{
  "area": {
    "code": "00000",
    "name": "全国",
    "slug": "japan"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "company",
    "building_type": "apartment",
    "label": "給与住宅・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": 268,
    "price_per_tsubo": 120.49571978171896,
    "prev_price_per_tsubo": 107.47816319633061,
    "change_vs_prev": 12.111815273218937,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 617,
      "floor_total": 25964,
      "cost_total": 461627,
      "price_per_tsubo": 58.7753011989678,
      "price_per_sqm": 177795.0238792174,
      "cost_per_unit": 748.1799027552674,
      "floor_per_unit": 42.08103727714749,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 66.94225649085172,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 458,
      "floor_total": 29063,
      "cost_total": 390175,
      "price_per_tsubo": 44.38071132539655,
      "price_per_sqm": 134251.4537384303,
      "cost_per_unit": 851.910480349345,
      "floor_per_unit": 63.456331877729255,
      "yoy": -24.49088236033412,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 49.14807455747126,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 840,
      "floor_total": 28571,
      "cost_total": 577913,
      "price_per_tsubo": 66.86706857547863,
      "price_per_sqm": 202272.58408876133,
      "cost_per_unit": 687.9916666666667,
      "floor_per_unit": 34.01309523809524,
      "yoy": 50.66695998902213,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 71.43917582850281,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 618,
      "floor_total": 29287,
      "cost_total": 629596,
      "price_per_tsubo": 71.06607576194216,
      "price_per_sqm": 214974.56209239594,
      "cost_per_unit": 1018.7637540453075,
      "floor_per_unit": 47.38996763754045,
      "yoy": 6.279634020031466,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 76.08787554811794,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 840,
      "floor_total": 30961,
      "cost_total": 663562,
      "price_per_tsubo": 70.85031568683182,
      "price_per_sqm": 214321.88882788023,
      "cost_per_unit": 789.9547619047619,
      "floor_per_unit": 36.858333333333334,
      "yoy": -0.30360488150927845,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 75.85686904371714,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 604,
      "floor_total": 25562,
      "cost_total": 432162,
      "price_per_tsubo": 55.8890860644707,
      "price_per_sqm": 169064.2359752758,
      "cost_per_unit": 715.5,
      "floor_per_unit": 42.32119205298013,
      "yoy": -21.11667319661894,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 58.70702317696502,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1419,
      "floor_total": 60286,
      "cost_total": 1232391,
      "price_per_tsubo": 67.57830746591247,
      "price_per_sqm": 204424.0785588694,
      "cost_per_unit": 868.492600422833,
      "floor_per_unit": 42.484848484848484,
      "yoy": 20.915034087259365,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 68.88716357381496,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 878,
      "floor_total": 37757,
      "cost_total": 985729,
      "price_per_tsubo": 86.30487249807982,
      "price_per_sqm": 261071.85422570648,
      "cost_per_unit": 1122.6981776765376,
      "floor_per_unit": 43.00341685649203,
      "yoy": 27.710911584480424,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 86.13260728351278,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 907,
      "floor_total": 34831,
      "cost_total": 971954,
      "price_per_tsubo": 92.24759018288307,
      "price_per_sqm": 279048.5487066119,
      "cost_per_unit": 1071.614112458655,
      "floor_per_unit": 38.40242557883131,
      "yoy": 6.8857267414832,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 92.24759018288307,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 575,
      "floor_total": 21646,
      "cost_total": 585481,
      "price_per_tsubo": 89.41500669823523,
      "price_per_sqm": 270479.996304167,
      "cost_per_unit": 1018.2278260869565,
      "floor_per_unit": 37.64521739130435,
      "yoy": -3.0706314159884007,
      "ratio_national": null,
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      "is_spliced": false,
      "price_per_tsubo_real": 82.5623330546955,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 546,
      "floor_total": 22219,
      "cost_total": 566087,
      "price_per_tsubo": 84.22362589360458,
      "price_per_sqm": 254776.09253341734,
      "cost_per_unit": 1036.7893772893774,
      "floor_per_unit": 40.6941391941392,
      "yoy": -5.805939065856059,
      "ratio_national": null,
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      "price_per_tsubo_real": 72.35706691890427,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 439,
      "floor_total": 16553,
      "cost_total": 492473,
      "price_per_tsubo": 98.35149632513745,
      "price_per_sqm": 297512.83755210537,
      "cost_per_unit": 1121.8063781321184,
      "floor_per_unit": 37.70615034168565,
      "yoy": 16.77423677933303,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 84.06110797020294,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1361,
      "floor_total": 50514,
      "cost_total": 1888327,
      "price_per_tsubo": 123.57786976541158,
      "price_per_sqm": 373822.50465217564,
      "cost_per_unit": 1387.455547391624,
      "floor_per_unit": 37.11535635562087,
      "yoy": 25.649201469064554,
      "ratio_national": null,
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      "is_spliced": true,
      "price_per_tsubo_real": 101.79396191549553,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 841,
      "floor_total": 37390,
      "cost_total": 1376124,
      "price_per_tsubo": 121.66827916448248,
      "price_per_sqm": 368046.00160470715,
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      "deflator": 124.3,
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    }
  ]
}