{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 40,
    "price_per_tsubo": 77.96174385245902,
    "prev_price_per_tsubo": 113.01619935948757,
    "change_vs_prev": -31.017195504447628,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2015,
      "units": 12,
      "floor_total": 1292,
      "cost_total": 23802,
      "price_per_tsubo": 60.9012489009288,
      "price_per_sqm": 184226.00619195047,
      "cost_per_unit": 1983.5,
      "floor_per_unit": 107.66666666666667,
      "yoy": null,
      "ratio_national": 1.0405258897580245,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 65.13502556249068,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 26,
      "floor_total": 1632,
      "cost_total": 28806,
      "price_per_tsubo": 58.349624227941185,
      "price_per_sqm": 176507.35294117648,
      "cost_per_unit": 1107.923076923077,
      "floor_per_unit": 62.76923076923077,
      "yoy": null,
      "ratio_national": 1.0143124684855906,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 61.22730768934017,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 26,
      "floor_total": 2293,
      "cost_total": 38759,
      "price_per_tsubo": 55.87837532054077,
      "price_per_sqm": 169031.83602267771,
      "cost_per_unit": 1490.7307692307693,
      "floor_per_unit": 88.1923076923077,
      "yoy": -4.235243911334463,
      "ratio_national": 0.9606316867358161,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 57.07699215581283,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 21,
      "floor_total": 1410,
      "cost_total": 24257,
      "price_per_tsubo": 56.87131065957447,
      "price_per_sqm": 172035.4609929078,
      "cost_per_unit": 1155.095238095238,
      "floor_per_unit": 67.14285714285714,
      "yoy": 1.7769581404932122,
      "ratio_national": 0.9136190132585533,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 56.814496163411064,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 10,
      "floor_total": 1048,
      "cost_total": 13508,
      "price_per_tsubo": 42.60936194656489,
      "price_per_sqm": 128893.12977099237,
      "cost_per_unit": 1350.8,
      "floor_per_unit": 104.8,
      "yoy": null,
      "ratio_national": 0.7228830903713364,
      "rank_in_national": 35,
      "is_spliced": false,
      "price_per_tsubo_real": 38.63042787539881,
      "deflator": 110.3,
      "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": 37.57178096127334,
      "ratio_national": 0.8928433585840889,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 50.23004120490523,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 38,
      "floor_total": 2897,
      "cost_total": 61547,
      "price_per_tsubo": 70.23177671039005,
      "price_per_sqm": 212450.81118398343,
      "cost_per_unit": 1619.657894736842,
      "floor_per_unit": 76.23684210526316,
      "yoy": 19.811709491237274,
      "ratio_national": 0.7753281753955743,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 61.177505845287506,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 124,
      "floor_total": 4753,
      "cost_total": 114158,
      "price_per_tsubo": 79.39877442036608,
      "price_per_sqm": 240180.93835472333,
      "cost_per_unit": 920.6290322580645,
      "floor_per_unit": 38.33064516129032,
      "yoy": 13.052492958817407,
      "ratio_national": 0.8460785890174045,
      "rank_in_national": 30,
      "is_spliced": true,
      "price_per_tsubo_real": 66.83398520232835,
      "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": 36.1664513727205,
      "ratio_national": 1.0682292781269953,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 88.4010576955387,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}