{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・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": 2012,
      "units": 13,
      "floor_total": 757,
      "cost_total": 13722,
      "price_per_tsubo": 59.92344832232497,
      "price_per_sqm": 181268.1638044914,
      "cost_per_unit": 1055.5384615384614,
      "floor_per_unit": 58.23076923076923,
      "yoy": null,
      "ratio_national": 0.9293812437580632,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 68.2499411416002,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 26,
      "floor_total": 2324,
      "cost_total": 41858,
      "price_per_tsubo": 59.54120388123924,
      "price_per_sqm": 180111.8760757315,
      "cost_per_unit": 1609.923076923077,
      "floor_per_unit": 89.38461538461539,
      "yoy": -0.6378879249899994,
      "ratio_national": 0.9098422551647907,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 65.93710285851522,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 21,
      "floor_total": 1435,
      "cost_total": 31370,
      "price_per_tsubo": 72.26664271777004,
      "price_per_sqm": 218606.27177700348,
      "cost_per_unit": 1493.8095238095239,
      "floor_per_unit": 68.33333333333333,
      "yoy": 21.37249166461754,
      "ratio_national": 1.0033615846999004,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 77.2079516215492,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 25,
      "floor_total": 2156,
      "cost_total": 43494,
      "price_per_tsubo": 66.68925336734694,
      "price_per_sqm": 201734.693877551,
      "cost_per_unit": 1739.76,
      "floor_per_unit": 86.24,
      "yoy": -7.717792249191691,
      "ratio_national": 0.9509606602564462,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 71.40177020058557,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 26,
      "floor_total": 2303,
      "cost_total": 40537,
      "price_per_tsubo": 58.187932796352584,
      "price_per_sqm": 176018.23708206686,
      "cost_per_unit": 1559.1153846153845,
      "floor_per_unit": 88.57692307692308,
      "yoy": -12.747661942121624,
      "ratio_national": 0.7999925299796646,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 62.299713914724386,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 17,
      "floor_total": 1089,
      "cost_total": 22651,
      "price_per_tsubo": 68.75982487603306,
      "price_per_sqm": 207998.16345270892,
      "cost_per_unit": 1332.4117647058824,
      "floor_per_unit": 64.05882352941177,
      "yoy": 18.168530091419854,
      "ratio_national": 0.8937620040816932,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 72.22670680255574,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 15,
      "floor_total": 1211,
      "cost_total": 30341,
      "price_per_tsubo": 82.8249169199009,
      "price_per_sqm": 250545.00412881916,
      "cost_per_unit": 2022.7333333333333,
      "floor_per_unit": 80.73333333333333,
      "yoy": null,
      "ratio_national": 1.0675291728351999,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 82.659597724452,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2024,
      "units": 13,
      "floor_total": 1526,
      "cost_total": 43660,
      "price_per_tsubo": 94.58112149410223,
      "price_per_sqm": 286107.47051114024,
      "cost_per_unit": 3358.4615384615386,
      "floor_per_unit": 117.38461538461539,
      "yoy": null,
      "ratio_national": 0.870611995454908,
      "rank_in_national": 10,
      "is_spliced": true,
      "price_per_tsubo_real": 77.90866679909574,
      "deflator": 121.4,
      "deflator_provisional": true
    }
  ]
}