{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "apartment",
    "label": "貸家・共同住宅"
  },
  "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": 58,
    "price_per_tsubo": 97.58235694822888,
    "prev_price_per_tsubo": 121.7096080760095,
    "change_vs_prev": -19.82362075532508,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 32,
      "floor_total": 1039,
      "cost_total": 14900,
      "price_per_tsubo": 47.407383060635226,
      "price_per_sqm": 143407.12223291627,
      "cost_per_unit": 465.625,
      "floor_per_unit": 32.46875,
      "yoy": null,
      "ratio_national": 0.9060282028705597,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 52.26833854535305,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 10,
      "floor_total": 450,
      "cost_total": 8200,
      "price_per_tsubo": 60.238839999999996,
      "price_per_sqm": 182222.22222222222,
      "cost_per_unit": 820,
      "floor_per_unit": 45,
      "yoy": 27.066368381804608,
      "ratio_national": 1.1228328134807282,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 64.42656684491979,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 63,
      "floor_total": 2458,
      "cost_total": 47573,
      "price_per_tsubo": 63.98142704231082,
      "price_per_sqm": 193543.53132628152,
      "cost_per_unit": 755.1269841269841,
      "floor_per_unit": 39.01587301587302,
      "yoy": 6.212913532715469,
      "ratio_national": 1.1764694193934722,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 68.42933373509179,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 62,
      "floor_total": 2111,
      "cost_total": 29510,
      "price_per_tsubo": 46.212156750355284,
      "price_per_sqm": 139791.56797726196,
      "cost_per_unit": 475.96774193548384,
      "floor_per_unit": 34.04838709677419,
      "yoy": -27.7725444920207,
      "ratio_national": 0.8454291625021899,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 49.21422444127293,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 77,
      "floor_total": 2307,
      "cost_total": 44455,
      "price_per_tsubo": 63.70129798439532,
      "price_per_sqm": 192696.14217598614,
      "cost_per_unit": 577.3376623376623,
      "floor_per_unit": 29.961038961038962,
      "yoy": 37.84532569756243,
      "ratio_national": 1.1507356027156328,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 66.84291498887231,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 35,
      "floor_total": 1469,
      "cost_total": 25100,
      "price_per_tsubo": 56.4842266848196,
      "price_per_sqm": 170864.5336963921,
      "cost_per_unit": 717.1428571428571,
      "floor_per_unit": 41.97142857142857,
      "yoy": -11.329551403087034,
      "ratio_national": 1.010241806713096,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 57.69583931033667,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 38,
      "floor_total": 1201,
      "cost_total": 17292,
      "price_per_tsubo": 47.59676992506245,
      "price_per_sqm": 143980.01665278935,
      "cost_per_unit": 455.05263157894734,
      "floor_per_unit": 31.605263157894736,
      "yoy": -15.734404596435226,
      "ratio_national": 0.8572491092150517,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 47.5492207043581,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 72,
      "floor_total": 3411,
      "cost_total": 109860,
      "price_per_tsubo": 106.47144221635884,
      "price_per_sqm": 322075.63764291996,
      "cost_per_unit": 1525.8333333333333,
      "floor_per_unit": 47.375,
      "yoy": 123.69468008856512,
      "ratio_national": 1.8902053585296776,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 106.47144221635885,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 34,
      "floor_total": 1455,
      "cost_total": 26400,
      "price_per_tsubo": 59.981344329896906,
      "price_per_sqm": 181443.29896907217,
      "cost_per_unit": 776.4705882352941,
      "floor_per_unit": 42.794117647058826,
      "yoy": -43.66438259753276,
      "ratio_national": 1.0683450397403211,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 54.38018524922658,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 55,
      "floor_total": 1661,
      "cost_total": 31335,
      "price_per_tsubo": 62.36419605659242,
      "price_per_sqm": 188651.4148103552,
      "cost_per_unit": 569.7272727272727,
      "floor_per_unit": 30.2,
      "yoy": 3.9726547534344236,
      "ratio_national": 1.0729187601171477,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 53.43975668945365,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 15,
      "floor_total": 1185,
      "cost_total": 36700,
      "price_per_tsubo": 102.3818506329114,
      "price_per_sqm": 309704.641350211,
      "cost_per_unit": 2446.6666666666665,
      "floor_per_unit": 79,
      "yoy": 64.16767489475039,
      "ratio_national": 1.5471206134648718,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 89.18279671856394,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 75,
      "floor_total": 2938,
      "cost_total": 80735,
      "price_per_tsubo": 90.84171397208985,
      "price_per_sqm": 274795.7794417971,
      "cost_per_unit": 1076.4666666666667,
      "floor_per_unit": 39.17333333333333,
      "yoy": -11.27166249631346,
      "ratio_national": 1.2943214622988781,
      "rank_in_national": 1,
      "is_spliced": true,
      "price_per_tsubo_real": 76.46608920209583,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 92,
      "floor_total": 3588,
      "cost_total": 110880,
      "price_per_tsubo": 102.15886153846154,
      "price_per_sqm": 309030.10033444816,
      "cost_per_unit": 1205.2173913043478,
      "floor_per_unit": 39,
      "yoy": 12.458095594551155,
      "ratio_national": 1.3897951628533174,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 83.53136675262594,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}