{
  "source": "https://data.theurban.world/data-r2025/city_populations_grid_1km_history.json",
  "projection_source": "https://data.theurban.world/data-r2025/city_populations_grid_1km_projection.json",
  "extracted": "2026-09-22",
  "city_index_source": "https://data.theurban.world/data-r2025/cities_index.json",
  "dataset": "GHS-WUP R2025A (GHS-WUP-POP, GHS-WUP-MTUC V1.1), native 1 km grid",
  "definition": "Urban centre; each epoch uses its own footprint. Population and cell area from the native 1 km grid export; density = population / area. 1975-2020 observed, 2025 current, 2030-2100 CRISP projections (populations after 2025 rounded to 3 significant figures, as in the export).",
  "cities": {
    "shanghai": {
      "id": "11738",
      "name": "Shanghai",
      "country": "China",
      "epochs": {
        "1975": {
          "population": 4542787,
          "area_km2": 706.0,
          "density_per_km2": 6434.5
        },
        "1980": {
          "population": 4922471,
          "area_km2": 813.0,
          "density_per_km2": 6054.7
        },
        "1985": {
          "population": 6276781,
          "area_km2": 1045.0,
          "density_per_km2": 6006.5
        },
        "1990": {
          "population": 7783199,
          "area_km2": 1207.0,
          "density_per_km2": 6448.4
        },
        "1995": {
          "population": 10567164,
          "area_km2": 1625.0,
          "density_per_km2": 6502.9
        },
        "2000": {
          "population": 14034558,
          "area_km2": 1972.0,
          "density_per_km2": 7116.9
        },
        "2005": {
          "population": 17111107,
          "area_km2": 2357.0,
          "density_per_km2": 7259.7
        },
        "2010": {
          "population": 20525275,
          "area_km2": 2623.0,
          "density_per_km2": 7825.1
        },
        "2015": {
          "population": 23830644,
          "area_km2": 2821.0,
          "density_per_km2": 8447.6
        },
        "2020": {
          "population": 27654481,
          "area_km2": 2945.0,
          "density_per_km2": 9390.3
        },
        "2025": {
          "population": 29558908,
          "area_km2": 3130.0,
          "density_per_km2": 9443.7
        },
        "2030": {
          "population": 31300000,
          "area_km2": 3264.0,
          "density_per_km2": 9589.5
        },
        "2035": {
          "population": 32600000,
          "area_km2": 3349.0,
          "density_per_km2": 9734.2
        },
        "2040": {
          "population": 33800000,
          "area_km2": 3451.0,
          "density_per_km2": 9794.3
        },
        "2045": {
          "population": 34400000,
          "area_km2": 3463.0,
          "density_per_km2": 9933.6
        },
        "2050": {
          "population": 34900000,
          "area_km2": 3495.0,
          "density_per_km2": 9985.7
        },
        "2055": {
          "population": 34800000,
          "area_km2": 3494.0,
          "density_per_km2": 9959.9
        },
        "2060": {
          "population": 34400000,
          "area_km2": 3494.0,
          "density_per_km2": 9845.4
        },
        "2065": {
          "population": 33600000,
          "area_km2": 3489.0,
          "density_per_km2": 9630.3
        },
        "2070": {
          "population": 32900000,
          "area_km2": 3484.0,
          "density_per_km2": 9443.2
        },
        "2075": {
          "population": 31800000,
          "area_km2": 3466.0,
          "density_per_km2": 9174.8
        },
        "2080": {
          "population": 30700000,
          "area_km2": 3452.0,
          "density_per_km2": 8893.4
        },
        "2085": {
          "population": 29200000,
          "area_km2": 3442.0,
          "density_per_km2": 8483.4
        },
        "2090": {
          "population": 27700000,
          "area_km2": 3335.0,
          "density_per_km2": 8305.8
        },
        "2095": {
          "population": 26100000,
          "area_km2": 3288.0,
          "density_per_km2": 7938.0
        },
        "2100": {
          "population": 24700000,
          "area_km2": 3237.0,
          "density_per_km2": 7630.5
        }
      }
    },
    "lagos": {
      "id": "1265",
      "name": "Lagos",
      "country": "Nigeria",
      "epochs": {
        "1975": {
          "population": 2612450,
          "area_km2": 603.0,
          "density_per_km2": 4332.4
        },
        "1980": {
          "population": 3414699,
          "area_km2": 672.0,
          "density_per_km2": 5081.4
        },
        "1985": {
          "population": 4486575,
          "area_km2": 750.0,
          "density_per_km2": 5982.1
        },
        "1990": {
          "population": 5762980,
          "area_km2": 802.0,
          "density_per_km2": 7185.8
        },
        "1995": {
          "population": 6887200,
          "area_km2": 833.0,
          "density_per_km2": 8267.9
        },
        "2000": {
          "population": 7908961,
          "area_km2": 869.0,
          "density_per_km2": 9101.2
        },
        "2005": {
          "population": 9007119,
          "area_km2": 942.0,
          "density_per_km2": 9561.7
        },
        "2010": {
          "population": 10133104,
          "area_km2": 1101.0,
          "density_per_km2": 9203.5
        },
        "2015": {
          "population": 11091934,
          "area_km2": 1142.0,
          "density_per_km2": 9712.7
        },
        "2020": {
          "population": 12012080,
          "area_km2": 1169.0,
          "density_per_km2": 10275.5
        },
        "2025": {
          "population": 12791699,
          "area_km2": 1231.0,
          "density_per_km2": 10391.3
        },
        "2030": {
          "population": 13600000,
          "area_km2": 1266.0,
          "density_per_km2": 10742.5
        },
        "2035": {
          "population": 14300000,
          "area_km2": 1295.0,
          "density_per_km2": 11042.5
        },
        "2040": {
          "population": 15000000,
          "area_km2": 1310.0,
          "density_per_km2": 11450.4
        },
        "2045": {
          "population": 15600000,
          "area_km2": 1361.0,
          "density_per_km2": 11462.2
        },
        "2050": {
          "population": 16200000,
          "area_km2": 1403.0,
          "density_per_km2": 11546.7
        },
        "2055": {
          "population": 16600000,
          "area_km2": 1429.0,
          "density_per_km2": 11616.5
        },
        "2060": {
          "population": 17000000,
          "area_km2": 1518.0,
          "density_per_km2": 11198.9
        },
        "2065": {
          "population": 17400000,
          "area_km2": 1537.0,
          "density_per_km2": 11320.8
        },
        "2070": {
          "population": 17600000,
          "area_km2": 1567.0,
          "density_per_km2": 11231.7
        },
        "2075": {
          "population": 17800000,
          "area_km2": 1579.0,
          "density_per_km2": 11273.0
        },
        "2080": {
          "population": 18000000,
          "area_km2": 1614.0,
          "density_per_km2": 11152.4
        },
        "2085": {
          "population": 18100000,
          "area_km2": 1622.0,
          "density_per_km2": 11159.1
        },
        "2090": {
          "population": 18000000,
          "area_km2": 1626.0,
          "density_per_km2": 11070.1
        },
        "2095": {
          "population": 18000000,
          "area_km2": 1629.0,
          "density_per_km2": 11049.7
        },
        "2100": {
          "population": 17900000,
          "area_km2": 1631.0,
          "density_per_km2": 10974.9
        }
      }
    },
    "paris": {
      "id": "2994",
      "name": "Paris",
      "country": "France",
      "epochs": {
        "1975": {
          "population": 7423859,
          "area_km2": 1265.0,
          "density_per_km2": 5868.7
        },
        "1980": {
          "population": 7492841,
          "area_km2": 1271.0,
          "density_per_km2": 5895.2
        },
        "1985": {
          "population": 7737189,
          "area_km2": 1291.0,
          "density_per_km2": 5993.2
        },
        "1990": {
          "population": 8058139,
          "area_km2": 1299.0,
          "density_per_km2": 6203.3
        },
        "1995": {
          "population": 8223842,
          "area_km2": 1309.0,
          "density_per_km2": 6282.5
        },
        "2000": {
          "population": 8385156,
          "area_km2": 1310.0,
          "density_per_km2": 6400.9
        },
        "2005": {
          "population": 8759570,
          "area_km2": 1352.0,
          "density_per_km2": 6479.0
        },
        "2010": {
          "population": 9032030,
          "area_km2": 1361.0,
          "density_per_km2": 6636.3
        },
        "2015": {
          "population": 9271626,
          "area_km2": 1376.0,
          "density_per_km2": 6738.1
        },
        "2020": {
          "population": 9346461,
          "area_km2": 1379.0,
          "density_per_km2": 6777.7
        },
        "2025": {
          "population": 9381921,
          "area_km2": 1381.0,
          "density_per_km2": 6793.6
        },
        "2030": {
          "population": 9380000,
          "area_km2": 1381.0,
          "density_per_km2": 6792.2
        },
        "2035": {
          "population": 9380000,
          "area_km2": 1381.0,
          "density_per_km2": 6792.2
        },
        "2040": {
          "population": 9370000,
          "area_km2": 1382.0,
          "density_per_km2": 6780.0
        },
        "2045": {
          "population": 9360000,
          "area_km2": 1382.0,
          "density_per_km2": 6772.8
        },
        "2050": {
          "population": 9330000,
          "area_km2": 1382.0,
          "density_per_km2": 6751.1
        },
        "2055": {
          "population": 9290000,
          "area_km2": 1382.0,
          "density_per_km2": 6722.1
        },
        "2060": {
          "population": 9240000,
          "area_km2": 1382.0,
          "density_per_km2": 6686.0
        },
        "2065": {
          "population": 9190000,
          "area_km2": 1382.0,
          "density_per_km2": 6649.8
        },
        "2070": {
          "population": 9170000,
          "area_km2": 1382.0,
          "density_per_km2": 6635.3
        },
        "2075": {
          "population": 9180000,
          "area_km2": 1392.0,
          "density_per_km2": 6594.8
        },
        "2080": {
          "population": 9170000,
          "area_km2": 1392.0,
          "density_per_km2": 6587.6
        },
        "2085": {
          "population": 9170000,
          "area_km2": 1392.0,
          "density_per_km2": 6587.6
        },
        "2090": {
          "population": 9170000,
          "area_km2": 1392.0,
          "density_per_km2": 6587.6
        },
        "2095": {
          "population": 9170000,
          "area_km2": 1397.0,
          "density_per_km2": 6564.1
        },
        "2100": {
          "population": 9150000,
          "area_km2": 1397.0,
          "density_per_km2": 6549.7
        }
      }
    }
  }
}