{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "44",
    "slug": "oita",
    "name": "大分県",
    "region": "九州",
    "center": {
      "lat": 33.23806,
      "lng": 131.6125,
      "zoom": 7
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 5000000,
      "average": 15938437,
      "count": 3091,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 43200,
      "average": 50378,
      "count": 290,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 1123852,
      "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": "大分県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": "44201",
        "municipality": "大分市",
        "median": 56950,
        "average": 67398,
        "count": 152,
        "lat": 33.220308,
        "lng": 131.633959
      },
      {
        "municipalityCode": "44202",
        "municipality": "別府市",
        "median": 46350,
        "average": 45388,
        "count": 48,
        "lat": 33.296187,
        "lng": 131.48292
      },
      {
        "municipalityCode": "44204",
        "municipality": "日田市",
        "median": 37400,
        "average": 35310,
        "count": 10,
        "lat": 33.32737,
        "lng": 130.933495
      },
      {
        "municipalityCode": "44213",
        "municipality": "由布市",
        "median": 33100,
        "average": 30080,
        "count": 10,
        "lat": 33.238409,
        "lng": 131.414886
      },
      {
        "municipalityCode": "44206",
        "municipality": "臼杵市",
        "median": 31900,
        "average": 30650,
        "count": 6,
        "lat": 33.125848,
        "lng": 131.798938
      },
      {
        "municipalityCode": "44205",
        "municipality": "佐伯市",
        "median": 31100,
        "average": 33225,
        "count": 8,
        "lat": 32.960863,
        "lng": 131.898924
      },
      {
        "municipalityCode": "44341",
        "municipality": "日出町",
        "median": 28450,
        "average": 28450,
        "count": 4,
        "lat": 33.369291,
        "lng": 131.543364
      },
      {
        "municipalityCode": "44208",
        "municipality": "竹田市",
        "median": 24000,
        "average": 20250,
        "count": 6,
        "lat": 32.972897,
        "lng": 131.393326
      },
      {
        "municipalityCode": "44212",
        "municipality": "豊後大野市",
        "median": 22650,
        "average": 22625,
        "count": 4,
        "lat": 32.981935,
        "lng": 131.586747
      },
      {
        "municipalityCode": "44203",
        "municipality": "中津市",
        "median": 22200,
        "average": 23550,
        "count": 10,
        "lat": 33.590376,
        "lng": 131.209188
      },
      {
        "municipalityCode": "44462",
        "municipality": "玖珠町",
        "median": 20250,
        "average": 20250,
        "count": 4,
        "lat": 33.289333,
        "lng": 131.157361
      },
      {
        "municipalityCode": "44210",
        "municipality": "杵築市",
        "median": 19550,
        "average": 18017,
        "count": 6,
        "lat": 33.415864,
        "lng": 131.601069
      },
      {
        "municipalityCode": "44207",
        "municipality": "津久見市",
        "median": 15800,
        "average": 21267,
        "count": 6,
        "lat": 33.082434,
        "lng": 131.850345
      },
      {
        "municipalityCode": "44211",
        "municipality": "宇佐市",
        "median": 11800,
        "average": 14667,
        "count": 6,
        "lat": 33.546328,
        "lng": 131.353758
      },
      {
        "municipalityCode": "44209",
        "municipality": "豊後高田市",
        "median": 11400,
        "average": 12243,
        "count": 6,
        "lat": 33.557545,
        "lng": 131.446565
      },
      {
        "municipalityCode": "44214",
        "municipality": "国東市",
        "median": 10875,
        "average": 10883,
        "count": 4,
        "lat": 33.562054,
        "lng": 131.730825
      }
    ],
    "points": [
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 367000,
        "lat": 33.22923306,
        "lng": 131.60459194,
        "address": "金池南１－１１－３４"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 367000,
        "lat": 33.22923306,
        "lng": 131.60459194,
        "address": "金池南１－１１－３４"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 172000,
        "lat": 33.22904194,
        "lng": 131.60677389,
        "address": "金池南１－１４－３２"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 171000,
        "lat": 33.22904194,
        "lng": 131.60677389,
        "address": "金池南１－１４－３２"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 164000,
        "lat": 33.22840306,
        "lng": 131.61063611,
        "address": "金池南２－１１－２"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 164000,
        "lat": 33.22840306,
        "lng": 131.61063611,
        "address": "金池南２－１１－２"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 138000,
        "lat": 33.24454306,
        "lng": 131.61251306,
        "address": "中島中央２丁目５４９４番"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 137000,
        "lat": 33.24454306,
        "lng": 131.61251306,
        "address": "中島中央２丁目５４９４番"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 116000,
        "lat": 33.23747417,
        "lng": 131.59389583,
        "address": "南春日町３－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 115000,
        "lat": 33.23747417,
        "lng": 131.59389583,
        "address": "南春日町３－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 115000,
        "lat": 33.24109389,
        "lng": 131.59546306,
        "address": "西春日町４－２５"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 114000,
        "lat": 33.24109389,
        "lng": 131.59546306,
        "address": "西春日町４－２５"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 111000,
        "lat": 33.24109,
        "lng": 131.61863861,
        "address": "舞鶴町２丁目６２６８番３７"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 111000,
        "lat": 33.24109,
        "lng": 131.61863861,
        "address": "舞鶴町２丁目６２６８番３７"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 109000,
        "lat": 33.225675,
        "lng": 131.61355306,
        "address": "上野町１４－６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 107000,
        "lat": 33.225675,
        "lng": 131.61355306,
        "address": "上野町１４－６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 105000,
        "lat": 33.23356806,
        "lng": 131.61820611,
        "address": "錦町２－１－７"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 104000,
        "lat": 33.23356806,
        "lng": 131.61820611,
        "address": "錦町２－１－７"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 99700,
        "lat": 33.23352167,
        "lng": 131.59529,
        "address": "新春日町１－１－１３"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 99500,
        "lat": 33.23352167,
        "lng": 131.59529,
        "address": "新春日町１－１－１３"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 99500,
        "lat": 33.225425,
        "lng": 131.63462111,
        "address": "下郡中央２－８－３４"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 98500,
        "lat": 33.225425,
        "lng": 131.63462111,
        "address": "下郡中央２－８－３４"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 98000,
        "lat": 33.24134111,
        "lng": 131.59883389,
        "address": "東春日町９－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 97100,
        "lat": 33.2384525,
        "lng": 131.62860361,
        "address": "岩田町３－３－１９"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 97000,
        "lat": 33.24134111,
        "lng": 131.59883389,
        "address": "東春日町９－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 97000,
        "lat": 33.2384525,
        "lng": 131.62860361,
        "address": "岩田町３－３－１９"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 92800,
        "lat": 33.22758,
        "lng": 131.59297,
        "address": "西大道４－３－１７"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 92800,
        "lat": 33.22758,
        "lng": 131.59297,
        "address": "西大道４－３－１７"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 90600,
        "lat": 33.21388,
        "lng": 131.60590111,
        "address": "古国府５－７－４"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 90000,
        "lat": 33.21388,
        "lng": 131.60590111,
        "address": "古国府５－７－４"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 88000,
        "lat": 33.22829778,
        "lng": 131.64884639,
        "address": "明野西１－１４－５"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 87500,
        "lat": 33.22829778,
        "lng": 131.64884639,
        "address": "明野西１－１４－５"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 86600,
        "lat": 33.21727556,
        "lng": 131.65747417,
        "address": "明野東３－９－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 86200,
        "lat": 33.21727556,
        "lng": 131.65747417,
        "address": "明野東３－９－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 81000,
        "lat": 33.23575417,
        "lng": 131.57999722,
        "address": "高崎２－１８－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 81000,
        "lat": 33.23575417,
        "lng": 131.57999722,
        "address": "高崎２－１８－１６"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 80500,
        "lat": 33.21832833,
        "lng": 131.62907139,
        "address": "大字羽田字産ノ木９４１番１"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 80400,
        "lat": 33.21832833,
        "lng": 131.62907139,
        "address": "大字羽田字産ノ木９４１番１"
      },
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "pricePerSquareMeter": 79000,
        "lat": 33.24447694,
        "lng": 131.641165,
        "address": "萩原１－１６－８"
      },
      {
        "municipalityCode": "44202",
        "municipality": "別府市",
        "pricePerSquareMeter": 79000,
        "lat": 33.27696972,
        "lng": 131.4947275,
        "address": "上田の湯町４－２３"
      }
    ],
    "percentiles": {
      "p25": 26100,
      "p50": 43200,
      "p75": 65000
    }
  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 1925
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 474
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 274
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 261
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 94
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 63
      }
    ],
    "municipalitySummary": [
      {
        "municipalityCode": "44201",
        "municipality": "大分市",
        "median": 18000000,
        "average": 32462745,
        "count": 980,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44202",
        "municipality": "別府市",
        "median": 14000000,
        "average": 22096557,
        "count": 273,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44341",
        "municipality": "速見郡日出町",
        "median": 4800000,
        "average": 12032829,
        "count": 65,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44213",
        "municipality": "由布市",
        "median": 4100000,
        "average": 14272178,
        "count": 149,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44204",
        "municipality": "日田市",
        "median": 3000000,
        "average": 8560397,
        "count": 208,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44207",
        "municipality": "津久見市",
        "median": 2500000,
        "average": 3518800,
        "count": 25,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44206",
        "municipality": "臼杵市",
        "median": 2300000,
        "average": 6276833,
        "count": 99,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44203",
        "municipality": "中津市",
        "median": 1600000,
        "average": 9100484,
        "count": 282,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44205",
        "municipality": "佐伯市",
        "median": 1500000,
        "average": 6081242,
        "count": 166,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44462",
        "municipality": "玖珠郡玖珠町",
        "median": 1400000,
        "average": 3330247,
        "count": 47,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44461",
        "municipality": "玖珠郡九重町",
        "median": 1000000,
        "average": 4193660,
        "count": 47,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44209",
        "municipality": "豊後高田市",
        "median": 900000,
        "average": 3369640,
        "count": 100,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44211",
        "municipality": "宇佐市",
        "median": 835000,
        "average": 3321866,
        "count": 228,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44208",
        "municipality": "竹田市",
        "median": 800000,
        "average": 2559558,
        "count": 113,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44210",
        "municipality": "杵築市",
        "median": 500000,
        "average": 2427206,
        "count": 86,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44214",
        "municipality": "国東市",
        "median": 370000,
        "average": 2625833,
        "count": 57,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "44212",
        "municipality": "豊後大野市",
        "median": 355000,
        "average": 2107185,
        "count": 166,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 3091,
    "percentiles": {
      "p25": 650000,
      "p50": 5000000,
      "p75": 17000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 1123852,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "大分県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": 17,
    "transactionRank": 38,
    "populationRank": 34
  }
}