{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "05",
    "slug": "akita",
    "name": "秋田県",
    "region": "東北",
    "center": {
      "lat": 39.71861,
      "lng": 140.1025,
      "zoom": 6
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 2500000,
      "average": 8080760,
      "count": 2789,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 16150,
      "average": 23041,
      "count": 260,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 959502,
      "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": "秋田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": "05201",
        "municipality": "秋田市",
        "median": 34950,
        "average": 36276,
        "count": 118,
        "lat": 39.713738,
        "lng": 140.122206
      },
      {
        "municipalityCode": "05210",
        "municipality": "由利本荘市",
        "median": 19950,
        "average": 15831,
        "count": 10,
        "lat": 39.332567,
        "lng": 140.080402
      },
      {
        "municipalityCode": "05204",
        "municipality": "大館市",
        "median": 15850,
        "average": 15467,
        "count": 12,
        "lat": 40.260267,
        "lng": 140.570426
      },
      {
        "municipalityCode": "05207",
        "municipality": "湯沢市",
        "median": 15700,
        "average": 15967,
        "count": 6,
        "lat": 39.159739,
        "lng": 140.48745
      },
      {
        "municipalityCode": "05214",
        "municipality": "にかほ市",
        "median": 11650,
        "average": 12875,
        "count": 12,
        "lat": 39.264359,
        "lng": 139.933264
      },
      {
        "municipalityCode": "05215",
        "municipality": "仙北市",
        "median": 11200,
        "average": 11463,
        "count": 6,
        "lat": 39.633263,
        "lng": 140.623849
      },
      {
        "municipalityCode": "05209",
        "municipality": "鹿角市",
        "median": 10800,
        "average": 10225,
        "count": 8,
        "lat": 40.226612,
        "lng": 140.781188
      },
      {
        "municipalityCode": "05202",
        "municipality": "能代市",
        "median": 10500,
        "average": 10728,
        "count": 12,
        "lat": 40.203358,
        "lng": 140.112602
      },
      {
        "municipalityCode": "05203",
        "municipality": "横手市",
        "median": 10450,
        "average": 13267,
        "count": 16,
        "lat": 39.263707,
        "lng": 140.535487
      },
      {
        "municipalityCode": "05212",
        "municipality": "大仙市",
        "median": 8740,
        "average": 15979,
        "count": 14,
        "lat": 39.492746,
        "lng": 140.431486
      },
      {
        "municipalityCode": "05211",
        "municipality": "潟上市",
        "median": 8680,
        "average": 11929,
        "count": 14,
        "lat": 39.856011,
        "lng": 140.046506
      },
      {
        "municipalityCode": "05434",
        "municipality": "美郷町",
        "median": 8325,
        "average": 8325,
        "count": 4,
        "lat": 39.422424,
        "lng": 140.549686
      },
      {
        "municipalityCode": "05206",
        "municipality": "男鹿市",
        "median": 8240,
        "average": 9625,
        "count": 6,
        "lat": 39.888764,
        "lng": 139.874356
      },
      {
        "municipalityCode": "05363",
        "municipality": "八郎潟町",
        "median": 7850,
        "average": 7850,
        "count": 4,
        "lat": 39.957739,
        "lng": 140.075798
      },
      {
        "municipalityCode": "05303",
        "municipality": "小坂町",
        "median": 7340,
        "average": 7345,
        "count": 4,
        "lat": 40.319915,
        "lng": 140.742592
      },
      {
        "municipalityCode": "05213",
        "municipality": "北秋田市",
        "median": 7160,
        "average": 6109,
        "count": 10,
        "lat": 40.179871,
        "lng": 140.342232
      },
      {
        "municipalityCode": "05361",
        "municipality": "五城目町",
        "median": 5160,
        "average": 5163,
        "count": 4,
        "lat": 39.942823,
        "lng": 140.11793
      }
    ],
    "points": [
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 82300,
        "lat": 39.72248,
        "lng": 140.11777389,
        "address": "保戸野中町２－１０"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 82100,
        "lat": 39.72248,
        "lng": 140.11777389,
        "address": "保戸野中町２－１０"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 81100,
        "lat": 39.71316778,
        "lng": 140.13831139,
        "address": "東通５－１２－８"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 81000,
        "lat": 39.71316778,
        "lng": 140.13831139,
        "address": "東通５－１２－８"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 79200,
        "lat": 39.73271111,
        "lng": 140.11396889,
        "address": "泉中央５－８－９"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 79000,
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        "address": "泉中央５－８－９"
      },
      {
        "municipalityCode": "05201",
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        "pricePerSquareMeter": 78000,
        "lat": 39.721795,
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        "address": "手形字十七流１４０番２"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 77500,
        "lat": 39.721795,
        "lng": 140.13812389,
        "address": "手形字十七流１４０番２"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 74200,
        "lat": 39.72579028,
        "lng": 140.10186639,
        "address": "八橋本町３－１１－６"
      },
      {
        "municipalityCode": "05201",
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        "pricePerSquareMeter": 74000,
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        "address": "八橋本町３－１１－６"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 70800,
        "lat": 39.72897806,
        "lng": 140.10045,
        "address": "八橋三和町１１－２５"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 70500,
        "lat": 39.72897806,
        "lng": 140.10045,
        "address": "八橋三和町１１－２５"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 64000,
        "lat": 39.71723806,
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        "address": "山王中島町１３－３５"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 63900,
        "lat": 39.71723806,
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      },
      {
        "municipalityCode": "05201",
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        "pricePerSquareMeter": 60300,
        "lat": 39.71053917,
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        "address": "川元開和町１１－１９"
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      {
        "municipalityCode": "05201",
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        "pricePerSquareMeter": 60200,
        "lat": 39.71053917,
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        "address": "川元開和町１１－１９"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 60000,
        "lat": 39.71263333,
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        "address": "川尻総社町４－１５"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 60000,
        "lat": 39.71263333,
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        "address": "川尻総社町４－１５"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 59200,
        "lat": 39.70815667,
        "lng": 140.12506556,
        "address": "南通築地１２－３３"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 59200,
        "lat": 39.70815667,
        "lng": 140.12506556,
        "address": "南通築地１２－３３"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 58800,
        "lat": 39.727,
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        "address": "手形休下町４－５"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 58500,
        "lat": 39.727,
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        "address": "手形休下町４－５"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 54000,
        "lat": 39.72615194,
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        "address": "千秋中島町３－１７"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 53900,
        "lat": 39.72615194,
        "lng": 140.12103694,
        "address": "千秋中島町３－１７"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 48500,
        "lat": 39.71631028,
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        "address": "広面字碇６８番４"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 48400,
        "lat": 39.71631028,
        "lng": 140.15147056,
        "address": "広面字碇６８番４"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 48000,
        "lat": 39.72880556,
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        "address": "広面字糠塚１７番３"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 47800,
        "lat": 39.72880556,
        "lng": 140.152,
        "address": "広面字糠塚１７番３"
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        "municipality": "秋田市",
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        "lat": 39.74527778,
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        "municipalityCode": "05201",
        "municipality": "秋田市",
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        "municipalityCode": "05201",
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        "pricePerSquareMeter": 45300,
        "lat": 39.70711111,
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        "municipalityCode": "05201",
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        "pricePerSquareMeter": 45200,
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        "pricePerSquareMeter": 44300,
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        "municipalityCode": "05201",
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        "address": "楢山川口境１５－２１"
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 44200,
        "lat": 39.74591944,
        "lng": 140.08340556,
        "address": "将軍野南１－１４－３２"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 44100,
        "lat": 39.74591944,
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        "address": "将軍野南１－１４－３２"
      },
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 43300,
        "lat": 39.70269,
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      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
        "pricePerSquareMeter": 43100,
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        "address": "外旭川字鳥谷場２４１番１"
      },
      {
        "municipalityCode": "05201",
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        "pricePerSquareMeter": 43000,
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        "municipalityCode": "05201",
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    ],
    "percentiles": {
      "p25": 8350,
      "p50": 16150,
      "p75": 33600
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  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 2157
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 324
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      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 140
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 116
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 31
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 21
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    ],
    "municipalitySummary": [
      {
        "municipalityCode": "05201",
        "municipality": "秋田市",
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        "average": 15540919,
        "count": 777,
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      {
        "municipalityCode": "05368",
        "municipality": "南秋田郡大潟村",
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        "average": 25831429,
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      {
        "municipalityCode": "05363",
        "municipality": "南秋田郡八郎潟町",
        "median": 4300000,
        "average": 2854444,
        "count": 9,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "05210",
        "municipality": "由利本荘市",
        "median": 3000000,
        "average": 7739378,
        "count": 176,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05214",
        "municipality": "にかほ市",
        "median": 2900000,
        "average": 9172147,
        "count": 68,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05204",
        "municipality": "大館市",
        "median": 2800000,
        "average": 7401731,
        "count": 161,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05202",
        "municipality": "能代市",
        "median": 2500000,
        "average": 8865227,
        "count": 142,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05211",
        "municipality": "潟上市",
        "median": 2250000,
        "average": 8275650,
        "count": 80,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05209",
        "municipality": "鹿角市",
        "median": 2000000,
        "average": 3697677,
        "count": 62,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05212",
        "municipality": "大仙市",
        "median": 1700000,
        "average": 5302365,
        "count": 209,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05327",
        "municipality": "北秋田郡上小阿仁村",
        "median": 1600000,
        "average": 1897826,
        "count": 23,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "05361",
        "municipality": "南秋田郡五城目町",
        "median": 1500000,
        "average": 2529048,
        "count": 21,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "05203",
        "municipality": "横手市",
        "median": 1000000,
        "average": 3723840,
        "count": 297,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "05207",
        "municipality": "湯沢市",
        "median": 950000,
        "average": 4230860,
        "count": 111,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "05303",
        "municipality": "鹿角郡小坂町",
        "median": 830000,
        "average": 5933333,
        "count": 6,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "05206",
        "municipality": "男鹿市",
        "median": 800000,
        "average": 2320013,
        "count": 79,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05349",
        "municipality": "山本郡八峰町",
        "median": 760000,
        "average": 1032941,
        "count": 17,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05348",
        "municipality": "山本郡三種町",
        "median": 740000,
        "average": 3905892,
        "count": 74,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05215",
        "municipality": "仙北市",
        "median": 605000,
        "average": 2585152,
        "count": 64,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "05434",
        "municipality": "仙北郡美郷町",
        "median": 550000,
        "average": 1649872,
        "count": 58,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 2789,
    "percentiles": {
      "p25": 450000,
      "p50": 2500000,
      "p75": 8400000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 959502,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "秋田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": 47,
    "transactionRank": 43,
    "populationRank": 38
  }
}