{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "detached",
    "label": "分譲住宅・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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 840,
    "price_per_tsubo": 49.961438355763995,
    "prev_price_per_tsubo": 50.949932962543855,
    "change_vs_prev": -1.9401293570033857,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1538,
      "floor_total": 162771,
      "cost_total": 2111005,
      "price_per_tsubo": 42.873357164052564,
      "price_per_sqm": 129691.71412598067,
      "cost_per_unit": 1372.5650195058518,
      "floor_per_unit": 105.83289986996098,
      "yoy": null,
      "ratio_national": 0.8731570546747685,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 48.830702920333216,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1980,
      "floor_total": 212016,
      "cost_total": 2751578,
      "price_per_tsubo": 42.90307824230246,
      "price_per_sqm": 129781.62025507509,
      "cost_per_unit": 1389.6858585858586,
      "floor_per_unit": 107.07878787878788,
      "yoy": 0.06932295536403732,
      "ratio_national": 0.8816949247486561,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 47.459157347679714,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1799,
      "floor_total": 193089,
      "cost_total": 2523515,
      "price_per_tsubo": 43.2039663152743,
      "price_per_sqm": 130691.80533329191,
      "cost_per_unit": 1402.7320733740967,
      "floor_per_unit": 107.33129516397999,
      "yoy": 0.7013204769888981,
      "ratio_national": 0.8823939618825217,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 46.256923249758344,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2091,
      "floor_total": 226644,
      "cost_total": 2975666,
      "price_per_tsubo": 43.402547193572296,
      "price_per_sqm": 131292.5116041016,
      "cost_per_unit": 1423.0827355332376,
      "floor_per_unit": 108.39024390243902,
      "yoy": 0.4596357585525457,
      "ratio_national": 0.8795228106122814,
      "rank_in_national": 45,
      "is_spliced": false,
      "price_per_tsubo_real": 46.56925664546384,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2208,
      "floor_total": 243564,
      "cost_total": 3255961,
      "price_per_tsubo": 44.19176608279549,
      "price_per_sqm": 133679.89522261088,
      "cost_per_unit": 1474.620018115942,
      "floor_per_unit": 110.30978260869566,
      "yoy": 1.8183699811518794,
      "ratio_national": 0.8987445597819128,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 47.2639209441663,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2494,
      "floor_total": 273516,
      "cost_total": 3704358,
      "price_per_tsubo": 44.771895,
      "price_per_sqm": 135434.78260869565,
      "cost_per_unit": 1485.307939053729,
      "floor_per_unit": 109.66960705693664,
      "yoy": 1.312753412293155,
      "ratio_national": 0.9028791601608076,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 47.02930147058824,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 2509,
      "floor_total": 275121,
      "cost_total": 3726517,
      "price_per_tsubo": 44.776962258170045,
      "price_per_sqm": 135450.1110420506,
      "cost_per_unit": 1485.2598644878437,
      "floor_per_unit": 109.65364687126345,
      "yoy": 0.011317944371236344,
      "ratio_national": 0.8951279405103472,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 45.644202098032665,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 2632,
      "floor_total": 288988,
      "cost_total": 3897164,
      "price_per_tsubo": 44.58041780129279,
      "price_per_sqm": 134855.5649369524,
      "cost_per_unit": 1480.6854103343464,
      "floor_per_unit": 109.79787234042553,
      "yoy": -0.4389410245028258,
      "ratio_national": 0.8899668102587718,
      "rank_in_national": 45,
      "is_spliced": false,
      "price_per_tsubo_real": 44.49143493142993,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 2224,
      "floor_total": 243397,
      "cost_total": 3205576,
      "price_per_tsubo": 43.53776375649659,
      "price_per_sqm": 131701.54110362905,
      "cost_per_unit": 1441.3561151079136,
      "floor_per_unit": 109.44109712230215,
      "yoy": -2.338816225194651,
      "ratio_national": 0.8687258791129133,
      "rank_in_national": 47,
      "is_spliced": false,
      "price_per_tsubo_real": 43.53776375649659,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 2444,
      "floor_total": 270400,
      "cost_total": 3651018,
      "price_per_tsubo": 44.63572039282545,
      "price_per_sqm": 135022.8550295858,
      "cost_per_unit": 1493.8698854337151,
      "floor_per_unit": 110.63829787234043,
      "yoy": 2.5218489458247006,
      "ratio_national": 0.8898958080140388,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 41.06322023259011,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 2673,
      "floor_total": 289830,
      "cost_total": 4073902,
      "price_per_tsubo": 46.466771875168206,
      "price_per_sqm": 140561.77759376186,
      "cost_per_unit": 1524.0935278713057,
      "floor_per_unit": 108.4287317620651,
      "yoy": 4.102211113046295,
      "ratio_national": 0.8906652616997158,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 40.30075617967754,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 2298,
      "floor_total": 247201,
      "cost_total": 3694983,
      "price_per_tsubo": 49.412574591405374,
      "price_per_sqm": 149472.8176665952,
      "cost_per_unit": 1607.9125326370756,
      "floor_per_unit": 107.57223672758921,
      "yoy": 6.339589769977971,
      "ratio_national": 0.8920036618519125,
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      "is_spliced": false,
      "price_per_tsubo_real": 43.00485168964784,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 2046,
      "floor_total": 220560,
      "cost_total": 3480463,
      "price_per_tsubo": 52.165758889961914,
      "price_per_sqm": 157801.18788538265,
      "cost_per_unit": 1701.1060606060605,
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      "is_spliced": true,
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      "deflator": 119.3,
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    },
    {
      "fiscal_year": 2025,
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      "floor_total": 204144,
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    }
  ]
}