{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 438,
    "price_per_tsubo": 90.84120433088849,
    "prev_price_per_tsubo": 89.87018108069432,
    "change_vs_prev": 1.0804732320749224,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1292,
      "floor_total": 153365,
      "cost_total": 2503542,
      "price_per_tsubo": 53.96396901626838,
      "price_per_sqm": 163240.76549408273,
      "cost_per_unit": 1937.7260061919505,
      "floor_per_unit": 118.70356037151703,
      "yoy": null,
      "ratio_national": 0.9764893273773735,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 61.39245621873536,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1568,
      "floor_total": 185554,
      "cost_total": 3066370,
      "price_per_tsubo": 54.629785842935206,
      "price_per_sqm": 165254.85842396284,
      "cost_per_unit": 1955.593112244898,
      "floor_per_unit": 118.33801020408163,
      "yoy": 1.2338173763054794,
      "ratio_national": 0.9761020059342884,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 60.23129640896936,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1245,
      "floor_total": 146153,
      "cost_total": 2514452,
      "price_per_tsubo": 56.87362063782474,
      "price_per_sqm": 172042.44866680808,
      "cost_per_unit": 2019.6401606425702,
      "floor_per_unit": 117.39196787148595,
      "yoy": 4.1073468626451115,
      "ratio_national": 0.9866728798358112,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 60.82740175168422,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1199,
      "floor_total": 139499,
      "cost_total": 2452135,
      "price_per_tsubo": 58.1096879665804,
      "price_per_sqm": 175781.54682112415,
      "cost_per_unit": 2045.1501251042534,
      "floor_per_unit": 116.34612176814012,
      "yoy": 2.1733579028263783,
      "ratio_national": 0.9962640567910854,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 62.1493988947384,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1289,
      "floor_total": 149441,
      "cost_total": 2628064,
      "price_per_tsubo": 58.135502911249255,
      "price_per_sqm": 175859.63691356455,
      "cost_per_unit": 2038.8394103956555,
      "floor_per_unit": 115.9356089992242,
      "yoy": 0.044424510907203896,
      "ratio_national": 0.9901218124433885,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 61.912143675451816,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1326,
      "floor_total": 151558,
      "cost_total": 2700502,
      "price_per_tsubo": 58.90347264136502,
      "price_per_sqm": 178182.74192058487,
      "cost_per_unit": 2036.5776772247361,
      "floor_per_unit": 114.2971342383107,
      "yoy": 1.3209995470206293,
      "ratio_national": 0.9925497070669412,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 61.80847076743444,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1353,
      "floor_total": 151866,
      "cost_total": 2726286,
      "price_per_tsubo": 59.34527146260519,
      "price_per_sqm": 179519.18138358818,
      "cost_per_unit": 2014.9933481152993,
      "floor_per_unit": 112.2439024390244,
      "yoy": 0.7500386673805703,
      "ratio_national": 0.9879559545475671,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 60.61825481369273,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1412,
      "floor_total": 157569,
      "cost_total": 2904659,
      "price_per_tsubo": 60.93960535136988,
      "price_per_sqm": 184342.0342833933,
      "cost_per_unit": 2057.1239376770536,
      "floor_per_unit": 111.59277620396601,
      "yoy": 2.686539044259506,
      "ratio_national": 1.0017528433176026,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 60.87872662474514,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1299,
      "floor_total": 143323,
      "cost_total": 2704994,
      "price_per_tsubo": 62.391536007898246,
      "price_per_sqm": 188734.11804106808,
      "cost_per_unit": 2082.3664357197845,
      "floor_per_unit": 110.33333333333333,
      "yoy": 2.382573119987774,
      "ratio_national": 1.0181679570948818,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 62.39153600789824,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1340,
      "floor_total": 147733,
      "cost_total": 2842750,
      "price_per_tsubo": 63.61161367128536,
      "price_per_sqm": 192424.84752898812,
      "cost_per_unit": 2121.455223880597,
      "floor_per_unit": 110.24850746268656,
      "yoy": 1.9555179138924572,
      "ratio_national": 1.0312143904310922,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 57.67145391775645,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1238,
      "floor_total": 132882,
      "cost_total": 2631522,
      "price_per_tsubo": 65.46604590824941,
      "price_per_sqm": 198034.49677157178,
      "cost_per_unit": 2125.6235864297255,
      "floor_per_unit": 107.33602584814217,
      "yoy": 2.9152416201023934,
      "ratio_national": 1.0316556278834026,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 56.09772571400978,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1052,
      "floor_total": 112205,
      "cost_total": 2751552,
      "price_per_tsubo": 81.06637927079898,
      "price_per_sqm": 245225.43558664943,
      "cost_per_unit": 2615.5437262357414,
      "floor_per_unit": 106.65874524714829,
      "yoy": 23.82965573392566,
      "ratio_national": 1.0382569026984119,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 70.61531295365765,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1086,
      "floor_total": 115086,
      "cost_total": 2980521,
      "price_per_tsubo": 85.61403225926698,
      "price_per_sqm": 258982.0655857359,
      "cost_per_unit": 2744.4944751381217,
      "floor_per_unit": 105.97237569060773,
      "yoy": 5.609789199141058,
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      "is_spliced": true,
      "price_per_tsubo_real": 72.06568371992171,
      "deflator": 118.8,
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    },
    {
      "fiscal_year": 2025,
      "units": 913,
      "floor_total": 95189,
      "cost_total": 2590621,
      "price_per_tsubo": 89.96889341825211,
      "price_per_sqm": 272155.5011608484,
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      "is_spliced": false,
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      "deflator_provisional": true
    }
  ]
}