{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "all",
    "building_type": "detached",
    "label": "一戸建"
  },
  "unit": {
    "price_per_tsubo": "万円/坪",
    "price_per_sqm": "円/㎡",
    "cost": "万円",
    "floor": "㎡",
    "yoy": "%"
  },
  "formula": "price_per_tsubo = cost_total / floor_total * 3.30579",
  "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)",
  "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8",
  "last_verified_at": "2026-10-13T11:03:37.415Z",
  "provisional": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 548,
    "price_per_tsubo": 86.60546454380504,
    "prev_price_per_tsubo": 85.0174007039827,
    "change_vs_prev": 1.8679280084693772,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1574,
      "floor_total": 182261,
      "cost_total": 2929115,
      "price_per_tsubo": 53.12732332122615,
      "price_per_sqm": 160709.91599958303,
      "cost_per_unit": 1860.9371029224906,
      "floor_per_unit": 115.79479034307496,
      "yoy": null,
      "ratio_national": 0.9995644298106428,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 60.440640866013815,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1848,
      "floor_total": 215369,
      "cost_total": 3512247,
      "price_per_tsubo": 53.910966806411324,
      "price_per_sqm": 163080.43404575402,
      "cost_per_unit": 1900.5665584415585,
      "floor_per_unit": 116.54166666666667,
      "yoy": 1.4750291115684266,
      "ratio_national": 1.0054132198058263,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 59.43877266418007,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1528,
      "floor_total": 175390,
      "cost_total": 2954045,
      "price_per_tsubo": 55.67850174211756,
      "price_per_sqm": 168427.2193397571,
      "cost_per_unit": 1933.2755235602094,
      "floor_per_unit": 114.78403141361257,
      "yoy": 3.278618508277309,
      "ratio_national": 1.020180095081599,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 59.549199724189904,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1481,
      "floor_total": 168701,
      "cost_total": 2909416,
      "price_per_tsubo": 57.011626004825104,
      "price_per_sqm": 172459.91428622237,
      "cost_per_unit": 1964.4942606347063,
      "floor_per_unit": 113.91019581363943,
      "yoy": 2.394324956662963,
      "ratio_national": 1.0327076087165423,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 60.975001074679255,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1552,
      "floor_total": 176769,
      "cost_total": 3064662,
      "price_per_tsubo": 57.312814990071786,
      "price_per_sqm": 173371.00962272796,
      "cost_per_unit": 1974.653350515464,
      "floor_per_unit": 113.89755154639175,
      "yoy": 0.5282939750239635,
      "ratio_national": 1.035663193320146,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 61.036011704016815,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1610,
      "floor_total": 180790,
      "cost_total": 3182407,
      "price_per_tsubo": 58.19110147978317,
      "price_per_sqm": 176027.82233530615,
      "cost_per_unit": 1976.6503105590061,
      "floor_per_unit": 112.2919254658385,
      "yoy": 1.5324434681205812,
      "ratio_national": 1.0438786440560606,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 61.06096692527091,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1652,
      "floor_total": 182439,
      "cost_total": 3251198,
      "price_per_tsubo": 58.911624358936415,
      "price_per_sqm": 178207.4008298664,
      "cost_per_unit": 1968.0375302663438,
      "floor_per_unit": 110.43523002421307,
      "yoy": 1.238201135277639,
      "ratio_national": 1.047212665735605,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 60.1753057803232,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1724,
      "floor_total": 189460,
      "cost_total": 3467964,
      "price_per_tsubo": 60.51071841845244,
      "price_per_sqm": 183044.65322495514,
      "cost_per_unit": 2011.5800464037122,
      "floor_per_unit": 109.89559164733178,
      "yoy": 2.714394785268648,
      "ratio_national": 1.0677516617885574,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 60.45026815030214,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1672,
      "floor_total": 179383,
      "cost_total": 3328548,
      "price_per_tsubo": 61.34071061873198,
      "price_per_sqm": 185555.37592748477,
      "cost_per_unit": 1990.7583732057417,
      "floor_per_unit": 107.28648325358851,
      "yoy": 1.371644928324689,
      "ratio_national": 1.074113923524293,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 61.34071061873199,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1764,
      "floor_total": 190255,
      "cost_total": 3596888,
      "price_per_tsubo": 62.49799680176606,
      "price_per_sqm": 189056.16146750413,
      "cost_per_unit": 2039.0521541950113,
      "floor_per_unit": 107.85430839002268,
      "yoy": 1.886652716215309,
      "ratio_national": 1.091221497935584,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 56.661828469416186,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1665,
      "floor_total": 173729,
      "cost_total": 3359610,
      "price_per_tsubo": 63.92810147931549,
      "price_per_sqm": 193382.22173615228,
      "cost_per_unit": 2017.7837837837837,
      "floor_per_unit": 104.34174174174174,
      "yoy": 2.288240824878751,
      "ratio_national": 1.089853515981813,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 54.779864163937866,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1415,
      "floor_total": 146718,
      "cost_total": 3444447,
      "price_per_tsubo": 77.60887176849467,
      "price_per_sqm": 234766.4908191224,
      "cost_per_unit": 2434.2381625441694,
      "floor_per_unit": 103.68763250883393,
      "yoy": 21.400244919842827,
      "ratio_national": 1.1286740778302609,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 67.60354683666783,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1423,
      "floor_total": 147080,
      "cost_total": 3622675,
      "price_per_tsubo": 81.4237339424123,
      "price_per_sqm": 246306.43187381016,
      "cost_per_unit": 2545.801124385102,
      "floor_per_unit": 103.35910049191848,
      "yoy": 4.915497528809931,
      "ratio_national": 1.1244319206395903,
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      "is_spliced": true,
      "price_per_tsubo_real": 68.53849658452214,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 1215,
      "floor_total": 125052,
      "cost_total": 3221535,
      "price_per_tsubo": 85.1623179769216,
      "price_per_sqm": 257615.6318971308,
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      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}