{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "13",
    "slug": "tokyo",
    "name": "東京都",
    "region": "関東",
    "center": {
      "lat": 35.68944,
      "lng": 139.69167,
      "zoom": 8
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 46000000,
      "average": 89975649,
      "count": 32802,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 406500,
      "average": 564636,
      "count": 3326,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 14047594,
      "year": 2020,
      "changeRate5y": null,
      "unit": "人",
      "sourceId": "estat-population",
      "missingReason": "2020年国勢調査の都道府県別総人口を掲載。5年増減率は同一表内で算出できる過去年が未確認のため未掲載です。"
    },
    "hazardRisk": {
      "score": null,
      "level": "要地域確認",
      "summary": "東京都の災害リスクは住所、地形、自治体ハザードマップで判定が変わります。Phase 1では国土数値情報の公式入口を確認し、重い災害GeoJSONの全面同梱は行っていません。",
      "sourceId": "ksj-hazard",
      "missingReason": "国土数値情報の災害データは住所単位の確認が必要なため、県別の単一スコアには集約していません。",
      "indicators": [
        {
          "label": "住所単位確認",
          "value": "自治体ハザードマップ必須",
          "sourceId": "ksj-hazard"
        },
        {
          "label": "Phase 1方針",
          "value": "巨大GeoJSON同梱なし",
          "sourceId": "ksj-hazard"
        }
      ]
    }
  },
  "landPrice": {
    "municipalityRanking": [
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "median": 4065000,
        "average": 3629286,
        "count": 14,
        "lat": 35.689096,
        "lng": 139.741377
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "median": 2745000,
        "average": 3011333,
        "count": 60,
        "lat": 35.651638,
        "lng": 139.732432
      },
      {
        "municipalityCode": "13102",
        "municipality": "中央区",
        "median": 1910000,
        "average": 1926667,
        "count": 18,
        "lat": 35.664896,
        "lng": 139.782119
      },
      {
        "municipalityCode": "13113",
        "municipality": "渋谷区",
        "median": 1770000,
        "average": 1872280,
        "count": 50,
        "lat": 35.663896,
        "lng": 139.699133
      },
      {
        "municipalityCode": "13105",
        "municipality": "文京区",
        "median": 1365000,
        "average": 1445674,
        "count": 46,
        "lat": 35.719716,
        "lng": 139.747112
      },
      {
        "municipalityCode": "13110",
        "municipality": "目黒区",
        "median": 1240000,
        "average": 1402641,
        "count": 64,
        "lat": 35.631265,
        "lng": 139.68988
      },
      {
        "municipalityCode": "13106",
        "municipality": "台東区",
        "median": 1125000,
        "average": 1319083,
        "count": 12,
        "lat": 35.720715,
        "lng": 139.771172
      },
      {
        "municipalityCode": "13104",
        "municipality": "新宿区",
        "median": 1075000,
        "average": 1130071,
        "count": 56,
        "lat": 35.702603,
        "lng": 139.710839
      },
      {
        "municipalityCode": "13109",
        "municipality": "品川区",
        "median": 1065000,
        "average": 1243117,
        "count": 60,
        "lat": 35.615199,
        "lng": 139.724494
      },
      {
        "municipalityCode": "13116",
        "municipality": "豊島区",
        "median": 827500,
        "average": 911717,
        "count": 46,
        "lat": 35.730763,
        "lng": 139.715158
      },
      {
        "municipalityCode": "13112",
        "municipality": "世田谷区",
        "median": 790500,
        "average": 779422,
        "count": 218,
        "lat": 35.640209,
        "lng": 139.638911
      },
      {
        "municipalityCode": "13114",
        "municipality": "中野区",
        "median": 764000,
        "average": 782000,
        "count": 54,
        "lat": 35.709429,
        "lng": 139.663224
      },
      {
        "municipalityCode": "13203",
        "municipality": "武蔵野市",
        "median": 731500,
        "average": 692050,
        "count": 40,
        "lat": 35.707699,
        "lng": 139.563596
      },
      {
        "municipalityCode": "13115",
        "municipality": "杉並区",
        "median": 694000,
        "average": 702960,
        "count": 124,
        "lat": 35.696218,
        "lng": 139.624974
      },
      {
        "municipalityCode": "13107",
        "municipality": "墨田区",
        "median": 671000,
        "average": 613227,
        "count": 22,
        "lat": 35.708331,
        "lng": 139.813502
      },
      {
        "municipalityCode": "13108",
        "municipality": "江東区",
        "median": 636000,
        "average": 661288,
        "count": 52,
        "lat": 35.681259,
        "lng": 139.823184
      },
      {
        "municipalityCode": "13118",
        "municipality": "荒川区",
        "median": 633500,
        "average": 718438,
        "count": 32,
        "lat": 35.738639,
        "lng": 139.777011
      },
      {
        "municipalityCode": "13117",
        "municipality": "北区",
        "median": 632000,
        "average": 741597,
        "count": 62,
        "lat": 35.762897,
        "lng": 139.73008
      },
      {
        "municipalityCode": "13111",
        "municipality": "大田区",
        "median": 617500,
        "average": 647418,
        "count": 110,
        "lat": 35.579722,
        "lng": 139.702956
      },
      {
        "municipalityCode": "13119",
        "municipality": "板橋区",
        "median": 538000,
        "average": 553330,
        "count": 94,
        "lat": 35.767689,
        "lng": 139.678787
      }
    ],
    "points": [
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 7110000,
        "lat": 35.66664306,
        "lng": 139.74248111,
        "address": "赤坂１－１４－１１"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 7110000,
        "lat": 35.66664306,
        "lng": 139.74248111,
        "address": "赤坂１－１４－１１"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 5480000,
        "lat": 35.63653917,
        "lng": 139.72353306,
        "address": "白金台３－１６－１０"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 5480000,
        "lat": 35.63653917,
        "lng": 139.72353306,
        "address": "白金台３－１６－１０"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 5300000,
        "lat": 35.68814111,
        "lng": 139.73287306,
        "address": "六番町６番１外"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 5300000,
        "lat": 35.68814111,
        "lng": 139.73287306,
        "address": "六番町６番１外"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 4990000,
        "lat": 35.648845,
        "lng": 139.72627806,
        "address": "南麻布４－９－３４"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 4990000,
        "lat": 35.648845,
        "lng": 139.72627806,
        "address": "南麻布４－９－３４"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 4760000,
        "lat": 35.65184583,
        "lng": 139.73525194,
        "address": "南麻布１－５－１１"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 4760000,
        "lat": 35.65184583,
        "lng": 139.73525194,
        "address": "南麻布１－５－１１"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 4460000,
        "lat": 35.69023861,
        "lng": 139.74484556,
        "address": "三番町６番２５"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 4360000,
        "lat": 35.69023861,
        "lng": 139.74484556,
        "address": "三番町６番２５"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 4170000,
        "lat": 35.68830222,
        "lng": 139.74079528,
        "address": "一番町１６番３"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 4120000,
        "lat": 35.68830222,
        "lng": 139.74079528,
        "address": "一番町１６番３"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 4090000,
        "lat": 35.66746583,
        "lng": 139.73522778,
        "address": "赤坂６－１９－２３"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 4080000,
        "lat": 35.69608028,
        "lng": 139.74615167,
        "address": "九段北２－３－２５"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 4070000,
        "lat": 35.66746583,
        "lng": 139.73522778,
        "address": "赤坂６－１９－２３"
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "pricePerSquareMeter": 4050000,
        "lat": 35.69608028,
        "lng": 139.74615167,
        "address": "九段北２－３－２５"
      },
      {
        "municipalityCode": "13113",
        "municipality": "渋谷区",
        "pricePerSquareMeter": 3930000,
        "lat": 35.64846194,
        "lng": 139.704765,
        "address": "恵比寿西２－２０－７"
      },
      {
        "municipalityCode": "13113",
        "municipality": "渋谷区",
        "pricePerSquareMeter": 3870000,
        "lat": 35.64846194,
        "lng": 139.704765,
        "address": "恵比寿西２－２０－７"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3790000,
        "lat": 35.6647575,
        "lng": 139.7161575,
        "address": "南青山４－２０－４"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3750000,
        "lat": 35.6647575,
        "lng": 139.7161575,
        "address": "南青山４－２０－４"
      },
      {
        "municipalityCode": "13110",
        "municipality": "目黒区",
        "pricePerSquareMeter": 3700000,
        "lat": 35.65316389,
        "lng": 139.69154806,
        "address": "青葉台３－５－４４"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3690000,
        "lat": 35.65356444,
        "lng": 139.72762889,
        "address": "元麻布２－３－２４"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3680000,
        "lat": 35.65356444,
        "lng": 139.72762889,
        "address": "元麻布２－３－２４"
      },
      {
        "municipalityCode": "13110",
        "municipality": "目黒区",
        "pricePerSquareMeter": 3620000,
        "lat": 35.65316389,
        "lng": 139.69154806,
        "address": "青葉台３－５－４４"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3480000,
        "lat": 35.63466194,
        "lng": 139.73567,
        "address": "高輪３－１６－８"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3480000,
        "lat": 35.63466194,
        "lng": 139.73567,
        "address": "高輪３－１６－８"
      },
      {
        "municipalityCode": "13109",
        "municipality": "品川区",
        "pricePerSquareMeter": 3310000,
        "lat": 35.62933333,
        "lng": 139.72727111,
        "address": "東五反田１－２－３９"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3290000,
        "lat": 35.65956111,
        "lng": 139.73587806,
        "address": "六本木５－１３－１"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3290000,
        "lat": 35.65956111,
        "lng": 139.73587806,
        "address": "六本木５－１３－１"
      },
      {
        "municipalityCode": "13109",
        "municipality": "品川区",
        "pricePerSquareMeter": 3290000,
        "lat": 35.62933333,
        "lng": 139.72727111,
        "address": "東五反田１－２－３９"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3200000,
        "lat": 35.67107333,
        "lng": 139.72311444,
        "address": "南青山２－４－１１"
      },
      {
        "municipalityCode": "13113",
        "municipality": "渋谷区",
        "pricePerSquareMeter": 3200000,
        "lat": 35.66839111,
        "lng": 139.710575,
        "address": "神宮前４－１５－６"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3180000,
        "lat": 35.67107333,
        "lng": 139.72311444,
        "address": "南青山２－４－１１"
      },
      {
        "municipalityCode": "13105",
        "municipality": "文京区",
        "pricePerSquareMeter": 3180000,
        "lat": 35.72699611,
        "lng": 139.75263306,
        "address": "本駒込１－２０－１３"
      },
      {
        "municipalityCode": "13105",
        "municipality": "文京区",
        "pricePerSquareMeter": 3170000,
        "lat": 35.72699611,
        "lng": 139.75263306,
        "address": "本駒込１－２０－１３"
      },
      {
        "municipalityCode": "13113",
        "municipality": "渋谷区",
        "pricePerSquareMeter": 3170000,
        "lat": 35.66839111,
        "lng": 139.710575,
        "address": "神宮前４－１５－６"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3050000,
        "lat": 35.67316667,
        "lng": 139.72908333,
        "address": "赤坂８－２－１７"
      },
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "pricePerSquareMeter": 3020000,
        "lat": 35.67316667,
        "lng": 139.72908333,
        "address": "赤坂８－２－１７"
      }
    ],
    "percentiles": {
      "p25": 221000,
      "p50": 406500,
      "p75": 692000
    }
  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 1231
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 2554
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 5796
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 8070
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 9581
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 5570
      }
    ],
    "municipalitySummary": [
      {
        "municipalityCode": "13103",
        "municipality": "港区",
        "median": 100000000,
        "average": 265293362,
        "count": 934,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13110",
        "municipality": "目黒区",
        "median": 84000000,
        "average": 135157078,
        "count": 664,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13113",
        "municipality": "渋谷区",
        "median": 84000000,
        "average": 270354789,
        "count": 710,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13112",
        "municipality": "世田谷区",
        "median": 78000000,
        "average": 121631034,
        "count": 1827,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13102",
        "municipality": "中央区",
        "median": 76000000,
        "average": 157803321,
        "count": 783,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13203",
        "municipality": "武蔵野市",
        "median": 74000000,
        "average": 94068526,
        "count": 251,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13101",
        "municipality": "千代田区",
        "median": 70000000,
        "average": 288658273,
        "count": 278,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13105",
        "municipality": "文京区",
        "median": 67000000,
        "average": 122793775,
        "count": 739,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13115",
        "municipality": "杉並区",
        "median": 64000000,
        "average": 88148837,
        "count": 1376,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13204",
        "municipality": "三鷹市",
        "median": 64000000,
        "average": 79575684,
        "count": 329,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13109",
        "municipality": "品川区",
        "median": 60000000,
        "average": 98436042,
        "count": 1243,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13114",
        "municipality": "中野区",
        "median": 59000000,
        "average": 93139952,
        "count": 841,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13214",
        "municipality": "国分寺市",
        "median": 56000000,
        "average": 65545066,
        "count": 304,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13210",
        "municipality": "小金井市",
        "median": 55000000,
        "average": 57855144,
        "count": 243,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13215",
        "municipality": "国立市",
        "median": 52500000,
        "average": 67892361,
        "count": 144,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13219",
        "municipality": "狛江市",
        "median": 51000000,
        "average": 70884375,
        "count": 160,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13104",
        "municipality": "新宿区",
        "median": 50000000,
        "average": 104350995,
        "count": 1106,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13116",
        "municipality": "豊島区",
        "median": 50000000,
        "average": 99337470,
        "count": 822,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13120",
        "municipality": "練馬区",
        "median": 50000000,
        "average": 66332084,
        "count": 1799,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "13208",
        "municipality": "調布市",
        "median": 50000000,
        "average": 57455270,
        "count": 389,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 32802,
    "percentiles": {
      "p25": 27000000,
      "p50": 46000000,
      "p75": 77000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 14047594,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "東京都の災害リスクは住所、地形、自治体ハザードマップで判定が変わります。Phase 1では国土数値情報の公式入口を確認し、重い災害GeoJSONの全面同梱は行っていません。",
    "sourceId": "ksj-hazard",
    "missingReason": "国土数値情報の災害データは住所単位の確認が必要なため、県別の単一スコアには集約していません。",
    "indicators": [
      {
        "label": "住所単位確認",
        "value": "自治体ハザードマップ必須",
        "sourceId": "ksj-hazard"
      },
      {
        "label": "Phase 1方針",
        "value": "巨大GeoJSON同梱なし",
        "sourceId": "ksj-hazard"
      }
    ]
  },
  "sources": [
    {
      "id": "reinfolib-xit001",
      "name": "不動産情報ライブラリ XIT001",
      "url": "https://www.reinfolib.mlit.go.jp/help/apiManual/xit001/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "2024",
      "notes": "不動産取引価格情報を都道府県別・四半期別に取得し、取引価格を集計しています。"
    },
    {
      "id": "reinfolib-xct001",
      "name": "不動産情報ライブラリ XCT001",
      "url": "https://www.reinfolib.mlit.go.jp/help/apiManual/xct001/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "2026",
      "notes": "地価公示の住宅地データを取得し、1㎡当たり価格を集計しています。"
    },
    {
      "id": "estat-population",
      "name": "e-Stat 国勢調査 人口",
      "url": "https://www.e-stat.go.jp/api/api-info/e-stat-manual3-0",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "2020",
      "notes": "getStatsList/getMetaInfoで統計表と次元を確認し、getStatsDataで都道府県別総人口を取得しています。"
    },
    {
      "id": "ksj-hazard",
      "name": "国土数値情報",
      "url": "https://nlftp.mlit.go.jp/ksj/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "dataset-specific",
      "notes": "Phase 1では巨大GeoJSONを同梱せず、公式災害・地理空間データの確認導線と地域確認注意を掲載しています。"
    },
    {
      "id": "gsi-tiles",
      "name": "国土地理院 地理院タイル",
      "url": "https://maps.gsi.go.jp/development/",
      "retrievedAt": "2026-04-29T20:54:55.364Z",
      "period": "current",
      "notes": "MapLibre GL JSの背景地図として標準地図タイルを利用します。"
    }
  ],
  "quality": {
    "missingReasons": [
      "2020年国勢調査の都道府県別総人口を掲載。5年増減率は同一表内で算出できる過去年が未確認のため未掲載です。",
      "国土数値情報の災害データは住所単位の確認が必要なため、県別の単一スコアには集約していません。"
    ],
    "warnings": [
      "取引価格は2024年の不動産取引価格情報を集計しており、個別物件の査定額ではありません。",
      "地価公示は住宅地division=00の1㎡当たり価格を集計しています。",
      "災害リスクは住所単位で変わるため、自治体ハザードマップで必ず確認してください。"
    ]
  },
  "ranking": {
    "landPriceRank": 1,
    "transactionRank": 1,
    "populationRank": 1
  }
}