{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "detached",
    "label": "持家・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": 158,
    "price_per_tsubo": 113.27289523470535,
    "prev_price_per_tsubo": 107.77364823860468,
    "change_vs_prev": 5.1025896274065445,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 759,
      "floor_total": 99829,
      "cost_total": 2107461,
      "price_per_tsubo": 69.78757173957467,
      "price_per_sqm": 211107.093129251,
      "cost_per_unit": 2776.6284584980235,
      "floor_per_unit": 131.5270092226614,
      "yoy": null,
      "ratio_national": 0.9362687855996432,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 79.4847058537297,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 808,
      "floor_total": 104187,
      "cost_total": 2225002,
      "price_per_tsubo": 70.59795714993233,
      "price_per_sqm": 213558.50537974987,
      "cost_per_unit": 2753.7153465346537,
      "floor_per_unit": 128.94430693069307,
      "yoy": 1.1612173774748324,
      "ratio_national": 0.9265957654325571,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 78.18156937977002,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 632,
      "floor_total": 81878,
      "cost_total": 1834503,
      "price_per_tsubo": 74.06729124270255,
      "price_per_sqm": 224053.22553066758,
      "cost_per_unit": 2902.6946202531644,
      "floor_per_unit": 129.55379746835442,
      "yoy": 4.914213148409141,
      "ratio_national": 0.9354309782763388,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 79.13172141314375,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 711,
      "floor_total": 89529,
      "cost_total": 2046718,
      "price_per_tsubo": 75.57350017558556,
      "price_per_sqm": 228609.50083213262,
      "cost_per_unit": 2878.646976090014,
      "floor_per_unit": 125.91983122362869,
      "yoy": 2.033568269625907,
      "ratio_national": 0.93382014367794,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 80.91381175116227,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 725,
      "floor_total": 91011,
      "cost_total": 2168962,
      "price_per_tsubo": 78.78314588324488,
      "price_per_sqm": 238318.6647767852,
      "cost_per_unit": 2991.671724137931,
      "floor_per_unit": 125.53241379310344,
      "yoy": 4.2470518107565525,
      "ratio_national": 0.9540629677310423,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 84.35026325829216,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 775,
      "floor_total": 95511,
      "cost_total": 2299688,
      "price_per_tsubo": 79.59591663284857,
      "price_per_sqm": 240777.29266786025,
      "cost_per_unit": 2967.33935483871,
      "floor_per_unit": 123.24,
      "yoy": 1.0316556168094682,
      "ratio_national": 0.9411189510602855,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 83.60915612694177,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 703,
      "floor_total": 86146,
      "cost_total": 2135287,
      "price_per_tsubo": 81.94008325087643,
      "price_per_sqm": 247868.38622803148,
      "cost_per_unit": 3037.3926031294454,
      "floor_per_unit": 122.54054054054055,
      "yoy": 2.9450840158557146,
      "ratio_national": 0.9465644215256592,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 83.52709811506263,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 677,
      "floor_total": 82675,
      "cost_total": 2134064,
      "price_per_tsubo": 85.33132664723314,
      "price_per_sqm": 258126.88237072877,
      "cost_per_unit": 3152.236336779911,
      "floor_per_unit": 122.11964549483014,
      "yoy": 4.138686784066015,
      "ratio_national": 0.951382792746364,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 85.16100463795723,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 595,
      "floor_total": 72338,
      "cost_total": 1906221,
      "price_per_tsubo": 87.11280820025436,
      "price_per_sqm": 263515.8561198817,
      "cost_per_unit": 3203.7327731092437,
      "floor_per_unit": 121.5764705882353,
      "yoy": 2.0877227895284234,
      "ratio_national": 0.9459545213638083,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 87.11280820025436,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 584,
      "floor_total": 72162,
      "cost_total": 1938521,
      "price_per_tsubo": 88.80495740957845,
      "price_per_sqm": 268634.59992793994,
      "cost_per_unit": 3319.3852739726026,
      "floor_per_unit": 123.56506849315069,
      "yoy": 1.942480381798939,
      "ratio_national": 0.9354663435117612,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 81.99903731263015,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 555,
      "floor_total": 68688,
      "cost_total": 1962102,
      "price_per_tsubo": 94.43130052672956,
      "price_per_sqm": 285654.26275331934,
      "cost_per_unit": 3535.318918918919,
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      "yoy": 6.335618282211186,
      "ratio_national": 0.9330865404663193,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 81.12654684426937,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 488,
      "floor_total": 60213,
      "cost_total": 1895032,
      "price_per_tsubo": 104.04028756713666,
      "price_per_sqm": 314721.405676515,
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      "floor_per_unit": 123.38729508196721,
      "yoy": 10.175637724789354,
      "ratio_national": 0.9515391143436055,
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      "is_spliced": false,
      "price_per_tsubo_real": 88.92332270695441,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 480,
      "floor_total": 59303,
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      "price_per_tsubo": 109.22390809537461,
      "price_per_sqm": 330401.83464580204,
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      "price_per_tsubo_real": 89.97027025978139,
      "deflator": 121.4,
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    {
      "fiscal_year": 2025,
      "units": 404,
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    }
  ]
}