{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": null,
  "years": [
    {
      "fiscal_year": 2017,
      "units": 12,
      "floor_total": 1610,
      "cost_total": 29966,
      "price_per_tsubo": 61.52875971428572,
      "price_per_sqm": 186124.22360248448,
      "cost_per_unit": 2497.1666666666665,
      "floor_per_unit": 134.16666666666666,
      "yoy": null,
      "ratio_national": 0.8521944289467925,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 64.63105012004803,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 11,
      "floor_total": 1320,
      "cost_total": 26421,
      "price_per_tsubo": 66.16839211363636,
      "price_per_sqm": 200159.0909090909,
      "cost_per_unit": 2401.909090909091,
      "floor_per_unit": 120,
      "yoy": null,
      "ratio_national": 0.8739392960457888,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 60.87248584511165,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 14,
      "floor_total": 1587,
      "cost_total": 30442,
      "price_per_tsubo": 63.412009565217396,
      "price_per_sqm": 191821.04599873975,
      "cost_per_unit": 2174.4285714285716,
      "floor_per_unit": 113.35714285714286,
      "yoy": -4.165708823157144,
      "ratio_national": 0.6927464382018657,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 54.99740638787285,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 21,
      "floor_total": 2762,
      "cost_total": 65331,
      "price_per_tsubo": 78.19354326212888,
      "price_per_sqm": 236535.11947863866,
      "cost_per_unit": 3111,
      "floor_per_unit": 131.52380952380952,
      "yoy": 23.310306357203704,
      "ratio_national": 0.7072761413733102,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 68.0535624561609,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 12,
      "floor_total": 1507,
      "cost_total": 36108,
      "price_per_tsubo": 79.20734261446583,
      "price_per_sqm": 239601.85799601857,
      "cost_per_unit": 3009,
      "floor_per_unit": 125.58333333333333,
      "yoy": 1.2965256593352903,
      "ratio_national": 0.7052783145747744,
      "rank_in_national": 27,
      "is_spliced": true,
      "price_per_tsubo_real": 66.39341375898226,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 16,
      "floor_total": 1982,
      "cost_total": 71281,
      "price_per_tsubo": 118.8900186629667,
      "price_per_sqm": 359641.7759838547,
      "cost_per_unit": 4455.0625,
      "floor_per_unit": 123.875,
      "yoy": 50.09974421393291,
      "ratio_national": 0.9462801848870303,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 96.97391408072325,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}