{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "all",
    "building_type": "apartment",
    "label": "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": 44,
    "price_per_tsubo": 92.66623937007874,
    "prev_price_per_tsubo": 91.20925544554456,
    "change_vs_prev": 1.5974079795049647,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 119,
      "floor_total": 6427,
      "cost_total": 106076,
      "price_per_tsubo": 54.56122297183756,
      "price_per_sqm": 165047.45604481094,
      "cost_per_unit": 891.3949579831933,
      "floor_per_unit": 54.00840336134454,
      "yoy": null,
      "ratio_national": 0.870210559788761,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 62.14262297475804,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 165,
      "floor_total": 7754,
      "cost_total": 132608,
      "price_per_tsubo": 56.5352334691772,
      "price_per_sqm": 171018.82899148826,
      "cost_per_unit": 803.6848484848484,
      "floor_per_unit": 46.99393939393939,
      "yoy": 3.6179733331097585,
      "ratio_national": 0.8723642340578592,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 62.608231970295904,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 168,
      "floor_total": 9626,
      "cost_total": 181204,
      "price_per_tsubo": 62.229625094535635,
      "price_per_sqm": 188244.33825057137,
      "cost_per_unit": 1078.595238095238,
      "floor_per_unit": 57.29761904761905,
      "yoy": 10.072288157194919,
      "ratio_national": 0.9039094311423106,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 66.4846421950167,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 165,
      "floor_total": 7779,
      "cost_total": 156331,
      "price_per_tsubo": 66.43494748553799,
      "price_per_sqm": 200965.41971975833,
      "cost_per_unit": 947.4606060606061,
      "floor_per_unit": 47.14545454545455,
      "yoy": 6.757749841195215,
      "ratio_national": 0.9392669254758038,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 71.12949409586507,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 180,
      "floor_total": 9005,
      "cost_total": 182070,
      "price_per_tsubo": 66.83899892282066,
      "price_per_sqm": 202187.67351471406,
      "cost_per_unit": 1011.5,
      "floor_per_unit": 50.02777777777778,
      "yoy": 0.6081910990757278,
      "ratio_national": 0.9209794252701102,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 71.56209734777373,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 213,
      "floor_total": 12030,
      "cost_total": 261370,
      "price_per_tsubo": 71.8233027680798,
      "price_per_sqm": 217265.17040731505,
      "cost_per_unit": 1227.0892018779343,
      "floor_per_unit": 56.478873239436616,
      "yoy": 7.457179080456511,
      "ratio_national": 0.958689919904047,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 75.4446457647897,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 290,
      "floor_total": 13657,
      "cost_total": 310624,
      "price_per_tsubo": 75.18911275975691,
      "price_per_sqm": 227446.73061433696,
      "cost_per_unit": 1071.1172413793104,
      "floor_per_unit": 47.09310344827586,
      "yoy": 4.686236725350046,
      "ratio_national": 0.9893447956213361,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 76.64537488252489,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 222,
      "floor_total": 10778,
      "cost_total": 241656,
      "price_per_tsubo": 74.11987272592317,
      "price_per_sqm": 224212.2842827983,
      "cost_per_unit": 1088.5405405405406,
      "floor_per_unit": 48.549549549549546,
      "yoy": -1.4220676299907309,
      "ratio_national": 0.9445890771609406,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 73.9719288681868,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 158,
      "floor_total": 9261,
      "cost_total": 206243,
      "price_per_tsubo": 73.62013248785227,
      "price_per_sqm": 222700.57229240902,
      "cost_per_unit": 1305.3354430379748,
      "floor_per_unit": 58.61392405063291,
      "yoy": -0.6742324557393875,
      "ratio_national": 0.9057759569821074,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 73.62013248785227,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 250,
      "floor_total": 13742,
      "cost_total": 333204,
      "price_per_tsubo": 80.15590533837869,
      "price_per_sqm": 242471.25600349295,
      "cost_per_unit": 1332.816,
      "floor_per_unit": 54.968,
      "yoy": 8.8776977569347,
      "ratio_national": 0.9654172426799931,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 74.01283964762575,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 88,
      "floor_total": 4771,
      "cost_total": 117326,
      "price_per_tsubo": 81.29430256549989,
      "price_per_sqm": 245914.90253615595,
      "cost_per_unit": 1333.25,
      "floor_per_unit": 54.21590909090909,
      "yoy": 1.420228768317755,
      "ratio_national": 0.9212820707555078,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 69.84046612156347,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 90,
      "floor_total": 5355,
      "cost_total": 143600,
      "price_per_tsubo": 88.64826218487396,
      "price_per_sqm": 268160.5975723623,
      "cost_per_unit": 1595.5555555555557,
      "floor_per_unit": 59.5,
      "yoy": 9.046094729023446,
      "ratio_national": 0.9002685100825131,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 75.76774545715723,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 83,
      "floor_total": 4239,
      "cost_total": 118300,
      "price_per_tsubo": 92.25641825902335,
      "price_per_sqm": 279075.2535975466,
      "cost_per_unit": 1425.301204819277,
      "floor_per_unit": 51.0722891566265,
      "yoy": 4.0701938032633445,
      "ratio_national": 0.8556051499593089,
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      "is_spliced": true,
      "price_per_tsubo_real": 75.99375474384131,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 70,
      "floor_total": 3644,
      "cost_total": 100995,
      "price_per_tsubo": 91.62136691822172,
      "price_per_sqm": 277154.22612513724,
      "cost_per_unit": 1442.7857142857142,
      "floor_per_unit": 52.05714285714286,
      "yoy": -0.6883546454390044,
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      "is_spliced": false,
      "price_per_tsubo_real": 73.70986879985658,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}