How Much Of The Earth's Land Is Farmable?

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Vast quantities of land are already being used for various types of agriculture. Other tracts are available for farming but currently unused. Still other land simply isn’t suitable for farming altogether."> <meta name="twitter:description" content="As the world’s population continues to grow, figuring out how much land is available to feed the ever-expanding population may become a vexing problem. Vast quantities of land are already being used for various types of agriculture. Other tracts are available for farming but currently unused. Still other land simply isn’t suitable for farming altogether."> <meta property="og:site_name" content="Sciencing" /> <meta name='description' content="" /> <meta property="mrf:tags" content="Content Type:Legacy Article;Pitcher:Unknown" /> <meta property="og:type" content="article"> <meta property="og:url" content="https://www.sciencing.com/much-earths-land-farmable-16685/"/> <meta property="article:published_time" content="2017-04-24T19:04:53-05:00" /> <meta property="article:modified_time" content="2022-03-24T12:48:27-05:00" /> <meta property="article:author" content="Amy Harris" /> <meta name="twitter:card" content="summary_large_image"> <meta name="twitter:image" content="https://www.sciencing.com/sciencing/much-earths-land-farmable-16685/200471793-001.jpg"> <link rel="shortcut icon" href="https://www.sciencing.com/img/sciencing-favicon.png"> <link rel="icon" href="https://www.sciencing.com/img/sciencing-favicon.png"> <link rel="canonical" href="https://www.sciencing.com/much-earths-land-farmable-16685/"/> <link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="https://www.sciencing.com/feed/" /> <script type="application/ld+json">{"@context":"http:\/\/schema.org","@type":"Article","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.sciencing.com\/much-earths-land-farmable-16685\/","url":"https:\/\/www.sciencing.com\/much-earths-land-farmable-16685\/","breadcrumb":{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/www.sciencing.com\/category\/news\/","name":"News"}}]}},"headline":"How Much Of The Earth's Land Is Farmable?","image":{"@type":"ImageObject","url":"https:\/\/www.sciencing.com\/sciencing\/much-earths-land-farmable-16685\/200471793-001.jpg"},"datePublished":"2017-04-24T19:04:53-05:00","dateModified":"2022-03-24T12:48:27-05:00","author":[{"@type":"Person","name":"Amy Harris","url":"https:\/\/www.sciencing.com\/author\/amy-harris"}],"publisher":{"@type":"Organization","name":"Sciencing","url":"https:\/\/www.sciencing.com\/","publishingPrinciples":"https:\/\/www.sciencing.com\/policies\/","logo":{"@type":"ImageObject","caption":"Sciencing Logo","url":"https:\/\/www.sciencing.com\/img\/sciencing-meta-image-1280x720.png","width":"1280","height":"720"},"description":"Sciencing offers informative articles, instructional guides, and cutting-edge answers to pressing questions about science, engineering, and mathematics.","sameAs":["https:\/\/flipboard.com\/@Sciencing"]},"description":"As the world&rsquo;s population continues to grow, figuring out how much land is available to feed the ever-expanding population may become a vexing problem. Vast quantities of land are already being used for various types of agriculture. Other tracts are available for farming but currently unused. Still other land simply isn&rsquo;t suitable for farming altogether."}</script> </head> <body> <div id="wrapper"> <div class="page-wrap"> <header id="header" class="infinite legacy "> <div class="nav-drop"> <div class="jcf-scrollable"> <div class="aside-holder"> <nav id="aside-nav"> <div class="nav-top"> <div class="logo"> <a href="/" class="logo-holder"> <img src="https://www.sciencing.com/img/sciencing-logo-RGB-negative.svg" alt="Sciencing" width="199" height="38"> </a> <a href="#" class="nav-opener close"></a> </div> </div> <ul class="main-nav"><li class="navlink navlink-science"><a href="/category/science/">Science</a><input type="checkbox" id="subnav-button-science"><label for="subnav-button-science"></label><ul class="main-nav"><li class="subnavlink navlink-astronomy"><a href="/category/astronomy/">Astronomy<li class="subnavlink navlink-biology"><a href="/category/biology/">Biology<li class="subnavlink navlink-chemistry"><a href="/category/chemistry/">Chemistry<li class="subnavlink navlink-geology"><a href="/category/geology/">Geology<li class="subnavlink navlink-nature"><a href="/category/nature/">Nature<li class="subnavlink navlink-physics"><a href="/category/physics/">Physics</ul></li><li class="navlink navlink-math"><a href="/category/math/">Math</a><input type="checkbox" id="subnav-button-math"><label for="subnav-button-math"></label><ul class="main-nav"><li class="subnavlink navlink-algebra"><a href="/category/algebra/">Algebra<li class="subnavlink navlink-geometry"><a href="/category/geometry/">Geometry</ul></li><li class="navlink navlink-technology"><a href="/category/technology/">Technology</a><input type="checkbox" id="subnav-button-technology"><label for="subnav-button-technology"></label><ul class="main-nav"><li class="subnavlink navlink-electronics"><a href="/category/electronics/">Electronics</ul></li><li class="navlink navlink-features"><a href="/category/features/">Features</a></li></ul> <ul class="social-buttons"> <li><a href="https://flipboard.com/@Sciencing" target="_blank" title="Flipboard" aria-label="Flipboard"><svg class="icon"><use xlink:href="#flipboard"></use></svg></a></li><li><a href="/feed/" target="_blank" title="RSS" aria-label="RSS"><svg class="icon"><use xlink:href="#rss"></use></svg></a></li> <li class="menu-btn newsletter-btn advertise-btn"><a href="https://static.com/advertise" target="_blank" title="Advertise" aria-label="Advertise"><svg class="icon"><use xlink:href="#advertise"></use></svg>Advertise</a></li> </ul> <ul class="info-links"> <li class="info-link"><a href="/about/">About</a></li> <li class="info-link"><a href="/policies/">Editorial Policies</a></li> <li class="info-link"> <a href="https://www.sciencing.com/privacy-policy/" target="_blank">Privacy Policy</a> </li> <li class="info-link"><a href="https://www.static.com/terms" target="_blank">Terms of Use</a></li> </ul> </nav> <div class="nav-bottom"> <span class="copyright-info">© 2025 <a href="https://www.static.com/" target="_blank">Static Media</a>. 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14.709 10.8278 14.1932V13.2478L12 13.593V1.40497ZM5.09306 14.5997C5.00434 14.4935 4.95039 14.3537 4.94986 14.1932V11.5168L9.72281 12.9219V14.1932C9.72227 14.3537 9.66885 14.4935 9.5796 14.5997C9.48985 14.7047 9.37052 14.7676 9.23409 14.7676H5.4391C5.30214 14.7676 5.18281 14.7047 5.09306 14.5997Z" /> <path d="M13 1.11045L17 -0.067627V15.0654L13 13.8875V1.11045Z" /> </g> <defs> <clipPath id="clip0_1911_5435"> <rect width="16" height="16" fill="white"/> </clipPath> </defs> </symbol> </svg> <ul class="social-buttons"> <li><a href="https://flipboard.com/@Sciencing" target="_blank" title="Flipboard" aria-label="Flipboard"><svg class="icon"><use xlink:href="#flipboard"></use></svg></a></li><li><a href="/feed/" target="_blank" title="RSS" aria-label="RSS"><svg class="icon"><use xlink:href="#rss"></use></svg></a></li> <li class="menu-btn advertise-btn"><a href="https://static.com/advertise" target="_blank" title="Advertise" aria-label="Advertise"><svg class="icon"><use xlink:href="#advertise"></use></svg>Advertise</a></li> </ul> </nav> <div id="top-nav-share" class="top-nav-scrolled"></div> </div> <div id="is-tablet"></div> <div id="is-mobile"></div> </header> <main id="main" role="main" class="infinite gallery legacy" data-post-type="articles"> <div class="holder"> <div id="content" class="article"> <article class="news-post"> <ul class="breadcrumbs"><li><a href="/category/news/">News</a></li></ul> <div class="news-article"> <h1 class="title-gallery" id="title-gallery" data-post-id="12963901" data-author="Amy Harris" data-category="news" data-content_type="Legacy Article" data-mod_date="2022-03-24" data-layout="Infinite" data-pub_date="2017-04-24" data-day="Monday" data-dayhour="Monday8PM" data-hour="8PM" data-num_slides="5" data-num_words="600">How Much Of The Earth's Land Is Farmable?</h1> </div> <div class="news-article"> <div class="byline-container"> <div class="byline-text-wrap author"> <span class="byline-by">By</span>聽 <span class="byline-author"><a href="/author/amy-harris/">Amy Harris</a></span> <span class="byline-timestamp">Updated <time datetime="2022-03-24T12:48:27-05:00">Mar 24, 2022</time></span> </div> </div> <div class="slide-key image-holder gallery-image-holder credit-image-wrap lead-image-holder" data-post-url="https://www.sciencing.com/much-earths-land-farmable-16685/" data-post-title="How Much Of The Earth's Land Is Farmable?" data-slide-num="" data-post-id="12963901"> <picture class="legacy-image" id="p5aa1a67e14c9ecb2ad45d4158385db38"> <img class="gallery-image" src="https://www.sciencing.com/sciencing/much-earths-land-farmable-16685/200471793-001.jpg" alt="Teenage girl (16-18) holding basket of vegetables, looking to side"> </picture> <span class="gallery-image-credit">Janie Airey/Photodisc/Getty Images</span> <style> #p5aa1a67e14c9ecb2ad45d4158385db38, #p5aa1a67e14c9ecb2ad45d4158385db38 img { aspect-ratio: 2294/1523; height: auto; } </style> </div> <div class="columns-holder "> <p></p> <p>As the world's population continues to grow, figuring out how much land is available to feed the ever-expanding population may become a vexing problem. Vast quantities of land are already being used for various types of agriculture. Other tracts are available for farming but currently unused. Still other land simply isn't suitable for farming altogether.</p> </div> </div> <div class="news-article"> <h2 class=""><span id="definition-differences" style="scroll-margin-top: 100px;">Definition Differences</span></h2> <div class="slide-key" data-post-url="" data-post-title="" data-slide-num="" data-post-id=""> </div> <div class="columns-holder "> <p></p> <p>The definition of what is considered "farmable" varies. Two commonly used descriptors are "arable land" and "agricultural land." Arable land is land temporarily used for crops, meadows, or pastures, which includes land purposefully left temporarily fallow. Land considered arable doesn't include land that is potentially cultivable, however. Agricultural land, or agricultural area, encompasses arable land, as well as land used for permanent, long-term crops that don't need to be replanted yearly, and also permanent meadowland and pastureland. Agricultural land includes fruit and nut trees, but excludes trees grown for timber, since the former is edible while the latter is not.</p> </div> </div> <div class="news-article"> <h2 class=""><span id="modern-usages" style="scroll-margin-top: 100px;">Modern Usages</span></h2> <div class="slide-key" data-post-url="" data-post-title="" data-slide-num="" data-post-id=""> </div> <div class="columns-holder "> <p></p> <p>At the time of this writing, the most recently available statistics pertain to 2010, at which point the World Bank reported that about 37.7 percent of the world's total land area was considered agricultural land, while approximately 10.6 percent was considered arable. A significant distinction can be drawn between how much of this land is used for crop production verses livestock production. Satellite images compiled by scientists at the University of Wisconsin-Madison show roughly 17.6 million square kilometers (6.8 million square miles) used to grow crops, with between 32 and 36 million square kilometers (12 and 14 million square miles) used to raise livestock. All told, this equates to a land area about three times the size of the South American continent.</p> </div> </div> <div class="news-article"> <h2 class=""><span id="variability-over-time" style="scroll-margin-top: 100px;">Variability Over Time</span></h2> <div class="slide-key" data-post-url="" data-post-title="" data-slide-num="" data-post-id=""> </div> <div class="columns-holder "> <p></p> <p>The amount of land being used for farming varies over time according to the needs of the population. For instance, in 1700, only seven percent of Earth's land was being used for agriculture. As the world's population has risen, the need for farmland has risen accordingly, and will continue to expand proportional to population growth. For instance, scientists estimate that during the 1990s and early 2000s, farmland increased by roughly 50,000 square kilometers (19,000 square miles) per year. Expansion of farmland, however, has a cost, as it encroaches on land formerly used or that could potentially be used for other purposes, such as forestry. Current estimates put the remaining amount of farmable land at about 27 million square kilometers (10.5 million square miles), most of which is concentrated in Africa and Central and South America.</p> </div> </div> <div class="news-article"> <h2 class=""><span id="contributing-factors" style="scroll-margin-top: 100px;">Contributing Factors</span></h2> <div class="slide-key" data-post-url="" data-post-title="" data-slide-num="" data-post-id=""> </div> <div class="columns-holder "> <p></p> <p>Certain factors influence the amount of farmable land, many of which are due to natural variation but some of which are attributable to human activity. A vast extent of land isn't farmable due to climate. For example, large swaths of northern Canada, Siberia and the entire continent of Antarctica are covered in ice or permafrost, and much of northern Africa and the Middle East consist of desert; both situations render agriculture impossible. Other natural factors inhibiting agriculture include soil composition, rockiness and altitude. Human activities have also limited the amount of farmable land, among them urban development and sprawl, pollution and landfills, deforestation, soil salinization, and human-influenced climate change, which may in the future lead to events such as desertification and sea level rise.</p> <div class="references"> <h3 class="references-heading">References</h3> <ul> <li><a href="https://data.worldbank.org/indicator/AG.LND.AGRI.ZS" target="_blank">The World Bank: Agricultural Land (% of Land Area)</a></li> <li><a href="http://www.fao.org/faostat/en/" target="_blank">Food and Agricultural Organization of the United Nations: Definitions</a></li> <li><a href="https://tradingeconomics.com/world/arable-land-percent-of-land-area-wb-data.html" target="_blank">Trading Economics: Arable Land (% of Land Area) in World</a></li> <li><a href="http://www.futuredirections.org.au/publication/the-future-prospects-for-global-arable-land/" target="_blank">Future Directions International: The Future Prospects for Global Arable Land</a></li> <li><a href="https://unstats.un.org/unsd/environment/session112landuse.pdf" target="_blank">United Nations Statistics Division: Statistics on Land Use, Hubert George</a></li> </ul> </div> </div> </div> <div class="news-article"><div class="columns-holder"><div class="citations highlight-box"> <h3>Cite This Article</h3> <h4>MLA</h4> <p class="citation citation-mla">Harris, Amy. "How Much Of The Earth's Land Is Farmable?" <em>sciencing.com</em>, https://www.sciencing.com/much-earths-land-farmable-16685/. 24 April 2017.</p> <h4>APA</h4> <p class="citation citation-apa">Harris, Amy. (2017, April 24). How Much Of The Earth's Land Is Farmable?. <em>sciencing.com</em>. Retrieved from https://www.sciencing.com/much-earths-land-farmable-16685/</p> <h4>Chicago</h4> <p class="citation citation-chicago">Harris, Amy. 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How Much Of The Earth's Land Is Farmable?