{"entity":{"iso2":"SN","iso3":"SEN","name":"Senegal","slug":"senegal"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"urban-area-long-term","source":"HYDE (2025) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/urban-area-long-term","title":"Urban area over the long-term","unit":"km\u00b2 per grid cell"},"observations":[{"date":"1000-01-01","value":0.000168325},{"date":"1100-01-01","value":0.000631219},{"date":"1200-01-01","value":0.00236707},{"date":"1300-01-01","value":0.00887652},{"date":"1400-01-01","value":0.033287},{"date":"1500-01-01","value":0.124826},{"date":"1600-01-01","value":0.468098},{"date":"1700-01-01","value":1.75537},{"date":"1710-01-01","value":2.04605},{"date":"1720-01-01","value":2.31576},{"date":"1730-01-01","value":2.61829},{"date":"1740-01-01","value":2.95744},{"date":"1750-01-01","value":3.33743},{"date":"1760-01-01","value":3.76299},{"date":"1770-01-01","value":4.23933},{"date":"1780-01-01","value":4.77226},{"date":"1790-01-01","value":5.36826},{"date":"1800-01-01","value":6.0345},{"date":"1810-01-01","value":6.77895},{"date":"1820-01-01","value":7.61046},{"date":"1830-01-01","value":8.53886},{"date":"1840-01-01","value":9.57508},{"date":"1850-01-01","value":10.7312},{"date":"1860-01-01","value":12.4778},{"date":"1870-01-01","value":14.7996},{"date":"1880-01-01","value":18.0827},{"date":"1890-01-01","value":21.6574},{"date":"1900-01-01","value":25.3991},{"date":"1910-01-01","value":29.5896},{"date":"1920-01-01","value":33.2163},{"date":"1930-01-01","value":37.8056},{"date":"1940-01-01","value":37.8056},{"date":"1950-01-01","value":37.8056},{"date":"1951-01-01","value":37.8056},{"date":"1952-01-01","value":37.8056},{"date":"1953-01-01","value":37.8056},{"date":"1954-01-01","value":38.5219},{"date":"1955-01-01","value":39.3985},{"date":"1956-01-01","value":40.3719},{"date":"1957-01-01","value":41.4378},{"date":"1958-01-01","value":42.5973},{"date":"1959-01-01","value":43.8453},{"date":"1960-01-01","value":45.1786},{"date":"1961-01-01","value":46.5968},{"date":"1962-01-01","value":48.1188},{"date":"1963-01-01","value":49.7709},{"date":"1964-01-01","value":51.5943},{"date":"1965-01-01","value":53.6117},{"date":"1966-01-01","value":55.8452},{"date":"1967-01-01","value":58.3044},{"date":"1968-01-01","value":60.9941},{"date":"1969-01-01","value":63.9103},{"date":"1970-01-01","value":67.0672},{"date":"1971-01-01","value":70.7914},{"date":"1972-01-01","value":74.906},{"date":"1973-01-01","value":79.3617},{"date":"1974-01-01","value":84.0957},{"date":"1975-01-01","value":89.0621},{"date":"1976-01-01","value":93.5609},{"date":"1977-01-01","value":97.2003},{"date":"1978-01-01","value":100.986},{"date":"1979-01-01","value":105.086},{"date":"1980-01-01","value":109.639},{"date":"1981-01-01","value":113.921},{"date":"1982-01-01","value":118.68},{"date":"1983-01-01","value":123.913},{"date":"1984-01-01","value":129.596},{"date":"1985-01-01","value":135.694},{"date":"1986-01-01","value":141.387},{"date":"1987-01-01","value":147.515},{"date":"1988-01-01","value":153.999},{"date":"1989-01-01","value":160.163},{"date":"1990-01-01","value":166.684},{"date":"1991-01-01","value":173.023},{"date":"1992-01-01","value":179.726},{"date":"1993-01-01","value":186.715},{"date":"1994-01-01","value":193.907},{"date":"1995-01-01","value":201.25},{"date":"1996-01-01","value":208.671},{"date":"1997-01-01","value":216.261},{"date":"1998-01-01","value":224.131},{"date":"1999-01-01","value":232.428},{"date":"2000-01-01","value":241.282},{"date":"2001-01-01","value":249.085},{"date":"2002-01-01","value":257.306},{"date":"2003-01-01","value":265.945},{"date":"2004-01-01","value":274.983},{"date":"2005-01-01","value":284.415},{"date":"2006-01-01","value":294.238},{"date":"2007-01-01","value":304.485},{"date":"2008-01-01","value":315.219},{"date":"2009-01-01","value":326.522},{"date":"2010-01-01","value":325.802},{"date":"2011-01-01","value":341.709},{"date":"2012-01-01","value":358.067},{"date":"2013-01-01","value":374.877},{"date":"2014-01-01","value":392.137},{"date":"2015-01-01","value":409.848},{"date":"2016-01-01","value":428.006},{"date":"2017-01-01","value":442.79},{"date":"2018-01-01","value":457.266},{"date":"2019-01-01","value":472.074},{"date":"2020-01-01","value":487.212},{"date":"2021-01-01","value":501.876},{"date":"2022-01-01","value":516.823},{"date":"2023-01-01","value":532.047},{"date":"2024-01-01","value":547.543},{"date":"2025-01-01","value":563.307}],"summary":{"latest_period":"2025-01-01","latest_value":563.307,"max":563.307,"mean":142.496,"min":0.000168325,"of":202,"rank":120,"trend":"volatile"}}