{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "company",
    "building_type": "all",
    "label": "給与住宅"
  },
  "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": 2014,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 41,
      "floor_total": 1256,
      "cost_total": 37580,
      "price_per_tsubo": 98.91050015923567,
      "price_per_sqm": 299203.821656051,
      "cost_per_unit": 916.5853658536586,
      "floor_per_unit": 30.634146341463413,
      "yoy": null,
      "ratio_national": 1.1578673413885012,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 98.71307401121324,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 20,
      "floor_total": 1060,
      "cost_total": 29477,
      "price_per_tsubo": 91.9290300283019,
      "price_per_sqm": 278084.90566037735,
      "cost_per_unit": 1473.85,
      "floor_per_unit": 53,
      "yoy": null,
      "ratio_national": 0.9155757111097043,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 78.97682992122157,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2024,
      "units": 27,
      "floor_total": 1206,
      "cost_total": 64500,
      "price_per_tsubo": 176.8022014925373,
      "price_per_sqm": 534825.8706467662,
      "cost_per_unit": 2388.8888888888887,
      "floor_per_unit": 44.666666666666664,
      "yoy": null,
      "ratio_national": 1.4010659092751654,
      "rank_in_national": 1,
      "is_spliced": true,
      "price_per_tsubo_real": 145.63608030686763,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 33,
      "floor_total": 1268,
      "cost_total": 55143,
      "price_per_tsubo": 143.76275865141957,
      "price_per_sqm": 434881.70347003156,
      "cost_per_unit": 1671,
      "floor_per_unit": 38.42424242424242,
      "yoy": -18.68723497909176,
      "ratio_national": 1.0805238549393656,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 115.65789111135926,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}