{
  "version": "2026-04-30-real-data-v1",
  "generatedAt": "2026-04-29T20:54:55.364Z",
  "prefecture": {
    "code": "39",
    "slug": "kochi",
    "name": "高知県",
    "region": "四国",
    "center": {
      "lat": 33.55972,
      "lng": 133.53111,
      "zoom": 7
    }
  },
  "metrics": {
    "transactionPrice": {
      "median": 2000000,
      "average": 8792334,
      "count": 1858,
      "unit": "円",
      "period": "2024",
      "sourceId": "reinfolib-xit001",
      "missingReason": null
    },
    "landPrice": {
      "median": 40750,
      "average": 52195,
      "count": 192,
      "unit": "円/m²",
      "period": "2026",
      "sourceId": "reinfolib-xct001",
      "missingReason": null
    },
    "population": {
      "latest": 691527,
      "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": "高知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": "39201",
        "municipality": "高知市",
        "median": 71250,
        "average": 75153,
        "count": 94,
        "lat": 33.552634,
        "lng": 133.537338
      },
      {
        "municipalityCode": "39204",
        "municipality": "南国市",
        "median": 66550,
        "average": 52070,
        "count": 10,
        "lat": 33.574968,
        "lng": 133.6414
      },
      {
        "municipalityCode": "39386",
        "municipality": "いの町",
        "median": 60500,
        "average": 49167,
        "count": 6,
        "lat": 33.541031,
        "lng": 133.440084
      },
      {
        "municipalityCode": "39212",
        "municipality": "香美市",
        "median": 55550,
        "average": 49025,
        "count": 8,
        "lat": 33.604786,
        "lng": 133.689099
      },
      {
        "municipalityCode": "39210",
        "municipality": "四万十市",
        "median": 35550,
        "average": 33117,
        "count": 6,
        "lat": 32.990104,
        "lng": 132.937907
      },
      {
        "municipalityCode": "39206",
        "municipality": "須崎市",
        "median": 30500,
        "average": 28850,
        "count": 6,
        "lat": 33.400442,
        "lng": 133.280015
      },
      {
        "municipalityCode": "39203",
        "municipality": "安芸市",
        "median": 28750,
        "average": 28750,
        "count": 4,
        "lat": 33.500806,
        "lng": 133.906583
      },
      {
        "municipalityCode": "39205",
        "municipality": "土佐市",
        "median": 27850,
        "average": 28833,
        "count": 6,
        "lat": 33.491864,
        "lng": 133.402002
      },
      {
        "municipalityCode": "39402",
        "municipality": "佐川町",
        "median": 27050,
        "average": 27050,
        "count": 4,
        "lat": 33.505476,
        "lng": 133.29
      },
      {
        "municipalityCode": "39403",
        "municipality": "越知町",
        "median": 26800,
        "average": 26800,
        "count": 4,
        "lat": 33.530545,
        "lng": 133.252582
      },
      {
        "municipalityCode": "39208",
        "municipality": "宿毛市",
        "median": 24800,
        "average": 24900,
        "count": 6,
        "lat": 32.933064,
        "lng": 132.713402
      },
      {
        "municipalityCode": "39412",
        "municipality": "四万十町",
        "median": 21850,
        "average": 21850,
        "count": 4,
        "lat": 33.209459,
        "lng": 133.137256
      },
      {
        "municipalityCode": "39401",
        "municipality": "中土佐町",
        "median": 21150,
        "average": 21125,
        "count": 4,
        "lat": 33.330702,
        "lng": 133.227043
      },
      {
        "municipalityCode": "39428",
        "municipality": "黒潮町",
        "median": 21100,
        "average": 21100,
        "count": 4,
        "lat": 33.048849,
        "lng": 133.050451
      },
      {
        "municipalityCode": "39211",
        "municipality": "香南市",
        "median": 19900,
        "average": 26167,
        "count": 6,
        "lat": 33.561392,
        "lng": 133.729633
      },
      {
        "municipalityCode": "39209",
        "municipality": "土佐清水市",
        "median": 18400,
        "average": 18400,
        "count": 4,
        "lat": 32.786012,
        "lng": 132.918525
      },
      {
        "municipalityCode": "39202",
        "municipality": "室戸市",
        "median": 16850,
        "average": 16850,
        "count": 4,
        "lat": 33.276546,
        "lng": 134.159704
      },
      {
        "municipalityCode": "39341",
        "municipality": "本山町",
        "median": 16550,
        "average": 16550,
        "count": 4,
        "lat": 33.757195,
        "lng": 133.588501
      },
      {
        "municipalityCode": "39363",
        "municipality": "土佐町",
        "median": 15300,
        "average": 15300,
        "count": 4,
        "lat": 33.748923,
        "lng": 133.556576
      },
      {
        "municipalityCode": "39301",
        "municipality": "東洋町",
        "median": 10725,
        "average": 10725,
        "count": 4,
        "lat": 33.536375,
        "lng": 134.287139
      }
    ],
    "points": [
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 166000,
        "lat": 33.56365611,
        "lng": 133.53552194,
        "address": "永国寺町４３番"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 166000,
        "lat": 33.56365611,
        "lng": 133.53552194,
        "address": "永国寺町４３番"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 163000,
        "lat": 33.5561525,
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        "address": "鷹匠町１丁目２１番２"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 162000,
        "lat": 33.5561525,
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        "address": "鷹匠町１丁目２１番２"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 144000,
        "lat": 33.56163583,
        "lng": 133.52609306,
        "address": "桜馬場３－９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 144000,
        "lat": 33.56163583,
        "lng": 133.52609306,
        "address": "桜馬場３－９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 132000,
        "lat": 33.55520306,
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        "address": "上町２－１０－３１"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 132000,
        "lat": 33.55520306,
        "lng": 133.52486611,
        "address": "上町２－１０－３１"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 128000,
        "lat": 33.56761,
        "lng": 133.54916611,
        "address": "比島町１－６－１２"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 128000,
        "lat": 33.56761,
        "lng": 133.54916611,
        "address": "比島町１－６－１２"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 126000,
        "lat": 33.57222611,
        "lng": 133.52163,
        "address": "南久万字西流田７０番１１"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 126000,
        "lat": 33.57222611,
        "lng": 133.52163,
        "address": "南久万字西流田７０番１１"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 117000,
        "lat": 33.56970472,
        "lng": 133.53268139,
        "address": "相模町１０－１５"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 117000,
        "lat": 33.56970472,
        "lng": 133.53268139,
        "address": "相模町１０－１５"
      },
      {
        "municipalityCode": "39201",
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        "pricePerSquareMeter": 112000,
        "lat": 33.566805,
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        "address": "北金田１５－１５"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 112000,
        "lat": 33.566805,
        "lng": 133.55812306,
        "address": "北金田１５－１５"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 100000,
        "lat": 33.577495,
        "lng": 133.55130306,
        "address": "薊野西町３－６－１６"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 100000,
        "lat": 33.577495,
        "lng": 133.55130306,
        "address": "薊野西町３－６－１６"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 98500,
        "lat": 33.57369417,
        "lng": 133.53940861,
        "address": "愛宕山南町２１２番１０"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 98500,
        "lat": 33.57369417,
        "lng": 133.53940861,
        "address": "愛宕山南町２１２番１０"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 95800,
        "lat": 33.56020194,
        "lng": 133.55130694,
        "address": "桜井町２－１－１６"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 95700,
        "lat": 33.56020194,
        "lng": 133.55130694,
        "address": "桜井町２－１－１６"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 95000,
        "lat": 33.56731694,
        "lng": 133.52304694,
        "address": "八反町２－８－６"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 95000,
        "lat": 33.56731694,
        "lng": 133.52304694,
        "address": "八反町２－８－６"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 92700,
        "lat": 33.56446056,
        "lng": 133.51959917,
        "address": "新屋敷２－１３－１９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 92700,
        "lat": 33.56446056,
        "lng": 133.51959917,
        "address": "新屋敷２－１３－１９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 89200,
        "lat": 33.55866278,
        "lng": 133.57817667,
        "address": "高須新町２－１１－１８－２"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 89200,
        "lat": 33.55866278,
        "lng": 133.57817667,
        "address": "高須新町２－１１－１８－２"
      },
      {
        "municipalityCode": "39201",
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        "address": "赤石町字ミドロ８８番４"
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      {
        "municipalityCode": "39201",
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        "address": "赤石町字ミドロ８８番４"
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        "pricePerSquareMeter": 87700,
        "lat": 33.55049611,
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      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 87600,
        "lat": 33.55049611,
        "lng": 133.49973,
        "address": "鴨部３－１－５－２"
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        "municipalityCode": "39201",
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        "pricePerSquareMeter": 84300,
        "lat": 33.58214472,
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        "address": "薊野東町８－７"
      },
      {
        "municipalityCode": "39201",
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        "pricePerSquareMeter": 84200,
        "lat": 33.58214472,
        "lng": 133.56309889,
        "address": "薊野東町８－７"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 83900,
        "lat": 33.54861611,
        "lng": 133.54109194,
        "address": "塩屋崎町２－８－９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 83900,
        "lat": 33.54861611,
        "lng": 133.54109194,
        "address": "塩屋崎町２－８－９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 83300,
        "lat": 33.560785,
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        "address": "旭天神町字陳ケ森２９７番２９"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 83300,
        "lat": 33.54403833,
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        "address": "神田字西ノ川原４４６番３１"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 83300,
        "lat": 33.54403833,
        "lng": 133.50770167,
        "address": "神田字西ノ川原４４６番３１"
      },
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "pricePerSquareMeter": 83200,
        "lat": 33.560785,
        "lng": 133.5062625,
        "address": "旭天神町字陳ケ森２９７番２９"
      }
    ],
    "percentiles": {
      "p25": 23200,
      "p50": 40750,
      "p75": 71300
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  },
  "transactions": {
    "histogram": [
      {
        "label": "0-1000万円",
        "min": 0,
        "max": 10000000,
        "count": 1365
      },
      {
        "label": "1000万-2000万円",
        "min": 10000000,
        "max": 20000000,
        "count": 254
      },
      {
        "label": "2000万-3000万円",
        "min": 20000000,
        "max": 30000000,
        "count": 105
      },
      {
        "label": "3000万-5000万円",
        "min": 30000000,
        "max": 50000000,
        "count": 83
      },
      {
        "label": "5000万-1億円",
        "min": 50000000,
        "max": 100000000,
        "count": 41
      },
      {
        "label": "1億円以上",
        "min": 100000000,
        "max": null,
        "count": 10
      }
    ],
    "municipalitySummary": [
      {
        "municipalityCode": "39201",
        "municipality": "高知市",
        "median": 12000000,
        "average": 17233498,
        "count": 562,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39204",
        "municipality": "南国市",
        "median": 6150000,
        "average": 11642775,
        "count": 102,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39205",
        "municipality": "土佐市",
        "median": 5800000,
        "average": 11562745,
        "count": 51,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39211",
        "municipality": "香南市",
        "median": 5500000,
        "average": 16159467,
        "count": 75,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39303",
        "municipality": "安芸郡田野町",
        "median": 2300000,
        "average": 4243333,
        "count": 18,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39206",
        "municipality": "須崎市",
        "median": 2200000,
        "average": 4180538,
        "count": 26,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39402",
        "municipality": "高岡郡佐川町",
        "median": 2200000,
        "average": 4035641,
        "count": 39,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39403",
        "municipality": "高岡郡越知町",
        "median": 1600000,
        "average": 3196636,
        "count": 22,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39341",
        "municipality": "長岡郡本山町",
        "median": 1430000,
        "average": 1397100,
        "count": 10,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39203",
        "municipality": "安芸市",
        "median": 1400000,
        "average": 6271053,
        "count": 38,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39210",
        "municipality": "四万十市",
        "median": 1300000,
        "average": 5588478,
        "count": 116,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39301",
        "municipality": "安芸郡東洋町",
        "median": 1300000,
        "average": 2046789,
        "count": 38,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "39302",
        "municipality": "安芸郡奈半利町",
        "median": 1130000,
        "average": 2075000,
        "count": 4,
        "lat": null,
        "lng": null
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      {
        "municipalityCode": "39208",
        "municipality": "宿毛市",
        "median": 1000000,
        "average": 3487735,
        "count": 34,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39386",
        "municipality": "吾川郡いの町",
        "median": 990000,
        "average": 5702704,
        "count": 80,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39209",
        "municipality": "土佐清水市",
        "median": 930000,
        "average": 3600208,
        "count": 24,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39424",
        "municipality": "幡多郡大月町",
        "median": 895000,
        "average": 1948750,
        "count": 8,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39401",
        "municipality": "高岡郡中土佐町",
        "median": 750000,
        "average": 1891176,
        "count": 17,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39212",
        "municipality": "香美市",
        "median": 700000,
        "average": 8552918,
        "count": 103,
        "lat": null,
        "lng": null
      },
      {
        "municipalityCode": "39410",
        "municipality": "高岡郡日高村",
        "median": 610000,
        "average": 4261000,
        "count": 23,
        "lat": null,
        "lng": null
      }
    ],
    "sampleCount": 1858,
    "percentiles": {
      "p25": 230000,
      "p50": 2000000,
      "p75": 11000000
    }
  },
  "populationTrend": [
    {
      "year": 2020,
      "value": 691527,
      "sourceId": "estat-population"
    }
  ],
  "hazardRisk": {
    "score": null,
    "level": "要地域確認",
    "summary": "高知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": 20,
    "transactionRank": 45,
    "populationRank": 45
  }
}