{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 10,
      "floor_total": 1272,
      "cost_total": 22806,
      "price_per_tsubo": 59.27031976415095,
      "price_per_sqm": 179292.45283018867,
      "cost_per_unit": 2280.6,
      "floor_per_unit": 127.2,
      "yoy": null,
      "ratio_national": 0.9979994760598732,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 62.19341003583521,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 13,
      "floor_total": 1463,
      "cost_total": 25942,
      "price_per_tsubo": 58.6184580861244,
      "price_per_sqm": 177320.57416267943,
      "cost_per_unit": 1995.5384615384614,
      "floor_per_unit": 112.53846153846153,
      "yoy": null,
      "ratio_national": 0.8850664727167898,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 50.23004120490523,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 19,
      "floor_total": 2337,
      "cost_total": 51747,
      "price_per_tsubo": 73.19842324775352,
      "price_per_sqm": 221424.90372272144,
      "cost_per_unit": 2723.5263157894738,
      "floor_per_unit": 123,
      "yoy": 24.87265212641332,
      "ratio_national": 0.7763548808187408,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 63.761692724523975,
      "deflator": 114.8,
      "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": 8.209083065046375,
      "ratio_national": 0.8093680307616113,
      "rank_in_national": 24,
      "is_spliced": true,
      "price_per_tsubo_real": 66.67284731857393,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 14,
      "floor_total": 1679,
      "cost_total": 54911,
      "price_per_tsubo": 108.11449356164383,
      "price_per_sqm": 327045.8606313282,
      "cost_per_unit": 3922.214285714286,
      "floor_per_unit": 119.92857142857143,
      "yoy": 36.495544469760574,
      "ratio_national": 1.027621522449852,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 88.4010576955387,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}