{
  "area": {
    "code": "00000",
    "name": "全国",
    "slug": "japan"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "company",
    "building_type": "detached",
    "label": "給与住宅・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": 45,
    "price_per_tsubo": 140.89136715043395,
    "prev_price_per_tsubo": 137.290896,
    "change_vs_prev": 2.622512675883428,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 70,
      "floor_total": 11906,
      "cost_total": 279265,
      "price_per_tsubo": 77.54001716361499,
      "price_per_sqm": 234558.20594658155,
      "cost_per_unit": 3989.5,
      "floor_per_unit": 170.0857142857143,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 88.31437034580296,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 88,
      "floor_total": 17339,
      "cost_total": 429814,
      "price_per_tsubo": 81.94675719822366,
      "price_per_sqm": 247888.5748889786,
      "cost_per_unit": 4884.25,
      "floor_per_unit": 197.0340909090909,
      "yoy": 5.683181660006786,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 90.74945426159874,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 67,
      "floor_total": 13836,
      "cost_total": 334333,
      "price_per_tsubo": 79.88108471162185,
      "price_per_sqm": 241639.92483376697,
      "cost_per_unit": 4990.044776119403,
      "floor_per_unit": 206.50746268656715,
      "yoy": -2.52074951740322,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 85.34303922181823,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 80,
      "floor_total": 16649,
      "cost_total": 400694,
      "price_per_tsubo": 79.56094770016217,
      "price_per_sqm": 240671.51180251065,
      "cost_per_unit": 5008.675,
      "floor_per_unit": 208.1125,
      "yoy": -0.4007669808383296,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 85.1830275162336,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 93,
      "floor_total": 15027,
      "cost_total": 376414,
      "price_per_tsubo": 82.8073226232781,
      "price_per_sqm": 250491.7814600386,
      "cost_per_unit": 4047.462365591398,
      "floor_per_unit": 161.58064516129033,
      "yoy": 4.080362309597407,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 88.65880366517997,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 86,
      "floor_total": 15222,
      "cost_total": 385954,
      "price_per_tsubo": 83.81834671265274,
      "price_per_sqm": 253550.12481934042,
      "cost_per_unit": 4487.837209302325,
      "floor_per_unit": 177,
      "yoy": 1.2209356097336643,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 88.04448184102178,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 88,
      "floor_total": 16043,
      "cost_total": 463040,
      "price_per_tsubo": 95.41313978682291,
      "price_per_sqm": 288624.32213426416,
      "cost_per_unit": 5261.818181818182,
      "floor_per_unit": 182.3068181818182,
      "yoy": 13.833240011187065,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 97.2611007001253,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 100,
      "floor_total": 17760,
      "cost_total": 454734,
      "price_per_tsubo": 84.6427426722973,
      "price_per_sqm": 256043.9189189189,
      "cost_per_unit": 4547.34,
      "floor_per_unit": 177.6,
      "yoy": -11.288169678295256,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 84.47379508213302,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 89,
      "floor_total": 18013,
      "cost_total": 551780,
      "price_per_tsubo": 101.26402077388552,
      "price_per_sqm": 306323.21101426746,
      "cost_per_unit": 6199.775280898876,
      "floor_per_unit": 202.3932584269663,
      "yoy": 19.636979588361324,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 101.26402077388552,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 116,
      "floor_total": 21662,
      "cost_total": 615209,
      "price_per_tsubo": 93.88568738389807,
      "price_per_sqm": 284003.78543070814,
      "cost_per_unit": 5303.525862068966,
      "floor_per_unit": 186.74137931034483,
      "yoy": -7.286233880108983,
      "ratio_national": null,
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      "is_spliced": false,
      "price_per_tsubo_real": 86.69038539602776,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 165,
      "floor_total": 34952,
      "cost_total": 1203101,
      "price_per_tsubo": 113.79031971818493,
      "price_per_sqm": 344215.20943007554,
      "cost_per_unit": 7291.521212121213,
      "floor_per_unit": 211.83030303030304,
      "yoy": 21.2009230468718,
      "ratio_national": null,
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      "price_per_tsubo_real": 97.75800663074307,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 131,
      "floor_total": 25942,
      "cost_total": 877429,
      "price_per_tsubo": 111.81080926335672,
      "price_per_sqm": 338227.19913653535,
      "cost_per_unit": 6697.9312977099235,
      "floor_per_unit": 198.03053435114504,
      "yoy": -1.739612349917552,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 95.56479424218523,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 121,
      "floor_total": 24432,
      "cost_total": 1010656,
      "price_per_tsubo": 136.7475645972495,
      "price_per_sqm": 413660.77275703993,
      "cost_per_unit": 8352.528925619834,
      "floor_per_unit": 201.91735537190084,
      "yoy": 22.30263379559063,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": true,
      "price_per_tsubo_real": 112.64214546725657,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 110,
      "floor_total": 21982,
      "cost_total": 1027411,
      "price_per_tsubo": 154.50846190928942,
      "price_per_sqm": 467387.4078791739,
      "cost_per_unit": 9340.1,
      "floor_per_unit": 199.83636363636364,
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      "is_spliced": false,
      "price_per_tsubo_real": 124.30286557464957,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}