{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "detached",
    "label": "持家・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": 472,
    "price_per_tsubo": 93.24870408503963,
    "prev_price_per_tsubo": 91.74566674883721,
    "change_vs_prev": 1.6382652058294411,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1476,
      "floor_total": 178232,
      "cost_total": 3014897,
      "price_per_tsubo": 55.91934306763095,
      "price_per_sqm": 169155.7632748328,
      "cost_per_unit": 2042.6131436314363,
      "floor_per_unit": 120.75338753387534,
      "yoy": null,
      "ratio_national": 0.9544235599447068,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 63.68945679684619,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1749,
      "floor_total": 209249,
      "cost_total": 3545671,
      "price_per_tsubo": 56.01576941868301,
      "price_per_sqm": 169447.45255652358,
      "cost_per_unit": 2027.256146369354,
      "floor_per_unit": 119.63922241280731,
      "yoy": 0.17243827584927374,
      "ratio_national": 0.9473940260933144,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 61.96434670208297,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1380,
      "floor_total": 165158,
      "cost_total": 2928550,
      "price_per_tsubo": 58.61763465590525,
      "price_per_sqm": 177318.08328994055,
      "cost_per_unit": 2122.1376811594205,
      "floor_per_unit": 119.67971014492754,
      "yoy": 4.6448799404591234,
      "ratio_national": 0.9598074943613928,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 62.75978014550883,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1318,
      "floor_total": 155641,
      "cost_total": 2807920,
      "price_per_tsubo": 59.63977266144525,
      "price_per_sqm": 180410.04619605374,
      "cost_per_unit": 2130.4400606980275,
      "floor_per_unit": 118.0887708649469,
      "yoy": 1.74373806029553,
      "ratio_national": 0.9648692356044442,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 63.99117238352494,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1425,
      "floor_total": 166745,
      "cost_total": 3023061,
      "price_per_tsubo": 59.93346021283997,
      "price_per_sqm": 181298.44972862754,
      "cost_per_unit": 2121.446315789474,
      "floor_per_unit": 117.0140350877193,
      "yoy": 0.4924357325469364,
      "ratio_national": 0.9619083477565167,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 64.09995744688767,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1444,
      "floor_total": 167399,
      "cost_total": 3076383,
      "price_per_tsubo": 60.75231128961343,
      "price_per_sqm": 183775.47058226154,
      "cost_per_unit": 2130.4591412742384,
      "floor_per_unit": 115.92728531855956,
      "yoy": 1.3662669798564897,
      "ratio_national": 0.9633708335936239,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 63.815453035308224,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1457,
      "floor_total": 165438,
      "cost_total": 3053651,
      "price_per_tsubo": 61.01819980470025,
      "price_per_sqm": 184579.78215403957,
      "cost_per_unit": 2095.8483184625943,
      "floor_per_unit": 113.54701441317776,
      "yoy": 0.4376599168701478,
      "ratio_national": 0.9545102064361553,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 62.199999800917695,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1524,
      "floor_total": 171887,
      "cost_total": 3249871,
      "price_per_tsubo": 62.50263867011466,
      "price_per_sqm": 189070.2030985473,
      "cost_per_unit": 2132.461286089239,
      "floor_per_unit": 112.78674540682415,
      "yoy": 2.432780498549003,
      "ratio_national": 0.9642525099832079,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 62.37788290430605,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1399,
      "floor_total": 156394,
      "cost_total": 3036602,
      "price_per_tsubo": 64.18640437344143,
      "price_per_sqm": 194163.58683836975,
      "cost_per_unit": 2170.551822730522,
      "floor_per_unit": 111.78984989278055,
      "yoy": 2.6939113918271307,
      "ratio_national": 0.9847109528545112,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 64.18640437344143,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1457,
      "floor_total": 162609,
      "cost_total": 3241260,
      "price_per_tsubo": 65.89379982288803,
      "price_per_sqm": 199328.45045477187,
      "cost_per_unit": 2224.6122168840084,
      "floor_per_unit": 111.60535346602609,
      "yoy": 2.660057789672776,
      "ratio_national": 0.9977011550112399,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 60.61987104221529,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1359,
      "floor_total": 147716,
      "cost_total": 3054060,
      "price_per_tsubo": 68.34791767581034,
      "price_per_sqm": 206752.1460099109,
      "cost_per_unit": 2247.2847682119204,
      "floor_per_unit": 108.69462840323767,
      "yoy": 3.724353216112264,
      "ratio_national": 0.997591794850224,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 59.27833276306187,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1146,
      "floor_total": 123604,
      "cost_total": 3098163,
      "price_per_tsubo": 82.86039500153717,
      "price_per_sqm": 250652.32516747032,
      "cost_per_unit": 2703.4581151832463,
      "floor_per_unit": 107.85689354275742,
      "yoy": 21.233239898489376,
      "ratio_national": 1.0097796794708462,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 72.1152262850628,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1178,
      "floor_total": 126306,
      "cost_total": 3357395,
      "price_per_tsubo": 87.87264909861764,
      "price_per_sqm": 265814.3714471205,
      "cost_per_unit": 2850.0806451612902,
      "floor_per_unit": 107.22071307300509,
      "yoy": 6.049034761404992,
      "ratio_national": 1.021267564552419,
      "rank_in_national": 9,
      "is_spliced": true,
      "price_per_tsubo_real": 73.65687267277255,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 992,
      "floor_total": 105140,
      "cost_total": 2933684,
      "price_per_tsubo": 92.24028181814724,
      "price_per_sqm": 279026.440935895,
      "cost_per_unit": 2957.342741935484,
      "floor_per_unit": 105.98790322580645,
      "yoy": 4.970412027328197,
      "ratio_national": 1.0094620637077443,
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      "is_spliced": false,
      "price_per_tsubo_real": 75.23677146667801,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}