{
  "area": {
    "code": "00000",
    "name": "全国",
    "slug": "japan"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "all",
    "building_type": "detached",
    "label": "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": 8547,
    "price_per_tsubo": 124.8266796853622,
    "prev_price_per_tsubo": 120.27961370706427,
    "change_vs_prev": 3.7804128548102085,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 47037,
      "floor_total": 6166460,
      "cost_total": 137947506,
      "price_per_tsubo": 73.95255719809097,
      "price_per_sqm": 223706.15555764572,
      "cost_per_unit": 2932.744562790994,
      "floor_per_unit": 131.09807173076516,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 84.22842505477331,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 48173,
      "floor_total": 6307141,
      "cost_total": 144197446,
      "price_per_tsubo": 75.57885181452896,
      "price_per_sqm": 228625.68951605808,
      "cost_per_unit": 2993.32501608785,
      "floor_per_unit": 130.9268885060096,
      "yoy": 2.1991053156982243,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 83.69751031509298,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 40006,
      "floor_total": 5183936,
      "cost_total": 123024368,
      "price_per_tsubo": 78.4524973862949,
      "price_per_sqm": 237318.45454882158,
      "cost_per_unit": 3075.147927810828,
      "floor_per_unit": 129.57896315552668,
      "yoy": 3.802182095618334,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 83.81677071185352,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 39496,
      "floor_total": 5072321,
      "cost_total": 122956326,
      "price_per_tsubo": 80.13447747639394,
      "price_per_sqm": 242406.4368165974,
      "cost_per_unit": 3113.1336337856997,
      "floor_per_unit": 128.42619505772737,
      "yoy": 2.143947160556392,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 85.79708509249886,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 39978,
      "floor_total": 5071788,
      "cost_total": 125477750,
      "price_per_tsubo": 81.78636235830442,
      "price_per_sqm": 247403.38121388355,
      "cost_per_unit": 3138.6700185101804,
      "floor_per_unit": 126.86447546150383,
      "yoy": 2.06139096919562,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 87.5656984564287,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 38148,
      "floor_total": 4815772,
      "cost_total": 121885649,
      "price_per_tsubo": 83.6684875462771,
      "price_per_sqm": 253096.801509706,
      "cost_per_unit": 3195.07310999266,
      "floor_per_unit": 126.23917374436405,
      "yoy": 2.301270204104622,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 87.88706675029107,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 38291,
      "floor_total": 4810005,
      "cost_total": 124812246,
      "price_per_tsubo": 85.78017584271534,
      "price_per_sqm": 259484.64918435636,
      "cost_per_unit": 3259.5713353007236,
      "floor_per_unit": 125.61711629364602,
      "yoy": 2.5238753064231734,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 87.44156558890452,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 36133,
      "floor_total": 4515583,
      "cost_total": 121277338,
      "price_per_tsubo": 88.78530439746541,
      "price_per_sqm": 268575.1496539871,
      "cost_per_unit": 3356.414856225611,
      "floor_per_unit": 124.97116209559128,
      "yoy": 3.503290271006443,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 88.60808822102337,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 31185,
      "floor_total": 3866969,
      "cost_total": 106865123,
      "price_per_tsubo": 91.35673313185858,
      "price_per_sqm": 276353.71010214975,
      "cost_per_unit": 3426.8117043450375,
      "floor_per_unit": 124.00092993426327,
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      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 91.35673313185858,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 33422,
      "floor_total": 4199349,
      "cost_total": 119691747,
      "price_per_tsubo": 94.22312370682455,
      "price_per_sqm": 285024.5288019643,
      "cost_per_unit": 3581.226347914547,
      "floor_per_unit": 125.64625097241338,
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      "ratio_national": null,
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      "is_spliced": false,
      "price_per_tsubo_real": 87.00196094812979,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 30845,
      "floor_total": 3823876,
      "cost_total": 115851540,
      "price_per_tsubo": 100.15514687625853,
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      "cost_per_unit": 3755.9260820230184,
      "floor_per_unit": 123.97069217053007,
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      "price_per_tsubo_real": 86.04394061534238,
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    },
    {
      "fiscal_year": 2023,
      "units": 25950,
      "floor_total": 3152068,
      "cost_total": 102584044,
      "price_per_tsubo": 107.58692604815631,
      "price_per_sqm": 325449.97125696525,
      "cost_per_unit": 3953.1423506743736,
      "floor_per_unit": 121.46697495183044,
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      "is_spliced": false,
      "price_per_tsubo_real": 91.95463764799685,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 23247,
      "floor_total": 2816206,
      "cost_total": 97167516,
      "price_per_tsubo": 114.05962586459938,
      "price_per_sqm": 345029.85932137066,
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      "price_per_tsubo_real": 93.953563315156,
      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 20797,
      "floor_total": 2495229,
      "cost_total": 91514467,
      "price_per_tsubo": 121.24242298559773,
      "price_per_sqm": 366757.788563695,
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  ]
}