{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 11,
    "price_per_tsubo": 102.21954753846154,
    "prev_price_per_tsubo": 98.83464461538462,
    "change_vs_prev": 3.424814179531154,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 38,
      "floor_total": 4424,
      "cost_total": 87807,
      "price_per_tsubo": 65.61290744349006,
      "price_per_sqm": 198478.75226039783,
      "cost_per_unit": 2310.7105263157896,
      "floor_per_unit": 116.42105263157895,
      "yoy": null,
      "ratio_national": 0.9584248412961401,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 74.72996291969255,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 57,
      "floor_total": 6584,
      "cost_total": 125960,
      "price_per_tsubo": 63.24381962332929,
      "price_per_sqm": 191312.27217496964,
      "cost_per_unit": 2209.8245614035086,
      "floor_per_unit": 115.50877192982456,
      "yoy": -3.610703918586722,
      "ratio_national": 0.9003895528720981,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 70.03745251752966,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 68,
      "floor_total": 7684,
      "cost_total": 153639,
      "price_per_tsubo": 66.09816108927642,
      "price_per_sqm": 199946.64237376367,
      "cost_per_unit": 2259.3970588235293,
      "floor_per_unit": 113,
      "yoy": 4.513233835254038,
      "ratio_national": 0.9119721772571869,
      "rank_in_national": 35,
      "is_spliced": false,
      "price_per_tsubo_real": 70.61769347144917,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 80,
      "floor_total": 8646,
      "cost_total": 179462,
      "price_per_tsubo": 68.61712757113116,
      "price_per_sqm": 207566.50474207726,
      "cost_per_unit": 2243.275,
      "floor_per_unit": 108.075,
      "yoy": 3.8109478998250346,
      "ratio_national": 0.923351796309816,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 73.46587534382351,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 78,
      "floor_total": 8386,
      "cost_total": 184406,
      "price_per_tsubo": 72.69347850465061,
      "price_per_sqm": 219897.4481278321,
      "cost_per_unit": 2364.1794871794873,
      "floor_per_unit": 107.51282051282051,
      "yoy": 5.94071928950064,
      "ratio_national": 0.9706688163493029,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 77.83027677157452,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 95,
      "floor_total": 10459,
      "cost_total": 232784,
      "price_per_tsubo": 73.57634758198681,
      "price_per_sqm": 222568.12314752844,
      "cost_per_unit": 2450.357894736842,
      "floor_per_unit": 110.09473684210526,
      "yoy": 1.2145093280681474,
      "ratio_national": 0.9679286517291514,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 77.28607939284329,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 54,
      "floor_total": 5975,
      "cost_total": 131233,
      "price_per_tsubo": 72.60732034644352,
      "price_per_sqm": 219636.82008368202,
      "cost_per_unit": 2430.240740740741,
      "floor_per_unit": 110.64814814814815,
      "yoy": -1.317036340331379,
      "ratio_national": 0.9137934603428909,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 74.0135783348048,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 127,
      "floor_total": 13450,
      "cost_total": 318444,
      "price_per_tsubo": 78.26832645055762,
      "price_per_sqm": 236761.33828996282,
      "cost_per_unit": 2507.433070866142,
      "floor_per_unit": 105.90551181102362,
      "yoy": 7.796742913941457,
      "ratio_national": 0.9482317376847159,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 78.11210224606549,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 68,
      "floor_total": 7509,
      "cost_total": 182661,
      "price_per_tsubo": 80.41535586496205,
      "price_per_sqm": 243256.09268877347,
      "cost_per_unit": 2686.1911764705883,
      "floor_per_unit": 110.42647058823529,
      "yoy": 2.7431650985417555,
      "ratio_national": 0.9397284141263093,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 80.41535586496205,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 98,
      "floor_total": 11171,
      "cost_total": 293255,
      "price_per_tsubo": 86.78179629845135,
      "price_per_sqm": 262514.5465938591,
      "cost_per_unit": 2992.3979591836733,
      "floor_per_unit": 113.98979591836735,
      "yoy": 7.916946166575678,
      "ratio_national": 0.9831852356690256,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 80.13092917677872,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 107,
      "floor_total": 11538,
      "cost_total": 287642,
      "price_per_tsubo": 82.41324728549142,
      "price_per_sqm": 249299.7053215462,
      "cost_per_unit": 2688.2429906542056,
      "floor_per_unit": 107.83177570093459,
      "yoy": -5.033946287463387,
      "ratio_national": 0.8895144596231693,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 70.80175883633282,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 106,
      "floor_total": 11082,
      "cost_total": 298668,
      "price_per_tsubo": 89.0934567514889,
      "price_per_sqm": 269507.3091499729,
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      "yoy": 8.105747177824774,
      "ratio_national": 0.9061867315249008,
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      "is_spliced": false,
      "price_per_tsubo_real": 76.1482536337512,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 62,
      "floor_total": 6513,
      "cost_total": 184254,
      "price_per_tsubo": 93.52142340856747,
      "price_per_sqm": 282901.888530631,
      "cost_per_unit": 2971.8387096774195,
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      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 47,
      "floor_total": 4970,
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  ]
}