{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 592,
    "price_per_tsubo": 89.17526348839863,
    "prev_price_per_tsubo": 86.76133801979827,
    "change_vs_prev": 2.782259383839275,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1783,
      "floor_total": 210119,
      "cost_total": 3501746,
      "price_per_tsubo": 55.092766048477294,
      "price_per_sqm": 166655.37147997087,
      "cost_per_unit": 1963.9629837352777,
      "floor_per_unit": 117.84576556365676,
      "yoy": null,
      "ratio_national": 0.9832857712917952,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 62.74802511216093,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 2063,
      "floor_total": 243238,
      "cost_total": 4069711,
      "price_per_tsubo": 55.31047750224061,
      "price_per_sqm": 167313.94765620504,
      "cost_per_unit": 1972.7149781871062,
      "floor_per_unit": 117.90499272903538,
      "yoy": 0.3951724870226103,
      "ratio_national": 0.9803292535660412,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 61.18415652902722,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1685,
      "floor_total": 196830,
      "cost_total": 3413669,
      "price_per_tsubo": 57.33309375354367,
      "price_per_sqm": 173432.35279174923,
      "cost_per_unit": 2025.9163204747774,
      "floor_per_unit": 116.81305637982196,
      "yoy": 3.656841059130489,
      "ratio_national": 0.995573829004462,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 61.38446868687759,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1609,
      "floor_total": 185907,
      "cost_total": 3285079,
      "price_per_tsubo": 58.41512857186658,
      "price_per_sqm": 176705.50328927906,
      "cost_per_unit": 2041.6898694841516,
      "floor_per_unit": 115.5419515226849,
      "yoy": 1.8872779183593869,
      "ratio_national": 1.0030110935164565,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 62.67717657925599,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1699,
      "floor_total": 195304,
      "cost_total": 3483559,
      "price_per_tsubo": 58.964048389229106,
      "price_per_sqm": 178365.98328759268,
      "cost_per_unit": 2050.358446144791,
      "floor_per_unit": 114.95232489699823,
      "yoy": 0.9396877671632664,
      "ratio_national": 1.0095872432129278,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 63.06315335746429,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1739,
      "floor_total": 197765,
      "cost_total": 3589011,
      "price_per_tsubo": 59.993005201577624,
      "price_per_sqm": 181478.57305387707,
      "cost_per_unit": 2063.836112708453,
      "floor_per_unit": 113.72340425531915,
      "yoy": 1.7450579471006478,
      "ratio_national": 1.0185018049747976,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 63.01786260669918,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1772,
      "floor_total": 197765,
      "cost_total": 3621856,
      "price_per_tsubo": 60.54203396071094,
      "price_per_sqm": 183139.38260056128,
      "cost_per_unit": 2043.9367945823928,
      "floor_per_unit": 111.60553047404063,
      "yoy": 0.9151546205904637,
      "ratio_national": 1.0170306695676157,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 61.71461158074509,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1854,
      "floor_total": 205578,
      "cost_total": 3856940,
      "price_per_tsubo": 62.02139179581473,
      "price_per_sqm": 187614.43345105022,
      "cost_per_unit": 2080.3344120819847,
      "floor_per_unit": 110.88349514563107,
      "yoy": 2.443521861296949,
      "ratio_national": 1.0326610127978555,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 61.897596602609504,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1784,
      "floor_total": 193753,
      "cost_total": 3697340,
      "price_per_tsubo": 63.083563085990924,
      "price_per_sqm": 190827.4968645647,
      "cost_per_unit": 2072.5,
      "floor_per_unit": 108.60594170403587,
      "yoy": 1.712588607609855,
      "ratio_national": 1.0429374550248758,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 63.083563085990924,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1892,
      "floor_total": 206229,
      "cost_total": 4029215,
      "price_per_tsubo": 64.5871271976783,
      "price_per_sqm": 195375.77159371378,
      "cost_per_unit": 2129.6062367864693,
      "floor_per_unit": 109.00052854122622,
      "yoy": 2.383448299579749,
      "ratio_national": 1.0596903650142038,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 59.4177803106516,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1793,
      "floor_total": 189373,
      "cost_total": 3804412,
      "price_per_tsubo": 66.41172260818595,
      "price_per_sqm": 200895.16456939478,
      "cost_per_unit": 2121.813720022309,
      "floor_per_unit": 105.61795872838817,
      "yoy": 2.825014038669371,
      "ratio_national": 1.0560791451552332,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 57.59906557518296,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1521,
      "floor_total": 159716,
      "cost_total": 3842986,
      "price_per_tsubo": 79.54184107378096,
      "price_per_sqm": 240613.71434295876,
      "cost_per_unit": 2526.6180144641685,
      "floor_per_unit": 105.00723208415516,
      "yoy": 19.770784358447855,
      "ratio_national": 1.097025144481257,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 69.22701573000953,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1522,
      "floor_total": 159007,
      "cost_total": 4018680,
      "price_per_tsubo": 83.54922838114045,
      "price_per_sqm": 252736.04306728634,
      "cost_per_unit": 2640.394218134034,
      "floor_per_unit": 104.47240473061761,
      "yoy": 5.038087191925,
      "ratio_national": 1.0983748494838124,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 70.0328821300423,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 1301,
      "floor_total": 135709,
      "cost_total": 3586613,
      "price_per_tsubo": 87.36774561208173,
      "price_per_sqm": 264287.0406531623,
      "cost_per_unit": 2756.8124519600306,
      "floor_per_unit": 104.31129900076864,
      "yoy": 4.5703800082051105,
      "ratio_national": 1.0998332521081742,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 71.2624352463962,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}