{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 53,
    "price_per_tsubo": 75.82798781505558,
    "prev_price_per_tsubo": 77.68257542575651,
    "change_vs_prev": -2.3873920252211747,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 132,
      "floor_total": 8671,
      "cost_total": 122286,
      "price_per_tsubo": 46.62113204244032,
      "price_per_sqm": 141028.71641102526,
      "cost_per_unit": 926.4090909090909,
      "floor_per_unit": 65.68939393939394,
      "yoy": null,
      "ratio_national": 0.932989761844212,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 53.099239228291935,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 190,
      "floor_total": 13524,
      "cost_total": 213821,
      "price_per_tsubo": 52.26614341836735,
      "price_per_sqm": 158104.85063590654,
      "cost_per_unit": 1125.3736842105263,
      "floor_per_unit": 71.17894736842105,
      "yoy": 12.108267492921954,
      "ratio_national": 1.0053502744237697,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 57.81653033005237,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 172,
      "floor_total": 13754,
      "cost_total": 228395,
      "price_per_tsubo": 54.895005602006684,
      "price_per_sqm": 166057.1470117784,
      "cost_per_unit": 1327.8779069767443,
      "floor_per_unit": 79.96511627906976,
      "yoy": 5.029761164118152,
      "ratio_national": 0.9753960463713792,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 58.77409593362599,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 192,
      "floor_total": 14906,
      "cost_total": 246707,
      "price_per_tsubo": 54.71364105259627,
      "price_per_sqm": 165508.52005903664,
      "cost_per_unit": 1284.9322916666667,
      "floor_per_unit": 77.63541666666667,
      "yoy": -0.33038442645459964,
      "ratio_national": 0.9616052831265558,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 58.70562344699171,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 213,
      "floor_total": 16594,
      "cost_total": 248304,
      "price_per_tsubo": 49.466125115101846,
      "price_per_sqm": 149634.80776184163,
      "cost_per_unit": 1165.7464788732395,
      "floor_per_unit": 77.90610328638498,
      "yoy": -9.590873201894912,
      "ratio_national": 0.8673625757037013,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 52.90494664716775,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 189,
      "floor_total": 13679,
      "cost_total": 212892,
      "price_per_tsubo": 51.44939284158199,
      "price_per_sqm": 155634.18378536444,
      "cost_per_unit": 1126.4126984126983,
      "floor_per_unit": 72.37566137566138,
      "yoy": 4.009345227396155,
      "ratio_national": 0.8931287521366857,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 54.04347987561133,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 174,
      "floor_total": 13385,
      "cost_total": 227858,
      "price_per_tsubo": 56.27573386776242,
      "price_per_sqm": 170233.84385506163,
      "cost_per_unit": 1309.528735632184,
      "floor_per_unit": 76.92528735632185,
      "yoy": 9.380754095662969,
      "ratio_national": 0.9955225196665631,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 57.36568182238779,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 189,
      "floor_total": 13930,
      "cost_total": 234879,
      "price_per_tsubo": 55.74017583704235,
      "price_per_sqm": 168613.7832017229,
      "cost_per_unit": 1242.7460317460318,
      "floor_per_unit": 73.70370370370371,
      "yoy": -0.9516677862940526,
      "ratio_national": 0.9727906568073609,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 55.628918001040276,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 118,
      "floor_total": 8674,
      "cost_total": 149654,
      "price_per_tsubo": 57.0353581577127,
      "price_per_sqm": 172531.7039428176,
      "cost_per_unit": 1268.2542372881355,
      "floor_per_unit": 73.50847457627118,
      "yoy": 2.3236064494249975,
      "ratio_national": 0.96591860012558,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 57.0353581577127,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 87,
      "floor_total": 7807,
      "cost_total": 137434,
      "price_per_tsubo": 58.19494592801332,
      "price_per_sqm": 176039.45177404894,
      "cost_per_unit": 1579.7011494252874,
      "floor_per_unit": 89.73563218390805,
      "yoy": 2.0331033375720287,
      "ratio_national": 0.9761934342557723,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 53.53720876542164,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 116,
      "floor_total": 9255,
      "cost_total": 162258,
      "price_per_tsubo": 57.95687453484603,
      "price_per_sqm": 175319.2868719611,
      "cost_per_unit": 1398.7758620689656,
      "floor_per_unit": 79.78448275862068,
      "yoy": -0.4090929020911571,
      "ratio_national": 0.9033988029126683,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 50.26615310914661,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 129,
      "floor_total": 10488,
      "cost_total": 239203,
      "price_per_tsubo": 75.39615611842106,
      "price_per_sqm": 228073.0358504958,
      "cost_per_unit": 1854.2868217054263,
      "floor_per_unit": 81.30232558139535,
      "yoy": 30.0901001365935,
      "ratio_national": 1.033938794783432,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 65.61893482891303,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 106,
      "floor_total": 9120,
      "cost_total": 206520,
      "price_per_tsubo": 74.85874460526315,
      "price_per_sqm": 226447.36842105264,
      "cost_per_unit": 1948.301886792453,
      "floor_per_unit": 86.0377358490566,
      "yoy": -0.7127837025455497,
      "ratio_national": 0.9745709236312686,
      "rank_in_national": 24,
      "is_spliced": true,
      "price_per_tsubo_real": 62.748319032073056,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 97,
      "floor_total": 7573,
      "cost_total": 172533,
      "price_per_tsubo": 75.31465285487917,
      "price_per_sqm": 227826.48884193847,
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      "is_spliced": false,
      "price_per_tsubo_real": 61.43120134981989,
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      "deflator_provisional": true
    }
  ]
}