{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・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": null,
  "years": [
    {
      "fiscal_year": 2012,
      "units": 38,
      "floor_total": 2804,
      "cost_total": 53210,
      "price_per_tsubo": 62.732198965763196,
      "price_per_sqm": 189764.62196861627,
      "cost_per_unit": 1400.2631578947369,
      "floor_per_unit": 73.78947368421052,
      "yoy": null,
      "ratio_national": 1.3278968761813008,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 71.3676893808455,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 21,
      "floor_total": 1858,
      "cost_total": 31091,
      "price_per_tsubo": 55.31771630247579,
      "price_per_sqm": 167335.84499461786,
      "cost_per_unit": 1480.5238095238096,
      "floor_per_unit": 88.47619047619048,
      "yoy": -11.81926153638253,
      "ratio_national": 1.1106880347782104,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 60.98976439082225,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 27,
      "floor_total": 2093,
      "cost_total": 30054,
      "price_per_tsubo": 47.468806813186816,
      "price_per_sqm": 143592.92881032013,
      "cost_per_unit": 1113.111111111111,
      "floor_per_unit": 77.51851851851852,
      "yoy": -14.188780763058517,
      "ratio_national": 0.8917254552749734,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 50.768777340306755,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 32,
      "floor_total": 2686,
      "cost_total": 42100,
      "price_per_tsubo": 51.81450446760983,
      "price_per_sqm": 156738.64482501862,
      "cost_per_unit": 1315.625,
      "floor_per_unit": 83.9375,
      "yoy": 9.154849144461274,
      "ratio_national": 0.9530952871818432,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 55.41658231829928,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 13,
      "floor_total": 995,
      "cost_total": 14590,
      "price_per_tsubo": 48.47384532663317,
      "price_per_sqm": 146633.16582914573,
      "cost_per_unit": 1122.3076923076924,
      "floor_per_unit": 76.53846153846153,
      "yoy": -6.447343606393008,
      "ratio_national": 0.8939396881112052,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 51.62283847351775,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 39,
      "floor_total": 3580,
      "cost_total": 59838,
      "price_per_tsubo": 55.25471006145251,
      "price_per_sqm": 167145.25139664803,
      "cost_per_unit": 1534.3076923076924,
      "floor_per_unit": 91.7948717948718,
      "yoy": 13.988708114917614,
      "ratio_national": 1.0174780037033966,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 57.979758721356255,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 28,
      "floor_total": 2341,
      "cost_total": 30974,
      "price_per_tsubo": 43.73923086715079,
      "price_per_sqm": 132310.97821443828,
      "cost_per_unit": 1106.2142857142858,
      "floor_per_unit": 83.60714285714286,
      "yoy": -20.840719608327653,
      "ratio_national": 0.82015131731474,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 44.67745747410704,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14,
      "floor_total": 1203,
      "cost_total": 19286,
      "price_per_tsubo": 52.99706229426434,
      "price_per_sqm": 160315.8769742311,
      "cost_per_unit": 1377.5714285714287,
      "floor_per_unit": 85.92857142857143,
      "yoy": 21.165967584643575,
      "ratio_national": 0.9815550910607478,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 52.94411817608825,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 36,
      "floor_total": 2927,
      "cost_total": 42199,
      "price_per_tsubo": 47.66007250085411,
      "price_per_sqm": 144171.50666211138,
      "cost_per_unit": 1172.1944444444443,
      "floor_per_unit": 81.30555555555556,
      "yoy": -10.070350246541548,
      "ratio_national": 0.8635415796338242,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 47.66007250085411,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 21,
      "floor_total": 2091,
      "cost_total": 36515,
      "price_per_tsubo": 57.72880050215208,
      "price_per_sqm": 174629.36394069824,
      "cost_per_unit": 1738.8095238095239,
      "floor_per_unit": 99.57142857142857,
      "yoy": 21.12612816759254,
      "ratio_national": 1.042814034981299,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 52.33798776260389,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 32,
      "floor_total": 2543,
      "cost_total": 38636,
      "price_per_tsubo": 50.22512876130554,
      "price_per_sqm": 151930.79040503342,
      "cost_per_unit": 1207.375,
      "floor_per_unit": 79.46875,
      "yoy": -12.998142479275677,
      "ratio_national": 0.857620343205542,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 43.037813848590865,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 28,
      "floor_total": 2124,
      "cost_total": 68609,
      "price_per_tsubo": 106.78293131355932,
      "price_per_sqm": 323017.89077212807,
      "cost_per_unit": 2450.3214285714284,
      "floor_per_unit": 75.85714285714286,
      "yoy": 112.60857651763168,
      "ratio_national": 1.5369169603876454,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 93.01649069125376,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 34,
      "floor_total": 2669,
      "cost_total": 73132,
      "price_per_tsubo": 90.58038002248033,
      "price_per_sqm": 274005.24541026604,
      "cost_per_unit": 2150.9411764705883,
      "floor_per_unit": 78.5,
      "yoy": -15.173353167746939,
      "ratio_national": 1.2608820924343123,
      "rank_in_national": 3,
      "is_spliced": true,
      "price_per_tsubo_real": 76.24611113003394,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 28,
      "floor_total": 2094,
      "cost_total": 73046,
      "price_per_tsubo": 115.31744810888253,
      "price_per_sqm": 348834.7659980898,
      "cost_per_unit": 2608.785714285714,
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      "yoy": 27.309521201239086,
      "ratio_national": 1.4752425306244135,
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      "price_per_tsubo_real": 94.29063622966683,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}