{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"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":9.43976},{"date":"1100-01-01","value":38.1678},{"date":"1200-01-01","value":59.7735},{"date":"1300-01-01","value":85.5098},{"date":"1400-01-01","value":86.6595},{"date":"1500-01-01","value":147.907},{"date":"1600-01-01","value":176.82},{"date":"1700-01-01","value":219.506},{"date":"1710-01-01","value":227.666},{"date":"1720-01-01","value":233.596},{"date":"1730-01-01","value":237.28},{"date":"1740-01-01","value":238.699},{"date":"1750-01-01","value":237.833},{"date":"1760-01-01","value":252.732},{"date":"1770-01-01","value":267.603},{"date":"1780-01-01","value":282.449},{"date":"1790-01-01","value":297.274},{"date":"1800-01-01","value":312.078},{"date":"1810-01-01","value":398.662},{"date":"1820-01-01","value":492.416},{"date":"1830-01-01","value":616.777},{"date":"1840-01-01","value":705.583},{"date":"1850-01-01","value":846.069},{"date":"1860-01-01","value":1004.35},{"date":"1870-01-01","value":1172.7},{"date":"1880-01-01","value":1412.11},{"date":"1890-01-01","value":1681.71},{"date":"1900-01-01","value":1998.41},{"date":"1910-01-01","value":2376.95},{"date":"1920-01-01","value":2553.36},{"date":"1930-01-01","value":2945.65},{"date":"1940-01-01","value":3220.77},{"date":"1950-01-01","value":3529.43},{"date":"1951-01-01","value":3548.97},{"date":"1952-01-01","value":3572.04},{"date":"1953-01-01","value":3597.61},{"date":"1954-01-01","value":3624.81},{"date":"1955-01-01","value":3653.02},{"date":"1956-01-01","value":3681.82},{"date":"1957-01-01","value":3711.03},{"date":"1958-01-01","value":3740.59},{"date":"1959-01-01","value":3770.75},{"date":"1960-01-01","value":3801.54},{"date":"1961-01-01","value":3832.94},{"date":"1962-01-01","value":3865.97},{"date":"1963-01-01","value":3899.31},{"date":"1964-01-01","value":3931.8},{"date":"1965-01-01","value":3961.41},{"date":"1966-01-01","value":3988.19},{"date":"1967-01-01","value":4012.28},{"date":"1968-01-01","value":4034.4},{"date":"1969-01-01","value":4055.67},{"date":"1970-01-01","value":4076.89},{"date":"1971-01-01","value":4098.3},{"date":"1972-01-01","value":4119.34},{"date":"1973-01-01","value":4140.06},{"date":"1974-01-01","value":4158.99},{"date":"1975-01-01","value":4175.5},{"date":"1976-01-01","value":4190.69},{"date":"1977-01-01","value":4207.55},{"date":"1978-01-01","value":4222.36},{"date":"1979-01-01","value":4235.04},{"date":"1980-01-01","value":4245.8},{"date":"1981-01-01","value":4253.38},{"date":"1982-01-01","value":4257.21},{"date":"1983-01-01","value":4260.87},{"date":"1984-01-01","value":4266.17},{"date":"1985-01-01","value":4274.33},{"date":"1986-01-01","value":4285.92},{"date":"1987-01-01","value":4300.63},{"date":"1988-01-01","value":4317.68},{"date":"1989-01-01","value":4336.05},{"date":"1990-01-01","value":4354.76},{"date":"1991-01-01","value":4373.93},{"date":"1992-01-01","value":4393.59},{"date":"1993-01-01","value":4413.15},{"date":"1994-01-01","value":4431.73},{"date":"1995-01-01","value":4448.87},{"date":"1996-01-01","value":4464.06},{"date":"1997-01-01","value":4477.74},{"date":"1998-01-01","value":4491.13},{"date":"1999-01-01","value":4505.86},{"date":"2000-01-01","value":4522.5},{"date":"2001-01-01","value":4546.19},{"date":"2002-01-01","value":4569.38},{"date":"2003-01-01","value":4593.86},{"date":"2004-01-01","value":4617.69},{"date":"2005-01-01","value":4641.56},{"date":"2006-01-01","value":4670.74},{"date":"2007-01-01","value":4699.95},{"date":"2008-01-01","value":4729.19},{"date":"2009-01-01","value":4758.47},{"date":"2010-01-01","value":4787.78},{"date":"2011-01-01","value":4817.33},{"date":"2012-01-01","value":4846.93},{"date":"2013-01-01","value":4876.07},{"date":"2014-01-01","value":4906.25},{"date":"2015-01-01","value":4935.97},{"date":"2016-01-01","value":4963.28},{"date":"2017-01-01","value":4990.63},{"date":"2018-01-01","value":5018.02},{"date":"2019-01-01","value":5045.45},{"date":"2020-01-01","value":5072.91},{"date":"2021-01-01","value":5099.71},{"date":"2022-01-01","value":5126.55},{"date":"2023-01-01","value":5153.42},{"date":"2024-01-01","value":5180.33},{"date":"2025-01-01","value":5207.27}],"summary":{"latest_period":"2025-01-01","latest_value":5207.27,"max":5207.27,"mean":3294.49,"min":9.43976,"of":202,"rank":29,"trend":"volatile"}}