CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="fr" dir="ltr"> <head> <meta charset="UTF-8"> <title>Pyramide des âges — Wikipédia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )frwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","janvier","février","mars","avril","mai","juin","juillet","août","septembre","octobre","novembre","décembre"],"wgRequestId":"0ee58c16-9b97-44a6-91f3-de884f9e14bd","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Pyramide_des_âges","wgTitle":"Pyramide des âges","wgCurRevisionId":214758520,"wgRevisionId":214758520,"wgArticleId":411060,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Catégorie Commons avec lien local identique sur Wikidata","Portail:Démographie/Articles liés","Portail:Sciences humaines et sociales/Articles liés","Portail:Société/Articles liés","Démographie","Visualisation de données"],"wgPageViewLanguage":"fr","wgPageContentLanguage":"fr","wgPageContentModel":"wikitext","wgRelevantPageName":"Pyramide_des_âges","wgRelevantArticleId":411060,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable" :true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"fr","pageLanguageDir":"ltr","pageVariantFallbacks":"fr"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":5000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q329823","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled": false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ArchiveLinks","ext.gadget.Wdsearch","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming", "ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=fr&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=fr&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=fr&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="noindex,nofollow,max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Pyramide des âges — Wikipédia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//fr.m.wikipedia.org/wiki/Pyramide_des_%C3%A2ges"> <link rel="alternate" type="application/x-wiki" title="Modifier" href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipédia (fr)"> <link rel="EditURI" type="application/rsd+xml" href="//fr.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://fr.wikipedia.org/wiki/Pyramide_des_%C3%A2ges"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr"> <link rel="alternate" type="application/atom+xml" title="Flux Atom de Wikipédia" href="/w/index.php?title=Sp%C3%A9cial:Modifications_r%C3%A9centes&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Pyramide_des_âges rootpage-Pyramide_des_âges skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Aller au contenu</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menu principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menu principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">masquer</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_principal" title="Accueil général [z]" accesskey="z"><span>Accueil</span></a></li><li id="n-thema" class="mw-list-item"><a href="/wiki/Portail:Accueil"><span>Portails thématiques</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Page_au_hasard" title="Affiche un article au hasard [x]" accesskey="x"><span>Article au hasard</span></a></li><li id="n-contact" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Contact"><span>Contact</span></a></li> </ul> </div> </div> <div id="p-Contribuer" class="vector-menu mw-portlet mw-portlet-Contribuer" > <div class="vector-menu-heading"> Contribuer </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-aboutwp" class="mw-list-item"><a href="/wiki/Aide:D%C3%A9buter"><span>Débuter sur Wikipédia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Aide:Accueil" title="Accès à l’aide"><span>Aide</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_de_la_communaut%C3%A9" title="À propos du projet, ce que vous pouvez faire, où trouver les informations"><span>Communauté</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Modifications_r%C3%A9centes" title="Liste des modifications récentes sur le wiki [r]" accesskey="r"><span>Modifications récentes</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Wikip%C3%A9dia:Accueil_principal" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipédia" src="/static/images/mobile/copyright/wikipedia-wordmark-fr.svg" style="width: 7.4375em; height: 1.125em;"> <img class="mw-logo-tagline" alt="l'encyclopédie libre" src="/static/images/mobile/copyright/wikipedia-tagline-fr.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Sp%C3%A9cial:Recherche" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Rechercher sur Wikipédia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Rechercher</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Rechercher sur Wikipédia" aria-label="Rechercher sur Wikipédia" autocapitalize="sentences" title="Rechercher sur Wikipédia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Spécial:Recherche"> </div> <button class="cdx-button cdx-search-input__end-button">Rechercher</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Outils personnels"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Modifier l'apparence de la taille, de la largeur et de la couleur de la police de la page" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Apparence" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Apparence</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_fr.wikipedia.org&uselang=fr" class=""><span>Faire un don</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&returnto=Pyramide+des+%C3%A2ges&returntoquery=section%3D5%26veaction%3Dedit%26redirect%3Dno" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire." class=""><span>Créer un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Connexion&returnto=Pyramide+des+%C3%A2ges&returntoquery=section%3D5%26veaction%3Dedit%26redirect%3Dno" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o" class=""><span>Se connecter</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Plus d’options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Outils personnels" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Outils personnels</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu utilisateur" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_fr.wikipedia.org&uselang=fr"><span>Faire un don</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&returnto=Pyramide+des+%C3%A2ges&returntoquery=section%3D5%26veaction%3Dedit%26redirect%3Dno" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Créer un compte</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Connexion&returnto=Pyramide+des+%C3%A2ges&returntoquery=section%3D5%26veaction%3Dedit%26redirect%3Dno" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Se connecter</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages pour les contributeurs déconnectés <a href="/wiki/Aide:Premiers_pas" aria-label="En savoir plus sur la contribution"><span>en savoir plus</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_contributions" title="Une liste des modifications effectuées depuis cette adresse IP [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_discussions" title="La page de discussion pour les contributions depuis cette adresse IP [n]" accesskey="n"><span>Discussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Sommaire" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sommaire</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">masquer</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Début</div> </a> </li> <li id="toc-Description" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Description"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Description</span> </div> </a> <ul id="toc-Description-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Interprétation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Interprétation"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Interprétation</span> </div> </a> <ul id="toc-Interprétation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Types_de_profils" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Types_de_profils"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Types de profils</span> </div> </a> <ul id="toc-Types_de_profils-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lien_avec_la_fonction_de_survie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Lien_avec_la_fonction_de_survie"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Lien avec la fonction de survie</span> </div> </a> <ul id="toc-Lien_avec_la_fonction_de_survie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliographie" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliographie"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Bibliographie</span> </div> </a> <ul id="toc-Bibliographie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Notes et références</span> </div> </a> <button aria-controls="toc-Notes_et_références-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Notes et références</span> </button> <ul id="toc-Notes_et_références-sublist" class="vector-toc-list"> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Références" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Références"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Références</span> </div> </a> <ul id="toc-Références-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Voir_aussi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voir_aussi"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Voir aussi</span> </div> </a> <button aria-controls="toc-Voir_aussi-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Afficher / masquer la sous-section Voir aussi</span> </button> <ul id="toc-Voir_aussi-sublist" class="vector-toc-list"> <li id="toc-Liens_externes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Liens_externes"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Liens externes</span> </div> </a> <ul id="toc-Liens_externes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sommaire" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Basculer la table des matières" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Basculer la table des matières</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Pyramide des âges</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Aller à un article dans une autre langue. Disponible en 37 langues." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-37" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">37 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%87%D8%B1%D9%85_%D8%B3%D9%83%D8%A7%D9%86%D9%8A" title="هرم سكاني – arabe" lang="ar" hreflang="ar" data-title="هرم سكاني" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pir%C3%A0mide_de_poblaci%C3%B3" title="Piràmide de població – catalan" lang="ca" hreflang="ca" data-title="Piràmide de població" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/V%C4%9Bkov%C3%A1_pyramida" title="Věková pyramida – tchèque" lang="cs" hreflang="cs" data-title="Věková pyramida" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Befolkningspyramide" title="Befolkningspyramide – danois" lang="da" hreflang="da" data-title="Befolkningspyramide" data-language-autonym="Dansk" data-language-local-name="danois" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Altersstruktur" title="Altersstruktur – allemand" lang="de" hreflang="de" data-title="Altersstruktur" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%85%CF%81%CE%B1%CE%BC%CE%AF%CE%B4%CE%B1_%CE%B7%CE%BB%CE%B9%CE%BA%CE%B9%CF%8E%CE%BD" title="Πυραμίδα ηλικιών – grec" lang="el" hreflang="el" data-title="Πυραμίδα ηλικιών" data-language-autonym="Ελληνικά" data-language-local-name="grec" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Population_pyramid" title="Population pyramid – anglais" lang="en" hreflang="en" data-title="Population pyramid" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Lo%C4%9Dantarpiramido" title="Loĝantarpiramido – espéranto" lang="eo" hreflang="eo" data-title="Loĝantarpiramido" data-language-autonym="Esperanto" data-language-local-name="espéranto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Pir%C3%A1mide_de_poblaci%C3%B3n" title="Pirámide de población – espagnol" lang="es" hreflang="es" data-title="Pirámide de población" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Rahvastikup%C3%BCramiid" title="Rahvastikupüramiid – estonien" lang="et" hreflang="et" data-title="Rahvastikupüramiid" data-language-autonym="Eesti" data-language-local-name="estonien" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Biztanleria-piramide" title="Biztanleria-piramide – basque" lang="eu" hreflang="eu" data-title="Biztanleria-piramide" data-language-autonym="Euskara" data-language-local-name="basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%87%D8%B1%D9%85_%D8%AC%D9%85%D8%B9%DB%8C%D8%AA" title="هرم جمعیت – persan" lang="fa" hreflang="fa" data-title="هرم جمعیت" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/V%C3%A4est%C3%B6pyramidi" title="Väestöpyramidi – finnois" lang="fi" hreflang="fi" data-title="Väestöpyramidi" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Pir%C3%A1mide_de_poboaci%C3%B3n" title="Pirámide de poboación – galicien" lang="gl" hreflang="gl" data-title="Pirámide de poboación" data-language-autonym="Galego" data-language-local-name="galicien" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%99%D7%A8%D7%9E%D7%99%D7%93%D7%AA_%D7%92%D7%99%D7%9C%D7%99%D7%9D" title="פירמידת גילים – hébreu" lang="he" hreflang="he" data-title="פירמידת גילים" data-language-autonym="עברית" data-language-local-name="hébreu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A4%BF%E0%A4%B0%E0%A5%88%E0%A4%AE%E0%A4%BF%E0%A4%A1_%E0%A4%86%E0%A4%B0%E0%A5%87%E0%A4%96" title="पिरैमिड आरेख – hindi" lang="hi" hreflang="hi" data-title="पिरैमिड आरेख" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Piramida_penduduk" title="Piramida penduduk – indonésien" lang="id" hreflang="id" data-title="Piramida penduduk" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Piramide_delle_et%C3%A0" title="Piramide delle età – italien" lang="it" hreflang="it" data-title="Piramide delle età" data-language-autonym="Italiano" data-language-local-name="italien" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E4%BA%BA%E5%8F%A3%E3%83%94%E3%83%A9%E3%83%9F%E3%83%83%E3%83%89" title="人口ピラミッド – japonais" lang="ja" hreflang="ja" data-title="人口ピラミッド" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%96%D0%B0%D1%81-%D0%B6%D1%8B%D0%BD%D1%8B%D1%81%D1%82%D1%8B%D2%9B_%D0%BF%D0%B8%D1%80%D0%B0%D0%BC%D0%B8%D0%B4%D0%B0" title="Жас-жыныстық пирамида – kazakh" lang="kk" hreflang="kk" data-title="Жас-жыныстық пирамида" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9D%B8%EA%B5%AC_%ED%94%BC%EB%9D%BC%EB%AF%B8%EB%93%9C" title="인구 피라미드 – coréen" lang="ko" hreflang="ko" data-title="인구 피라미드" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A1%D1%82%D0%B0%D1%80%D0%BE%D1%81%D0%BD%D0%B0_%D0%BF%D0%B8%D1%80%D0%B0%D0%BC%D0%B8%D0%B4%D0%B0" title="Старосна пирамида – macédonien" lang="mk" hreflang="mk" data-title="Старосна пирамида" data-language-autonym="Македонски" data-language-local-name="macédonien" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Bevolkingspiramide" title="Bevolkingspiramide – néerlandais" lang="nl" hreflang="nl" data-title="Bevolkingspiramide" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Befolkningspyramide" title="Befolkningspyramide – norvégien bokmål" lang="nb" hreflang="nb" data-title="Befolkningspyramide" data-language-autonym="Norsk bokmål" data-language-local-name="norvégien bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Struktura_p%C5%82ci_i_wieku" title="Struktura płci i wieku – polonais" lang="pl" hreflang="pl" data-title="Struktura płci i wieku" data-language-autonym="Polski" data-language-local-name="polonais" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Pir%C3%A2mide_et%C3%A1ria" title="Pirâmide etária – portugais" lang="pt" hreflang="pt" data-title="Pirâmide etária" data-language-autonym="Português" data-language-local-name="portugais" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Piramida_popula%C8%9Biei" title="Piramida populației – roumain" lang="ro" hreflang="ro" data-title="Piramida populației" data-language-autonym="Română" data-language-local-name="roumain" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%92%D0%BE%D0%B7%D1%80%D0%B0%D1%81%D1%82%D0%BD%D0%BE-%D0%BF%D0%BE%D0%BB%D0%BE%D0%B2%D0%B0%D1%8F_%D0%BF%D0%B8%D1%80%D0%B0%D0%BC%D0%B8%D0%B4%D0%B0" title="Возрастно-половая пирамида – russe" lang="ru" hreflang="ru" data-title="Возрастно-половая пирамида" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Population_pyramid" title="Population pyramid – Simple English" lang="en-simple" hreflang="en-simple" data-title="Population pyramid" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Starostna_piramida" title="Starostna piramida – slovène" lang="sl" hreflang="sl" data-title="Starostna piramida" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Starosna_piramida" title="Starosna piramida – serbe" lang="sr" hreflang="sr" data-title="Starosna piramida" data-language-autonym="Српски / srpski" data-language-local-name="serbe" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Befolkningspyramid" title="Befolkningspyramid – suédois" lang="sv" hreflang="sv" data-title="Befolkningspyramid" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%9E%E0%B8%B5%E0%B8%A3%E0%B8%B0%E0%B8%A1%E0%B8%B4%E0%B8%94%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%8A%E0%B8%B2%E0%B8%81%E0%B8%A3" title="พีระมิดประชากร – thaï" lang="th" hreflang="th" data-title="พีระมิดประชากร" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ya%C5%9F_piramidi" title="Yaş piramidi – turc" lang="tr" hreflang="tr" data-title="Yaş piramidi" data-language-autonym="Türkçe" data-language-local-name="turc" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D1%96%D0%BA%D0%BE%D0%B2%D0%BE-%D1%81%D1%82%D0%B0%D1%82%D0%B5%D0%B2%D0%B0_%D0%BF%D1%96%D1%80%D0%B0%D0%BC%D1%96%D0%B4%D0%B0" title="Віково-статева піраміда – ukrainien" lang="uk" hreflang="uk" data-title="Віково-статева піраміда" data-language-autonym="Українська" data-language-local-name="ukrainien" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Th%C3%A1p_d%C3%A2n_s%E1%BB%91" title="Tháp dân số – vietnamien" lang="vi" hreflang="vi" data-title="Tháp dân số" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamien" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%BA%BA%E5%8F%A3%E9%87%91%E5%AD%97%E5%A1%94" title="人口金字塔 – chinois" lang="zh" hreflang="zh" data-title="人口金字塔" data-language-autonym="中文" data-language-local-name="chinois" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q329823#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaces de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Pyramide_des_%C3%A2ges" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:Pyramide_des_%C3%A2ges" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Modifier la variante de langue" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">français</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Affichages"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Pyramide_des_%C3%A2ges"><span>Lire</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=history" title="Historique des versions de cette page [h]" accesskey="h"><span>Voir l’historique</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Outils" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Outils</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Pyramide_des_%C3%A2ges"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/Pyramide_des_%C3%A2ges" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/Pyramide_des_%C3%A2ges" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_sp%C3%A9ciales" title="Liste de toutes les pages spéciales [q]" accesskey="q"><span>Pages spéciales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&oldid=214758520" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=Pyramide_des_%C3%A2ges&id=214758520&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&url=https%3A%2F%2Ffr.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DPyramide_des_%25C3%25A2ges%26section%3D5%26veaction%3Dedit"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&url=https%3A%2F%2Ffr.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DPyramide_des_%25C3%25A2ges%26section%3D5%26veaction%3Dedit"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=Pyramide+des+%C3%A2ges"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=Pyramide_des_%C3%A2ges&action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Population_pyramids" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q329823" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><div class="bandeau-container metadata homonymie hatnote"><div class="bandeau-cell bandeau-icone" style="display:table-cell;padding-right:0.5em"><span class="noviewer" typeof="mw:File"><a href="/wiki/Aide:Homonymie" title="Aide:Homonymie"><img alt="Page d’aide sur l’homonymie" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/20px-Logo_disambig.svg.png" decoding="async" width="20" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/30px-Logo_disambig.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Logo_disambig.svg/40px-Logo_disambig.svg.png 2x" data-file-width="512" data-file-height="375" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p>Pour les articles homonymes, voir <a href="/wiki/Pyramide_(homonymie)" class="mw-disambig" title="Pyramide (homonymie)">Pyramide (homonymie)</a>. </p> </div></div> <p>La <b>pyramide des âges</b> est un mode de <a href="/wiki/Repr%C3%A9sentation_graphique" title="Représentation graphique">représentation graphique</a> de la structure (sexe, âge) d'une population qui constitue une image synthétique du passé, du présent et du futur de celle-ci<sup id="cite_ref-Rollet200638_1-0" class="reference"><a href="#cite_note-Rollet200638-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>. Cette représentation dérivée de l'<a href="/wiki/Histogramme" title="Histogramme">histogramme</a> prend la forme générale d'un <a href="/wiki/Strobilo%C3%AFde" title="Strobiloïde">strobiloïde</a> (grosso modo, une toupie vue en coupe). Et peut avoir plusieurs formes différentes, en as de pique, trèfle et bien d'autres. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=1" title="Modifier la section : Description" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=1" title="Modifier le code source de la section : Description"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La pyramide des âges représente la répartition par sexe et âge de la population à un instant donné. Elle est constituée de deux histogrammes juxtaposés, un pour chaque sexe (par convention, les hommes à gauche et les femmes à droite), où les effectifs sont portés horizontalement et les âges verticalement. Les effectifs par sexe et âge dépendent des interactions passées de la fécondité, de la mortalité et des migrations, mais la forme de la pyramide et les variations de celle-ci avec les années sont avant tout tributaires des variations de la fécondité<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite_crochet">[</span>n 1<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Interprétation"><span id="Interpr.C3.A9tation"></span>Interprétation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=2" title="Modifier la section : Interprétation" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=2" title="Modifier le code source de la section : Interprétation"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La forme de la <a href="/wiki/Pyramide" title="Pyramide">pyramide</a> dépend de trois principaux facteurs : </p> <ul><li>la <a href="/wiki/F%C3%A9condit%C3%A9" title="Fécondité">fécondité</a> ;</li> <li>la <a href="/wiki/Taux_de_mortalit%C3%A9" title="Taux de mortalité">mortalité</a> (incluant <a href="/wiki/%C3%89pid%C3%A9mie" title="Épidémie">épidémies</a>, <a href="/wiki/Pand%C3%A9mie" title="Pandémie">pandémies</a> et <a href="/wiki/Guerre" title="Guerre">guerres</a>, qui laissent souvent des marques importantes dans ces pyramides) ;</li> <li>la <a href="/wiki/Migration_humaine" title="Migration humaine">migration</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Types_de_profils">Types de profils</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=3" title="Modifier la section : Types de profils" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=3" title="Modifier le code source de la section : Types de profils"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il existe différents profils des pyramides des âges : </p> <ul><li>le profil « champignon » : la base très étroite et le sommet large montrent une population vieillissante ;</li> <li>le profil « pyramidal », avec une base large et un sommet fin ;</li> <li>le profil « poire », avec une base qui commence par s'élargir avant de rétrécir vers la fin ;</li> <li>le profil « pagode », présentant des encoches et un rétrécissement à la base (à l'image d'une <a href="/wiki/Pagode" title="Pagode">pagode</a>), ce qui correspond à des périodes de natalité puis de mortalité importante successives ;</li> <li>le profil « sablier », avec une base large qui se rétrécit au milieu avant de s'élargir de nouveau vers le sommet ;</li> <li>le profil « ballon de rugby », avec une base étroite qui s'élargit au milieu avant de se rétrécir de nouveau vers le sommet ;</li> <li><abbr class="abbr" title="et cetera">etc.</abbr></li></ul> <table class="gallery" align="center" style="background:transparent;color:inherit;border:1px solid #f0f0f0;margin-top:0.5em"><tbody><tr><td colspan="10" style="text-align:center;font-weight:bold">Formes caractéristiques</td></tr><tr><td><table style="width:180px;float:left;border-collapse:collapse;margin:3px"><tbody><tr><td class="gallery-image" style="height:190px;border:1px solid #CCCCCC;background-color:var(--couleur-fond-boite-grise, #F8F8F8);color:inherit;padding:0px;text-align:center"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Fichier:PopulationPyramid_Angola.svg" class="mw-file-description" title="Profil « pyramidal »: Angola (2016). Haute natalité et haute mortalité."><img alt="Pyramide avec la base très large" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/PopulationPyramid_Angola.svg/160px-PopulationPyramid_Angola.svg.png" decoding="async" width="160" height="144" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/PopulationPyramid_Angola.svg/240px-PopulationPyramid_Angola.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/PopulationPyramid_Angola.svg/320px-PopulationPyramid_Angola.svg.png 2x" data-file-width="500" data-file-height="450" /></a><figcaption>Profil « pyramidal »: <a href="/wiki/Angola" title="Angola">Angola</a> (2016). Haute natalité et haute mortalité.</figcaption></figure></td></tr><tr style="vertical-align:top"><td style="display:block;font-size:1em;height:6.2em;padding:0px"><div class="gallerytext" style="height:6.1em;width:167px;line-height:1.3em;padding:9px 6px 1px 6px;overflow-y:auto;margin:0px;border:none;border-width:0px">Profil « pyramidal »: <a href="/wiki/Angola" title="Angola">Angola</a> (2016). Haute natalité et haute mortalité. </div></td></tr></tbody></table><table style="width:180px;float:left;border-collapse:collapse;margin:3px"><tbody><tr><td class="gallery-image" style="height:190px;border:1px solid #CCCCCC;background-color:var(--couleur-fond-boite-grise, #F8F8F8);color:inherit;padding:0px;text-align:center"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Fichier:PopulationPyramid_France.svg" class="mw-file-description" title="Profil « cloche »: France (2016). Population stabilisée."><img alt="Pyramide avec la base pareille à la zone centrale" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/PopulationPyramid_France.svg/160px-PopulationPyramid_France.svg.png" decoding="async" width="160" height="144" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/PopulationPyramid_France.svg/240px-PopulationPyramid_France.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/PopulationPyramid_France.svg/320px-PopulationPyramid_France.svg.png 2x" data-file-width="500" data-file-height="450" /></a><figcaption>Profil « cloche »: <a href="/wiki/France" title="France">France</a> (2016). Population stabilisée.</figcaption></figure></td></tr><tr style="vertical-align:top"><td style="display:block;font-size:1em;height:6.2em;padding:0px"><div class="gallerytext" style="height:6.1em;width:167px;line-height:1.3em;padding:9px 6px 1px 6px;overflow-y:auto;margin:0px;border:none;border-width:0px">Profil « cloche »: <a href="/wiki/France" title="France">France</a> (2016). Population stabilisée. </div></td></tr></tbody></table><table style="width:180px;float:left;border-collapse:collapse;margin:3px"><tbody><tr><td class="gallery-image" style="height:190px;border:1px solid #CCCCCC;background-color:var(--couleur-fond-boite-grise, #F8F8F8);color:inherit;padding:0px;text-align:center"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Fichier:PopulationPyramid_Spain.svg" class="mw-file-description" title="Profil « champignon »: Espagne (2016). Population vieillissante."><img alt="Pyramide amb base estreta i cente ample" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/PopulationPyramid_Spain.svg/160px-PopulationPyramid_Spain.svg.png" decoding="async" width="160" height="144" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/PopulationPyramid_Spain.svg/240px-PopulationPyramid_Spain.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/PopulationPyramid_Spain.svg/320px-PopulationPyramid_Spain.svg.png 2x" data-file-width="500" data-file-height="450" /></a><figcaption>Profil « champignon »: <a href="/wiki/Espagne" title="Espagne">Espagne</a> (2016). Population vieillissante.</figcaption></figure></td></tr><tr style="vertical-align:top"><td style="display:block;font-size:1em;height:6.2em;padding:0px"><div class="gallerytext" style="height:6.1em;width:167px;line-height:1.3em;padding:9px 6px 1px 6px;overflow-y:auto;margin:0px;border:none;border-width:0px">Profil « champignon »: <a href="/wiki/Espagne" title="Espagne">Espagne</a> (2016). Population vieillissante. </div></td></tr></tbody></table></td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Lien_avec_la_fonction_de_survie">Lien avec la fonction de survie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=4" title="Modifier la section : Lien avec la fonction de survie" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=4" title="Modifier le code source de la section : Lien avec la fonction de survie"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dans l'<a href="/wiki/Analyse_de_survie" title="Analyse de survie">analyse de survie</a>, on définit la <a href="/wiki/Loi_de_fiabilit%C3%A9" title="Loi de fiabilité">fonction de survie</a> R comme étant la proportion de la population encore en vie à un âge <i>t</i> donné. La courbe R (<i>t</i>) est la pyramide des âges tournée d'un quart de tour vers la droite. Cependant, dans ce contexte, on considère une population « à l'équilibre », c'est-à-dire n'ayant pas subi de vague de natalité ou de mortalité ; la fonction R (<i>t</i>) est <a href="/wiki/Fonction_monotone" title="Fonction monotone">uniformément décroissante</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Bibliographie">Bibliographie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=5" title="Modifier la section : Bibliographie" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=5" title="Modifier le code source de la section : Bibliographie"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="ouvrage" id="CaselliVallin2001"><span class="ouvrage" id="Graziella_CaselliJacques_Vallin2001">Graziella Caselli et Jacques Vallin, <cite class="italique">Démographie, analyse et synthèse : la dynamique des populations</cite>, <abbr class="abbr" title="tome">t.</abbr> 1, Paris, Institut National d'Études Démographiques, <time>2001</time><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=D%C3%A9mographie%2C+analyse+et+synth%C3%A8se&rft.place=Paris&rft.pub=Institut+National+d%27%C3%89tudes+D%C3%A9mographiques&rft.stitle=la+dynamique+des+populations&rft.aulast=Caselli&rft.aufirst=Graziella&rft.au=Jacques+Vallin&rft.date=2001&rfr_id=info%3Asid%2Ffr.wikipedia.org%3APyramide+des+%C3%A2ges"></span></span></span>.</li> <li><span class="ouvrage" id="GaniSimmat-Durand2001"><span class="ouvrage" id="Léon_GaniLaurence_Simmat-Durand2001">Léon Gani et Laurence Simmat-Durand, <cite class="italique">Démographie expliquée : Méthode d'analyse et étude de cas</cite>, Paris, Nathan Université, <time>2001</time><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=D%C3%A9mographie+expliqu%C3%A9e&rft.place=Paris&rft.pub=Nathan+Universit%C3%A9&rft.stitle=M%C3%A9thode+d%27analyse+et+%C3%A9tude+de+cas&rft.aulast=Gani&rft.aufirst=L%C3%A9on&rft.au=Laurence+Simmat-Durand&rft.date=2001&rfr_id=info%3Asid%2Ffr.wikipedia.org%3APyramide+des+%C3%A2ges"></span></span></span>.</li> <li><span class="ouvrage" id="Pressat1973"><span class="ouvrage" id="Roland_Pressat1973">Roland Pressat, <cite class="italique">L'analyse démographique</cite>, Paris, <a href="/wiki/Presses_universitaires_de_France" title="Presses universitaires de France">PUF</a>, <time>1973</time><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=L%27analyse+d%C3%A9mographique&rft.place=Paris&rft.pub=PUF&rft.aulast=Pressat&rft.aufirst=Roland&rft.date=1973&rfr_id=info%3Asid%2Ffr.wikipedia.org%3APyramide+des+%C3%A2ges"></span></span></span>.</li> <li><span class="ouvrage" id="Rollet2006"><span class="ouvrage" id="Catherine_Rollet2006">Catherine Rollet, <cite class="italique">Introduction à la démographie</cite>, Paris, <a href="/wiki/Armand_Colin" title="Armand Colin">Armand Colin</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>n 2<span class="cite_crochet">]</span></a></sup>, <time>2006</time><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Introduction+%C3%A0+la+d%C3%A9mographie&rft.place=Paris&rft.pub=Armand+Colin&rft.aulast=Rollet&rft.aufirst=Catherine&rft.date=2006&rfr_id=info%3Asid%2Ffr.wikipedia.org%3APyramide+des+%C3%A2ges"></span></span></span>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=6" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=6" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Notes">Notes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=7" title="Modifier la section : Notes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=7" title="Modifier le code source de la section : Notes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style="column-width:36em; column-count:2;"><ol class="references"> <li id="cite_note-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-2">↑</a> </span><span class="reference-text">Définition de l'Institut national de la statistique et des études économiques, INSEE.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text">Deuxième édition.</span> </li> </ol> </div> <div class="mw-heading mw-heading3"><h3 id="Références"><span id="R.C3.A9f.C3.A9rences"></span>Références</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=8" title="Modifier la section : Références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=8" title="Modifier le code source de la section : Références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Rollet200638-1"><span class="mw-cite-backlink noprint"><a href="#cite_ref-Rollet200638_1-0">↑</a> </span><span class="reference-text"><a href="#Rollet2006">Rollet 2006</a>, <abbr class="abbr" title="page(s)">p.</abbr> 38. </span> </li> </ol></div> </div> <div class="mw-heading mw-heading2"><h2 id="Voir_aussi">Voir aussi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=9" title="Modifier la section : Voir aussi" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=9" title="Modifier le code source de la section : Voir aussi"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r194021218">.mw-parser-output .autres-projets>.titre{text-align:center;margin:0.2em 0}.mw-parser-output .autres-projets>ul{margin:0;padding:0}.mw-parser-output .autres-projets>ul>li{list-style:none;margin:0.2em 0;text-indent:0;padding-left:24px;min-height:20px;text-align:left;display:block}.mw-parser-output .autres-projets>ul>li>a{font-style:italic}@media(max-width:720px){.mw-parser-output .autres-projets{float:none}}</style><div class="autres-projets boite-grise boite-a-droite noprint js-interprojets"> <p class="titre">Sur les autres projets Wikimedia :</p> <ul class="noarchive plainlinks"> <li class="commons"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Population_pyramids?uselang=fr">Pyramide des âges</a>, sur <span class="project">Wikimedia Commons</span></li> </ul> </div> <ul><li><a href="/wiki/Liste_des_pays_par_tranches_d%27%C3%A2ge" title="Liste des pays par tranches d'âge">Liste des pays par tranches d'âge</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Liens_externes">Liens externes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&veaction=edit&section=10" title="Modifier la section : Liens externes" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pyramide_des_%C3%A2ges&action=edit&section=10" title="Modifier le code source de la section : Liens externes"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="https://www.census.gov">Le <i>census bureau</i> américain</a>.</li> <li><a href="/wiki/Transition_d%C3%A9mographique" title="Transition démographique">Transition démographique</a></li> <li><a rel="nofollow" class="external text" href="http://www.ined.fr/fr/pop_chiffres/france/structure_population/pyramide_ages/">Pyramide des âges en France (INED)</a>.</li> <li><a rel="nofollow" class="external text" href="https://www.insee.fr/fr/statistiques/2418122">Pyramide des âges animée et interactive de la France Métropolitaine de 1901 à 2060 (INSEE)</a>. lien cassé</li> <li><a rel="nofollow" class="external text" href="http://www.visualinfoglobal.com/Fr/Poblacio/Piramides/">Pyramide des âges de tous les pays du monde</a>.</li> <li><a rel="nofollow" class="external text" href="http://zonezero.com/magazine/essays/diegotime/time.html">Illustration photographique du vieillissement des membres d'une famille</a>.</li></ul> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:D%C3%A9mographie" title="Portail de la démographie"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Circle-icons-piechart.svg/24px-Circle-icons-piechart.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/16/Circle-icons-piechart.svg/36px-Circle-icons-piechart.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/16/Circle-icons-piechart.svg/48px-Circle-icons-piechart.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:D%C3%A9mographie" title="Portail:Démographie">Portail de la démographie</a></span> </span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Ce document provient de « <a dir="ltr" href="https://fr.wikipedia.org/w/index.php?title=Pyramide_des_âges&oldid=214758520">https://fr.wikipedia.org/w/index.php?title=Pyramide_des_âges&oldid=214758520</a> ».</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Cat%C3%A9gorie:Accueil" title="Catégorie:Accueil">Catégories</a> : <ul><li><a href="/wiki/Cat%C3%A9gorie:D%C3%A9mographie" title="Catégorie:Démographie">Démographie</a></li><li><a href="/wiki/Cat%C3%A9gorie:Visualisation_de_donn%C3%A9es" title="Catégorie:Visualisation de données">Visualisation de données</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Catégories cachées : <ul><li><a href="/wiki/Cat%C3%A9gorie:Cat%C3%A9gorie_Commons_avec_lien_local_identique_sur_Wikidata" title="Catégorie:Catégorie Commons avec lien local identique sur Wikidata">Catégorie Commons avec lien local identique sur Wikidata</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:D%C3%A9mographie/Articles_li%C3%A9s" title="Catégorie:Portail:Démographie/Articles liés">Portail:Démographie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences_humaines_et_sociales/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences humaines et sociales/Articles liés">Portail:Sciences humaines et sociales/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Soci%C3%A9t%C3%A9/Articles_li%C3%A9s" title="Catégorie:Portail:Société/Articles liés">Portail:Société/Articles liés</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La dernière modification de cette page a été faite le 2 mai 2024 à 10:55.</li> <li id="footer-info-copyright"><span style="white-space: normal"><a href="/wiki/Wikip%C3%A9dia:Citation_et_r%C3%A9utilisation_du_contenu_de_Wikip%C3%A9dia" title="Wikipédia:Citation et réutilisation du contenu de Wikipédia">Droit d'auteur</a> : les textes sont disponibles sous <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">licence Creative Commons attribution, partage dans les mêmes conditions</a> ; d’autres conditions peuvent s’appliquer. Voyez les <a class="external text" href="https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use/fr">conditions d’utilisation</a> pour plus de détails, ainsi que les <a href="/wiki/Wikip%C3%A9dia:Cr%C3%A9dits_graphiques" title="Wikipédia:Crédits graphiques">crédits graphiques</a>. En cas de réutilisation des textes de cette page, voyez <a href="/wiki/Sp%C3%A9cial:Citer/Pyramide_des_%C3%A2ges" title="Spécial:Citer/Pyramide des âges">comment citer les auteurs et mentionner la licence</a>.<br /> Wikipedia® est une marque déposée de la <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, organisation de bienfaisance régie par le paragraphe <a href="/wiki/501c" title="501c">501(c)(3)</a> du code fiscal des États-Unis.</span><br /></li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy/fr">Politique de confidentialité</a></li> <li id="footer-places-about"><a href="/wiki/Wikip%C3%A9dia:%C3%80_propos_de_Wikip%C3%A9dia">À propos de Wikipédia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikip%C3%A9dia:Avertissements_g%C3%A9n%C3%A9raux">Avertissements</a></li> <li id="footer-places-contact"><a href="//fr.wikipedia.org/wiki/Wikipédia:Contact">Contact</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code de conduite</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Développeurs</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/fr.wikipedia.org">Statistiques</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Déclaration sur les témoins (cookies)</a></li> <li id="footer-places-mobileview"><a href="//fr.m.wikipedia.org/w/index.php?title=Pyramide_des_%C3%A2ges&section=5&veaction=edit&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Version mobile</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-688fc9465-pqvzg","wgBackendResponseTime":188,"wgPageParseReport":{"limitreport":{"cputime":"0.174","walltime":"0.246","ppvisitednodes":{"value":998,"limit":1000000},"postexpandincludesize":{"value":17293,"limit":2097152},"templateargumentsize":{"value":585,"limit":2097152},"expansiondepth":{"value":12,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":1923,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 214.304 1 -total"," 28.01% 60.030 4 Modèle:Ouvrage"," 18.00% 38.565 1 Modèle:Autres_projets"," 16.80% 36.009 1 Modèle:Portail"," 14.69% 31.482 1 Modèle:Voir_homonymes"," 13.83% 29.645 1 Modèle:Méta_bandeau_de_note"," 12.81% 27.447 1 Modèle:Méta_bandeau"," 12.56% 26.924 2 Modèle:Références"," 8.46% 18.120 1 Modèle:Référence_Harvard_sans_parenthèses"," 8.10% 17.350 1 Modèle:Suivi_des_biographies"]},"scribunto":{"limitreport-timeusage":{"value":"0.066","limit":"10.000"},"limitreport-memusage":{"value":4011956,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-vqclb","timestamp":"20241124183124","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Pyramide des \u00e2ges","url":"https:\/\/fr.wikipedia.org\/wiki\/Pyramide_des_%C3%A2ges","sameAs":"http:\/\/www.wikidata.org\/entity\/Q329823","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q329823","author":{"@type":"Organization","name":"Contributeurs aux projets Wikimedia"},"publisher":{"@type":"Organization","name":"Fondation Wikimedia, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2005-09-26T21:12:06Z","dateModified":"2024-05-02T09:55:42Z"}</script> </body> </html>