{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 2402,
    "price_per_tsubo": 76.28090919221633,
    "prev_price_per_tsubo": 74.46433721934541,
    "change_vs_prev": 2.439519427293007,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 7199,
      "floor_total": 848574,
      "cost_total": 13550657,
      "price_per_tsubo": 52.78929875771589,
      "price_per_sqm": 159687.39320318558,
      "cost_per_unit": 1882.2971246006389,
      "floor_per_unit": 117.87387137102375,
      "yoy": null,
      "ratio_national": 0.9932046640824843,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 60.05608504859601,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 8646,
      "floor_total": 1016913,
      "cost_total": 16366859,
      "price_per_tsubo": 53.20553362343681,
      "price_per_sqm": 160946.5018148062,
      "cost_per_unit": 1892.997802452001,
      "floor_per_unit": 117.61658570437196,
      "yoy": 0.7884834152302123,
      "ratio_national": 0.99225723522853,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 58.66100730257641,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7053,
      "floor_total": 818616,
      "cost_total": 13375314,
      "price_per_tsubo": 54.0130894925826,
      "price_per_sqm": 163389.35471576417,
      "cost_per_unit": 1896.400680561463,
      "floor_per_unit": 116.0663547426627,
      "yoy": 1.5178042849100848,
      "ratio_national": 0.9896652576861913,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 57.76801015249477,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7711,
      "floor_total": 896956,
      "cost_total": 14680163,
      "price_per_tsubo": 54.1047008367969,
      "price_per_sqm": 163666.47862325466,
      "cost_per_unit": 1903.7949682272078,
      "floor_per_unit": 116.32161846712489,
      "yoy": 0.16960952442255373,
      "ratio_national": 0.9800516164328235,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 57.86599019978278,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 7734,
      "floor_total": 899267,
      "cost_total": 14703555,
      "price_per_tsubo": 54.05164993650384,
      "price_per_sqm": 163505.99988657428,
      "cost_per_unit": 1901.1578743211792,
      "floor_per_unit": 116.27450219808637,
      "yoy": -0.09805229392744197,
      "ratio_national": 0.9767327671334839,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 57.562992477639874,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 7835,
      "floor_total": 907172,
      "cost_total": 14972970,
      "price_per_tsubo": 54.56241429001336,
      "price_per_sqm": 165051.05977697726,
      "cost_per_unit": 1911.0363752393107,
      "floor_per_unit": 115.78455647734525,
      "yoy": 0.9449560820243619,
      "ratio_national": 0.9787843432603193,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 57.25332034628894,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 7939,
      "floor_total": 914466,
      "cost_total": 15420588,
      "price_per_tsubo": 55.7453482190918,
      "price_per_sqm": 168629.42963434398,
      "cost_per_unit": 1942.3841793676786,
      "floor_per_unit": 115.18654742410882,
      "yoy": 2.1680380981509373,
      "ratio_national": 0.9909289608990273,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 56.941111561891525,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 7874,
      "floor_total": 897765,
      "cost_total": 15017774,
      "price_per_tsubo": 55.29911180705418,
      "price_per_sqm": 167279.56647897835,
      "cost_per_unit": 1907.261112522225,
      "floor_per_unit": 114.01638303276607,
      "yoy": -0.8004908504361863,
      "ratio_national": 0.975789415010608,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 55.24386793911506,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 6998,
      "floor_total": 799060,
      "cost_total": 13517762,
      "price_per_tsubo": 55.92431412156784,
      "price_per_sqm": 169170.8006908117,
      "cost_per_unit": 1931.6607602172048,
      "floor_per_unit": 114.18405258645328,
      "yoy": 1.1305829227331365,
      "ratio_national": 0.9792694583355314,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 55.92431412156784,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 7443,
      "floor_total": 847934,
      "cost_total": 14399564,
      "price_per_tsubo": 56.13872621638005,
      "price_per_sqm": 169819.39632094008,
      "cost_per_unit": 1934.6451699583502,
      "floor_per_unit": 113.92368668547628,
      "yoy": 0.3833969145265126,
      "ratio_national": 0.9801879747976628,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 50.89639729499551,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 7133,
      "floor_total": 793607,
      "cost_total": 13538714,
      "price_per_tsubo": 56.39585506939833,
      "price_per_sqm": 170597.20995404528,
      "cost_per_unit": 1898.0392541707556,
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      "yoy": 0.4580240243200473,
      "ratio_national": 0.9614429259106263,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 48.32549706032419,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 6489,
      "floor_total": 715057,
      "cost_total": 14627507,
      "price_per_tsubo": 67.62463183428734,
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      "floor_per_unit": 110.19525350593312,
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      "ratio_national": 0.9834722143861881,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 58.90647372324681,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 6128,
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      "cost_total": 14452361,
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    {
      "fiscal_year": 2025,
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  ]
}