{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 2577,
    "price_per_tsubo": 78.84899304144619,
    "prev_price_per_tsubo": 77.25016288505103,
    "change_vs_prev": 2.069678686340424,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8024,
      "floor_total": 956115,
      "cost_total": 15812237,
      "price_per_tsubo": 54.67117967214195,
      "price_per_sqm": 165380.0745726194,
      "cost_per_unit": 1970.6177716849452,
      "floor_per_unit": 119.15690428713859,
      "yoy": null,
      "ratio_national": 0.9757613735359038,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 62.26785839651703,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 9550,
      "floor_total": 1132351,
      "cost_total": 18806740,
      "price_per_tsubo": 54.90447133848074,
      "price_per_sqm": 166085.7808223775,
      "cost_per_unit": 1969.2921465968586,
      "floor_per_unit": 118.57078534031413,
      "yoy": 0.4267178205003441,
      "ratio_national": 0.9731331537051098,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 60.735034666461,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7791,
      "floor_total": 912474,
      "cost_total": 15451291,
      "price_per_tsubo": 55.97827803848657,
      "price_per_sqm": 169334.04129871097,
      "cost_per_unit": 1983.2230779104095,
      "floor_per_unit": 117.11898344243357,
      "yoy": 1.955772770100861,
      "ratio_national": 0.9720478167011151,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 59.93391652942888,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 8536,
      "floor_total": 998201,
      "cost_total": 16967252,
      "price_per_tsubo": 56.19126006593862,
      "price_per_sqm": 169978.31098145564,
      "cost_per_unit": 1987.728678537957,
      "floor_per_unit": 116.9401358950328,
      "yoy": 0.3804726313760831,
      "ratio_national": 0.9648263828687103,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 60.29105157289551,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 8565,
      "floor_total": 1001172,
      "cost_total": 17100760,
      "price_per_tsubo": 56.465344017211834,
      "price_per_sqm": 170807.41371113056,
      "cost_per_unit": 1996.5861062463514,
      "floor_per_unit": 116.89106830122591,
      "yoy": 0.4877697189057173,
      "ratio_national": 0.9668042232632695,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 60.39074226439768,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 8729,
      "floor_total": 1015223,
      "cost_total": 17547403,
      "price_per_tsubo": 57.138214326675026,
      "price_per_sqm": 172842.84339499794,
      "cost_per_unit": 2010.242066674304,
      "floor_per_unit": 116.30461679459273,
      "yoy": 1.1916518373785046,
      "ratio_national": 0.9700359938499131,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 60.019132696087205,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 8714,
      "floor_total": 1008620,
      "cost_total": 17729011,
      "price_per_tsubo": 58.10750061835974,
      "price_per_sqm": 175774.93010251631,
      "cost_per_unit": 2034.5433784714253,
      "floor_per_unit": 115.74707367454671,
      "yoy": 1.696388840825569,
      "ratio_national": 0.976133545482506,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 59.23292621647273,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 8704,
      "floor_total": 997100,
      "cost_total": 17567723,
      "price_per_tsubo": 58.244110937889886,
      "price_per_sqm": 176188.17570955772,
      "cost_per_unit": 2018.350528492647,
      "floor_per_unit": 114.55652573529412,
      "yoy": 0.23509928679841252,
      "ratio_national": 0.9697689917802002,
      "rank_in_national": 36,
      "is_spliced": false,
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      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 7674,
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      "cost_total": 15646182,
      "price_per_tsubo": 58.761103119975004,
      "price_per_sqm": 177752.07475361414,
      "cost_per_unit": 2038.8561376075058,
      "floor_per_unit": 114.70224133437581,
      "yoy": 0.8876299659487108,
      "ratio_national": 0.971475806762261,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 58.761103119975,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
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      "cost_total": 16675032,
      "price_per_tsubo": 59.07914855622814,
      "price_per_sqm": 178714.16077920297,
      "cost_per_unit": 2048.278098513696,
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      "yoy": 0.5412516432915959,
      "ratio_national": 0.9693201604503048,
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      "is_spliced": false,
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      "deflator": 108.7,
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    {
      "fiscal_year": 2022,
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    {
      "fiscal_year": 2023,
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    {
      "fiscal_year": 2024,
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    {
      "fiscal_year": 2025,
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  ]
}