CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "www.oecd.org",cType: 'managed',cRay: '8e981dd04e8fce45',cH: '5lbvghokM1AbQTI_xjcr4kO0v7oifKiQP5yLzMRWqnM-1732773404-1.2.1.1-8fxWia26dTmtExQGTNHsBiOJN9Xgn33QbqPq8dpm57cAgtlSbFMAafDBTuXqHtlF',cUPMDTk: "\/en\/topics\/ageing.html?__cf_chl_tk=sQtJLKc6x3BISkX_HWO5iR1I1NPF6iQVBgXFZnB8ddk-1732773404-1.0.1.1-dgLxlFfCe._ENWJ5yuLPgepAP.sBR49NGWyZGl7UXBo",cFPWv: 'b',cITimeS: '1732773404',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/en\/topics\/ageing.html?__cf_chl_f_tk=sQtJLKc6x3BISkX_HWO5iR1I1NPF6iQVBgXFZnB8ddk-1732773404-1.0.1.1-dgLxlFfCe._ENWJ5yuLPgepAP.sBR49NGWyZGl7UXBo",md: "J_y2gSMW1ajoUj_O1bIsTkEJg5YfUqcl2e.1fxAUacA-1732773404-1.2.1.1-nYV01fTEWsAAGkEG.Ld7nt697kgAb7gLHlmiBscTQxnA0pQLoLljHqvrtVQaJPJQ9aP.vvUy_HDvSIovsH4nRnBRVqZ1WhAqhDQA5R6MeeJA.It51FxRPruu5L0pHo3X8gnneWGmwz4tyO6iF7L2.CiuLJd5aeal4sMLnUfdzGQGad6SBUow7FnmzikBFsFZgm.zFVL4_YLul2Wx8wPQVs5UwZ7YWgo22bSqCjTLRCGZiIalI1NfMTFDFMy78kE_98eTn_zEyIfjkQsxe2UN40kNQ9MwBiPZa9fkSn3jhsEZ4X_CRqL1C8LOtWU2YuiL8zRAX5tVG_Gbb6Bk4asZXwaQLX.zmTz8igc7LRVYMk4Jk7KwjYeOHj94DYdbNuw016.osGR347yOFggstwa7phMkwr4D56ztOtOhIwTBnrOoRl1gMeVaY3DgVWSL9g70VCcly5eYpQ4bWR9HyctstxFkqb6Imcw57DB14atVe_20_9lwyNFsRVDLXCEqsiyt9Vm0DsJ0ALYR00K5cT6paCx37TavnlSqteHcFtc7_c5LsOwSAfRD2Pyh38IuAG21aCOTQ2EzovXXXZTH32Dth_D4wk4YdRadsEtSEd_6PWmsCEH_0to2EzVCQrw0MAm4PYL0h2j5qOJXZ4RZxttxCxaaEwq7lRBezi3UJfQO7VynRS_sv2uj66yE7e9DoC_HZC9Eao3PnsCi69KFXhKKukbpQtPkw2DvBsAMfIapMu_L.X3QSgXEduVjeUT6S2f.9eGE9IPNf2w38GX561UlUum587r5i2z9ndqsMP_7fweikAyMxQQTX3.oHk18KNBWuEnV7wMLgCPEuTixmlsBb0ZLCG3pQEMkrtxm9EqGnYpttkl_N2nVnY2i4eduQ4mWKQtAQptVltePyIto1phVX_MRt2PeYz2E8Wi7Agi4mkhPqLdDoJA5gFUEzV7q5353pZyyVMDu25y.Lo3LLD6uYI0rB6K14Gp0ubrfOoBYOKouHdsL4lN1O6V8xmO0sWVgOYmRcwQtYajZP.oUC9msKKwRxtziCzcm6okwuqI03foILMvTJwxx2UljHs6NBQr3qeGM7MBF0Qm2cDYxbbFuWaHvxmZJEfP2nS8zFWSzgmiAdfqOh0v.U2Rjl3c4fFjMFcSAA6ha1U6TubBc_kuAr2tBxO8nPJWUg5zuwexSAyBQuCU0A_g1JHOljYcf8qA9Pu3Jw4fl6fIodnypmCb97WWVx7CF3A3a4lUNHPtQEZgNy10bSOnxYD190FrLdqajMs9jSp1L0muujoqWlrdTfbMaX985JQLsys8Xm7m652nX7EScHYCPeikbosK2b8J41jCu9Uw3BBk3t0DhNSyFEWjYsT.54Co160o_dqYText1e7phpRgrS6l8LD7mNHV4PN5ojf3jzpM.DBYG8K4QscDd82ZKzWD2iDVIUPqLMM0VApVO5M4fiSGAus8fYfq_JAQ8RCeNm1VPMI6BkVFO91gW5eeuVsjRJQ1PJoWOSP3SIe4vbgjMA0cnIp1MlrLteNCWegKz5Q.FfgRD6UQpXS8nN.eLF.EQA71pbVoBiwbSSb_76cphO6YO.jn2dnrShHbkyDXrnDk9vgbflHO3TdI7GZDbvjhtSZRJbsRnOdww1piaskPLuea15LB6AMKleqJDFxQikj8oaDW0lQoZ2yYt0l3Sy.TVaK9y2GhUH4MsvX1Xts.s2aOTiA.v5gbG7Je1xpQtUSFlRSwYL2Rok5Ckeac_HuFMKAMFanY9MkXXlR7cJO9x_FdRxaeOYLZ_y6kEj4KqzgsLV9cSMrJhHaGV4atl0.uOW5MHsSXhmv0N4w.gxqgaHpBkMs8rVJfImIRxFUYZf5llEEr3hOkyCRaMtGw6nzfjLprQcsN_g8GQ2RXjZwZZ9fufx.e6Rmnf9M5CNIpsL8E8hZFvHylPPejrXC4H8RDdL4uHmCbUP9UiDwhJGvArHzYoZis37krgJ.xRtvwZYuDp5SIM.nvB_c_DulLNsWg3xZ6Yd6Mx4I30sIObEfE4_Kk.a_Y.m3zolEi8SFqxCssY2AOL9xAYtXfZg0wchn8ikdWPgZhUg9c3U8Fm5rdIZeoLcnKM0qacMUWNwF603iGoWPhL5LOIq5gdmUbgtsaWeaEZjVYismvg4ZABWXk8BcqjF7Twgv_Wl_BWTN_1945x7If8IhIoJSFWgXGa_mXoJdHLqiVGjlVeUHDO7hMAMB5.bxpndXIvhMaUxMQPpo6fg44CoMc_Xehcl1GufcauP0r6a3fRg.DMBp2BQ1hrj6rV5xbSwG3VrjPVKn3DKUjFoVkBymk8rbjs45rtrC_56hmwsMHtmKSizq6PEzv84mARUp.PAU6gjga_5BoBuzdA9EAxvs4jDrPunhGhgHJJsipF89aa2L7uwuKwHhOw5H7w3VWfYKidrFqmnWOT2JbPbfcSSLqW1JAeyNE_X3GNGSb23kM5lLMQWbe29ETJ0WATkyyDCQbiwvNrJamfbhmRQcM.nfqUhwj1ouifJlS0lN3pyVai1694dKd1X4893LQmSadZ2AyYWqJrpMhjroGD523R.QmGQRHITWFZxzsCyxpe_TKJ3uBbMOustoCMcBCAElWJW_JgS4Vv8c7PLQ0PQzSmJkysw71XV82drcVrGxvZ2vGMX3Hvg7Vu.rzfqFouLa1nLAwPmNFY2dVeJpsnfpkct7kS6TMK3zzj_._ESDLzJydmSp70Au6DbN0yqDekPWgTykc1EMmM4m5D1IK1W3OElEGbHctueq9D5i06o6lfnQY3ztZB6n3rZdd_a1HIfiSWeexiyMdURreyF7vNgjUf5IgCIjc3gqyB9LAhLzOhXUL016x3KVkxSHfa8OJlmZGw6RYGGu0KvhMKDaZQIFSlnXFSJiomPNcdPjg47kFDPVDEcX5c1FQ3A9KqJI5yNQlgt8Rt",mdrd: "phnYq_fDPwSk10dLnUdld1cQjwBIRBTYWEy00MLvrEE-1732773404-1.2.1.1-iMpL2BxW7.vicJ4aIjyRfR2aZGKR0.CZvrLPYn0n5_97yyQpU1iknxVq3ImibQPuOYmBD1fKWJnpGM4fOTVBaWJwFhLhnDytY3bgF8kj6lM0IwRbkZ1jDtrojtxmx4sZnebcVsN6_61AXAjlKop0MoAnFVGzkPTcFbOcHYYNMvUn_OLmOick6X3vHm.jhTkyqWtxdOhpYyjSQLSkzvj2i127bTmyRG77PKJZag1TgDvD7u2RfhRnbYWHunW369HbXHKBAdeHv54bv6uRFji0rj25P8gQGkloxSVNbb7Wal0scztcxAHNj6ad2A8zP712fXmBTvRV9x4KW2Q.A9fLcsPv9FHpfNg.82OPjMy6r79Lyt3KkhMuajeOjpJF7ujR.Nd5ggvCNdkR6xxRKxu80C2rLLZITJuWnxOpLTH6Bd0dV02CXo7Z677O.7M_J.qKPy.2UV.bkszKEC8H1NMCF8n9Qq5skzVplUWCwaoMR0WQgpfogXcCHiQ02ExN8uVfLhrKWAu0jWf2P_gDqWPBdhzkcdS.f9Oh4E6KbOZvZPwnlaV.kNx_gHLmUofzEe0gz.aCAQhykJID1IZl2tYlyywo7h1I5VRx1c.i7SHpd.Wk49bKYiwekdY1XojdrSwEQf_zkx.gGj1BDFxiJoiw5YVM2JHinxa_rhSJRJnEBnQHpu.RV.teNAph5ryXmIskZ6_.3ENtvzPxYXdlmjjwrOsjlyR_fJM9oZS7BRGHSFJH39oYlnPsLc7xvnxDDtJicj_cQa3VEPUdUl40COSbrnEKL_CmnedMY.uBwwr5ez96DlWhGH_v55.yZMu2BfjgyrV4KZmtENHJwRZT_Aa81esgd3CGOmlvt6HhkZkkriGKETlqoWbvAOsmKUDd23FsBGZO5PnN0MtSDFMfYIrcjhz_uc_nGH0o7Idx8aoWSyYp_K0dAqJmdOluSEP4OdpLykJumsyFeq3IpHp79NvJCtdeyyH5gqkOBYDfbSBM.17fa3XxGrlTw1hGriaIPGMx5QSTnQqdhYNNRVi0zWOMkk2INViwdCdM0_R9lw.xB9onPz6n35fdcLuliOGabo1LhJqNmI8Md5SQdjiRvn.D4esGN0NmczrXyfspt8HeDMCCtIwGvWFnUlq_MKnhTQLJHuEY7wF5JfO3yU_oWXwYlQNxcvghc7zOL2SQom1UAmrkQFV5pf20wnfeB_oyNRUVV7i.klFPf6JcUuLC2QlPuokuGvMt4Kj7oTgna.8avLUrk8tzWHQAT3l.7Ey7VkVGcyox_F.RYQ9M68QeLLRfMMI9ceE1u_c5xpWSDQRWA_BfeEYZSzYdVra4LVC_VabVGxNBz5bTiTPetScfpf6A33gwDIoOH0PvLYJtMcJkg.RIYSsQgZU50ylP7qP6h0.cseWKKeg142evs4_wkmmgXHAqj2bAsj5m5iZUeWqMST2vyMeCy7jzVfIspsDN37yfWm11H5KaBbzQndYuvlkTww9Lx_Bu3PlYpczthSqxrwVaICw_dd6TGbTkqFwyf6lM8SiZJWA5CrW6l_pCCF0zwzhvb8U_USFRucqdJfZMjLvHFLig1pZbK201RuopjrlEDu2.BdhJqcM5uu0ZgNVsPv01IJuPv2HoSTmb_U3zrtTOLSD0fxvXdTz5lb5DCrffLGJ7H8dJKUQyJ2Vx9w04NgjRW1xV2u1wEsXbS_yfzk0wJAQobScp4.RGjPyrxuxcZVXiYZTTSv9ovcZc6Ir75oKbdmKRj0cwxvyWgoK7r_k8qly2o47qMONGV.BZ.Hs0jAFSzjfNOffPGuV8IhK0AiNks4a8rJDhOykbAvf.5ybC3OR5u2DeKEpVLRM9KujeIqP69paVrZGi7YglmHqbJ_feOTeipvwE2zMpwELGCF68DpUowNU1rOGQCMmx7p5wnGhb20.XzmgxI9v7AYBrv6rPsoO2PizelhWTvNYYSyd06En7VJkKaqXYLJAzwKYN"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8e981dd04e8fce45';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/en\/topics\/ageing.html?__cf_chl_rt_tk=sQtJLKc6x3BISkX_HWO5iR1I1NPF6iQVBgXFZnB8ddk-1732773404-1.0.1.1-dgLxlFfCe._ENWJ5yuLPgepAP.sBR49NGWyZGl7UXBo" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>