{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "all",
    "label": "新築住宅すべて"
  },
  "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": 965,
    "price_per_tsubo": 91.53675484082328,
    "prev_price_per_tsubo": 91.72196855142776,
    "change_vs_prev": -0.20192949794861192,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 2437,
      "floor_total": 251193,
      "cost_total": 4143543,
      "price_per_tsubo": 54.53051245046638,
      "price_per_sqm": 164954.55685468944,
      "cost_per_unit": 1700.2638489946655,
      "floor_per_unit": 103.07468198604842,
      "yoy": null,
      "ratio_national": 0.9645085004784489,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 62.10764515998449,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 3252,
      "floor_total": 320865,
      "cost_total": 5288895,
      "price_per_tsubo": 54.49013199336169,
      "price_per_sqm": 164832.40615212006,
      "cost_per_unit": 1626.3514760147602,
      "floor_per_unit": 98.66697416974169,
      "yoy": -0.07405112347215193,
      "ratio_national": 0.9438981167466128,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 60.276694682922226,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2564,
      "floor_total": 255936,
      "cost_total": 4447759,
      "price_per_tsubo": 57.449351496506935,
      "price_per_sqm": 173784.03194548638,
      "cost_per_unit": 1734.6953978159127,
      "floor_per_unit": 99.81903276131045,
      "yoy": 5.430743870295185,
      "ratio_national": 0.9541447093222498,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 61.50894164508237,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2571,
      "floor_total": 244677,
      "cost_total": 4333319,
      "price_per_tsubo": 58.546747822680516,
      "price_per_sqm": 177103.65093572342,
      "cost_per_unit": 1685.4605211979774,
      "floor_per_unit": 95.16802800466745,
      "yoy": 1.9101979353767007,
      "ratio_national": 0.9446614778429868,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 62.81839895137394,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2804,
      "floor_total": 259817,
      "cost_total": 4552147,
      "price_per_tsubo": 57.91938953621203,
      "price_per_sqm": 175205.89491834637,
      "cost_per_unit": 1623.44757489301,
      "floor_per_unit": 92.65941512125535,
      "yoy": -1.0715510422005914,
      "ratio_national": 0.9263106976740519,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 61.9458711617241,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 3067,
      "floor_total": 277180,
      "cost_total": 5180409,
      "price_per_tsubo": 61.78419896136084,
      "price_per_sqm": 186896.92618515046,
      "cost_per_unit": 1689.0802086729702,
      "floor_per_unit": 90.37495924356048,
      "yoy": 6.672738535568445,
      "ratio_national": 0.9811213208714582,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 64.89936865689164,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3268,
      "floor_total": 290788,
      "cost_total": 5382841,
      "price_per_tsubo": 61.19421004095768,
      "price_per_sqm": 185112.21233338377,
      "cost_per_unit": 1647.1361689106486,
      "floor_per_unit": 88.98041615667074,
      "yoy": -0.9549187823445604,
      "ratio_national": 0.961397909817276,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 62.37941900199559,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 3120,
      "floor_total": 285175,
      "cost_total": 5408116,
      "price_per_tsubo": 62.69166578991847,
      "price_per_sqm": 189642.00929253967,
      "cost_per_unit": 1733.3705128205129,
      "floor_per_unit": 91.40224358974359,
      "yoy": 2.4470546281397,
      "ratio_national": 0.9715709093345879,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 62.566532724469525,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 3123,
      "floor_total": 284692,
      "cost_total": 5179574,
      "price_per_tsubo": 60.14423985731949,
      "price_per_sqm": 181936.05721270706,
      "cost_per_unit": 1658.5251360870957,
      "floor_per_unit": 91.15978226064681,
      "yoy": -4.063420393287154,
      "ratio_national": 0.9183606373401251,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 60.14423985731949,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 2789,
      "floor_total": 260769,
      "cost_total": 5189193,
      "price_per_tsubo": 65.78382525327014,
      "price_per_sqm": 198995.7778723698,
      "cost_per_unit": 1860.5926855503765,
      "floor_per_unit": 93.49910362136967,
      "yoy": 9.376767267039154,
      "ratio_national": 0.9936116648031719,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 60.51869848506912,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 2568,
      "floor_total": 233315,
      "cost_total": 4763827,
      "price_per_tsubo": 67.49763906448364,
      "price_per_sqm": 204180.05700447893,
      "cost_per_unit": 1855.0728193146417,
      "floor_per_unit": 90.8547507788162,
      "yoy": 2.6052206672616762,
      "ratio_national": 0.9740981994614715,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 58.54088383736655,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 2278,
      "floor_total": 207293,
      "cost_total": 4961389,
      "price_per_tsubo": 79.12138925245908,
      "price_per_sqm": 239341.84945946076,
      "cost_per_unit": 2177.9582967515366,
      "floor_per_unit": 90.99780509218613,
      "yoy": 17.220972983767236,
      "ratio_national": 1.0066355586157067,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 68.8610872519226,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 2042,
      "floor_total": 185527,
      "cost_total": 4709745,
      "price_per_tsubo": 83.92001123044085,
      "price_per_sqm": 253857.65953203576,
      "cost_per_unit": 2306.4373163565133,
      "floor_per_unit": 90.85553379040157,
      "yoy": 6.064885896619443,
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      "is_spliced": true,
      "price_per_tsubo_real": 70.34368083021026,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 2168,
      "floor_total": 187624,
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      "price_per_tsubo": 90.57932257834818,
      "price_per_sqm": 274002.04664648446,
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      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}