{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "33",
    "slug": "okayama",
    "name": "岡山県",
    "region": "中国",
    "center": {
      "lat": 34.66167,
      "lng": 133.935,
      "zoom": 7
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 6300000,
      "average": 20446478,
      "count": 4505,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 36700,
      "average": 47781,
      "count": 540,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 1888432,
      "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": "岡山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": "33101",
        "municipality": "岡山市北区",
        "median": 81350,
        "average": 91247,
        "count": 66,
        "lat": 34.670495,
        "lng": 133.896287
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "median": 74400,
        "average": 80308,
        "count": 36,
        "lat": 34.663582,
        "lng": 133.959422
      },
      {
        "municipalityCode": "33423",
        "municipality": "早島町",
        "median": 56400,
        "average": 59317,
        "count": 6,
        "lat": 34.60537,
        "lng": 133.824455
      },
      {
        "municipalityCode": "33104",
        "municipality": "岡山市南区",
        "median": 54900,
        "average": 50504,
        "count": 46,
        "lat": 34.598031,
        "lng": 133.8984
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "median": 42800,
        "average": 51282,
        "count": 160,
        "lat": 34.561117,
        "lng": 133.751081
      },
      {
        "municipalityCode": "33445",
        "municipality": "里庄町",
        "median": 36150,
        "average": 36175,
        "count": 4,
        "lat": 34.515181,
        "lng": 133.557798
      },
      {
        "municipalityCode": "33208",
        "municipality": "総社市",
        "median": 33850,
        "average": 35796,
        "count": 30,
        "lat": 34.667591,
        "lng": 133.741084
      },
      {
        "municipalityCode": "33207",
        "municipality": "井原市",
        "median": 32300,
        "average": 27967,
        "count": 6,
        "lat": 34.59081,
        "lng": 133.46548
      },
      {
        "municipalityCode": "33216",
        "municipality": "浅口市",
        "median": 32250,
        "average": 31520,
        "count": 10,
        "lat": 34.535728,
        "lng": 133.603401
      },
      {
        "municipalityCode": "33204",
        "municipality": "玉野市",
        "median": 31300,
        "average": 30763,
        "count": 24,
        "lat": 34.509686,
        "lng": 133.932071
      },
      {
        "municipalityCode": "33103",
        "municipality": "岡山市東区",
        "median": 30750,
        "average": 30342,
        "count": 38,
        "lat": 34.682199,
        "lng": 134.040576
      },
      {
        "municipalityCode": "33210",
        "municipality": "新見市",
        "median": 29900,
        "average": 30433,
        "count": 6,
        "lat": 34.988563,
        "lng": 133.455708
      },
      {
        "municipalityCode": "33205",
        "municipality": "笠岡市",
        "median": 27500,
        "average": 27195,
        "count": 22,
        "lat": 34.5109,
        "lng": 133.508843
      },
      {
        "municipalityCode": "33622",
        "municipality": "勝央町",
        "median": 27350,
        "average": 27350,
        "count": 4,
        "lat": 35.045373,
        "lng": 134.118156
      },
      {
        "municipalityCode": "33211",
        "municipality": "備前市",
        "median": 24200,
        "average": 21910,
        "count": 10,
        "lat": 34.749628,
        "lng": 134.248848
      },
      {
        "municipalityCode": "33209",
        "municipality": "高梁市",
        "median": 23500,
        "average": 27240,
        "count": 10,
        "lat": 34.785921,
        "lng": 133.582299
      },
      {
        "municipalityCode": "33213",
        "municipality": "赤磐市",
        "median": 19200,
        "average": 19390,
        "count": 10,
        "lat": 34.766397,
        "lng": 134.02486
      },
      {
        "municipalityCode": "33461",
        "municipality": "矢掛町",
        "median": 18300,
        "average": 18300,
        "count": 4,
        "lat": 34.61675,
        "lng": 133.566639
      },
      {
        "municipalityCode": "33215",
        "municipality": "美作市",
        "median": 17800,
        "average": 17800,
        "count": 4,
        "lat": 34.999766,
        "lng": 134.146913
      },
      {
        "municipalityCode": "33214",
        "municipality": "真庭市",
        "median": 16850,
        "average": 17807,
        "count": 16,
        "lat": 35.097824,
        "lng": 133.73047
      }
    ],
    "points": [
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 208000,
        "lat": 34.67557944,
        "lng": 133.91091861,
        "address": "伊島町１－３－４２"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 208000,
        "lat": 34.67557944,
        "lng": 133.91091861,
        "address": "伊島町１－３－４２"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 205000,
        "lat": 34.64465694,
        "lng": 133.90309611,
        "address": "大元１－１１－８"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 205000,
        "lat": 34.64465694,
        "lng": 133.90309611,
        "address": "大元１－１１－８"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 204000,
        "lat": 34.68347111,
        "lng": 133.91816806,
        "address": "津島新野１－７－２３"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 203000,
        "lat": 34.68347111,
        "lng": 133.91816806,
        "address": "津島新野１－７－２３"
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "pricePerSquareMeter": 203000,
        "lat": 34.66617722,
        "lng": 133.94039556,
        "address": "住吉町２丁目６５番"
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "pricePerSquareMeter": 203000,
        "lat": 34.66617722,
        "lng": 133.94039556,
        "address": "住吉町２丁目６５番"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 175000,
        "lat": 34.68502,
        "lng": 133.90934806,
        "address": "津島本町１－１６－３"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 174000,
        "lat": 34.68502,
        "lng": 133.90934806,
        "address": "津島本町１－１６－３"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 171000,
        "lat": 34.6730025,
        "lng": 133.92837639,
        "address": "番町１－９－６"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 170000,
        "lat": 34.6730025,
        "lng": 133.92837639,
        "address": "番町１－９－６"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 160000,
        "lat": 34.637595,
        "lng": 133.89580778,
        "address": "下中野７１０番１１３"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 160000,
        "lat": 34.637595,
        "lng": 133.89580778,
        "address": "下中野７１０番１１３"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 158000,
        "lat": 34.5935,
        "lng": 133.76562694,
        "address": "南町３－１２"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 157000,
        "lat": 34.5935,
        "lng": 133.76562694,
        "address": "南町３－１２"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 134000,
        "lat": 34.64270417,
        "lng": 133.88431917,
        "address": "田中１１０番１０２"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 134000,
        "lat": 34.59867,
        "lng": 133.77641,
        "address": "美和２－１１－２０"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 134000,
        "lat": 34.59867,
        "lng": 133.77641,
        "address": "美和２－１１－２０"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 133000,
        "lat": 34.64270417,
        "lng": 133.88431917,
        "address": "田中１１０番１０２"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 124000,
        "lat": 34.63192889,
        "lng": 133.887405,
        "address": "平田１５８番１１０"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 123000,
        "lat": 34.63192889,
        "lng": 133.887405,
        "address": "平田１５８番１１０"
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "pricePerSquareMeter": 123000,
        "lat": 34.65341694,
        "lng": 133.94002889,
        "address": "門田屋敷３－５－３９－３"
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "pricePerSquareMeter": 123000,
        "lat": 34.65341694,
        "lng": 133.94002889,
        "address": "門田屋敷３－５－３９－３"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 122000,
        "lat": 34.68022611,
        "lng": 133.92637694,
        "address": "大和町１－５－８"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 122000,
        "lat": 34.68022611,
        "lng": 133.92637694,
        "address": "大和町１－５－８"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 119000,
        "lat": 34.59348444,
        "lng": 133.76886444,
        "address": "中央２－１７－２"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 119000,
        "lat": 34.59348444,
        "lng": 133.76886444,
        "address": "中央２－１７－２"
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "pricePerSquareMeter": 117000,
        "lat": 34.67463611,
        "lng": 133.94845306,
        "address": "東川原字尾島道東３５４番１４"
      },
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "pricePerSquareMeter": 117000,
        "lat": 34.67463611,
        "lng": 133.94845306,
        "address": "東川原字尾島道東３５４番１４"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 114000,
        "lat": 34.60233167,
        "lng": 133.77969222,
        "address": "大島字川田３３３番５"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 114000,
        "lat": 34.60233167,
        "lng": 133.77969222,
        "address": "大島字川田３３３番５"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 111000,
        "lat": 34.66353194,
        "lng": 133.89769306,
        "address": "西崎１－３－１８"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 111000,
        "lat": 34.66353194,
        "lng": 133.89769306,
        "address": "西崎１－３－１８"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 110000,
        "lat": 34.60408333,
        "lng": 133.75916667,
        "address": "日吉町字牛房地４７８番６"
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "pricePerSquareMeter": 110000,
        "lat": 34.60408333,
        "lng": 133.75916667,
        "address": "日吉町字牛房地４７８番６"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 105000,
        "lat": 34.63570222,
        "lng": 133.91818611,
        "address": "青江１－５－２１"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 105000,
        "lat": 34.63570222,
        "lng": 133.91818611,
        "address": "青江１－５－２１"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 104000,
        "lat": 34.66269,
        "lng": 133.90981111,
        "address": "島田本町１－４－５３"
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "pricePerSquareMeter": 104000,
        "lat": 34.66269,
        "lng": 133.90981111,
        "address": "島田本町１－４－５３"
      }
    ],
    "percentiles": {
      "p25": 23500,
      "p50": 36700,
      "p75": 63800
    }
  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 2625
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 699
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 410
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 454
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 199
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 118
      }
    ],
    "municipalitySummary": [
      {
        "municipalityCode": "33102",
        "municipality": "岡山市中区",
        "median": 21000000,
        "average": 29254575,
        "count": 268,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33101",
        "municipality": "岡山市北区",
        "median": 20000000,
        "average": 47233276,
        "count": 685,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33104",
        "municipality": "岡山市南区",
        "median": 17000000,
        "average": 25919834,
        "count": 271,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33423",
        "municipality": "都窪郡早島町",
        "median": 17000000,
        "average": 25984211,
        "count": 19,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33202",
        "municipality": "倉敷市",
        "median": 13000000,
        "average": 25202135,
        "count": 879,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33208",
        "municipality": "総社市",
        "median": 10000000,
        "average": 17947094,
        "count": 181,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33205",
        "municipality": "笠岡市",
        "median": 6350000,
        "average": 15019923,
        "count": 88,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33216",
        "municipality": "浅口市",
        "median": 6000000,
        "average": 10783921,
        "count": 76,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33445",
        "municipality": "浅口郡里庄町",
        "median": 4650000,
        "average": 8463235,
        "count": 34,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33212",
        "municipality": "瀬戸内市",
        "median": 4150000,
        "average": 24541556,
        "count": 112,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33103",
        "municipality": "岡山市東区",
        "median": 4000000,
        "average": 22496419,
        "count": 223,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33204",
        "municipality": "玉野市",
        "median": 4000000,
        "average": 8226489,
        "count": 94,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33213",
        "municipality": "赤磐市",
        "median": 3000000,
        "average": 8324970,
        "count": 135,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33681",
        "municipality": "加賀郡吉備中央町",
        "median": 3000000,
        "average": 4000829,
        "count": 51,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33461",
        "municipality": "小田郡矢掛町",
        "median": 2000000,
        "average": 36653046,
        "count": 37,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33203",
        "municipality": "津山市",
        "median": 1500000,
        "average": 8121134,
        "count": 284,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33211",
        "municipality": "備前市",
        "median": 1400000,
        "average": 4846620,
        "count": 92,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33346",
        "municipality": "和気郡和気町",
        "median": 975000,
        "average": 6657632,
        "count": 38,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33622",
        "municipality": "勝田郡勝央町",
        "median": 900000,
        "average": 2178515,
        "count": 33,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "33214",
        "municipality": "真庭市",
        "median": 685000,
        "average": 2892879,
        "count": 214,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 4505,
    "percentiles": {
      "p25": 700000,
      "p50": 6300000,
      "p75": 20000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 1888432,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "岡山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": 25,
    "transactionRank": 33,
    "populationRank": 20
  }
}