{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 1677,
    "price_per_tsubo": 92.8001923200387,
    "prev_price_per_tsubo": 89.30164493850069,
    "change_vs_prev": 3.9176740629440303,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 6348,
      "floor_total": 783977,
      "cost_total": 13568591,
      "price_per_tsubo": 57.21457701168529,
      "price_per_sqm": 173073.84017643376,
      "cost_per_unit": 2137.459199747952,
      "floor_per_unit": 123.49984247006931,
      "yoy": null,
      "ratio_national": 0.9765304325227782,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 65.16466630032494,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 7373,
      "floor_total": 905727,
      "cost_total": 15819400,
      "price_per_tsubo": 57.738826739183,
      "price_per_sqm": 174659.69326298102,
      "cost_per_unit": 2145.5852434558524,
      "floor_per_unit": 122.84375423843754,
      "yoy": 0.91628699341888,
      "ratio_national": 0.9765360735738509,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 63.870383561043134,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 5816,
      "floor_total": 705248,
      "cost_total": 12693219,
      "price_per_tsubo": 59.49838416842019,
      "price_per_sqm": 179982.34663550978,
      "cost_per_unit": 2182.465440165062,
      "floor_per_unit": 121.25997248968363,
      "yoy": 3.047442299417402,
      "ratio_national": 0.9742289221062911,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 63.70276677561048,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 6244,
      "floor_total": 755610,
      "cost_total": 13724657,
      "price_per_tsubo": 60.04530626120617,
      "price_per_sqm": 181636.783525893,
      "cost_per_unit": 2198.0552530429213,
      "floor_per_unit": 121.0137732222934,
      "yoy": 0.9192217577502992,
      "ratio_national": 0.9714300737322895,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 64.42629427168043,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 6139,
      "floor_total": 740048,
      "cost_total": 13582853,
      "price_per_tsubo": 60.67452329966435,
      "price_per_sqm": 183540.16225974532,
      "cost_per_unit": 2212.551392734973,
      "floor_per_unit": 120.5486235543248,
      "yoy": 1.0479037873851293,
      "ratio_national": 0.9738021173953648,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 64.89253828841107,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 6034,
      "floor_total": 726418,
      "cost_total": 13600187,
      "price_per_tsubo": 61.89186141137747,
      "price_per_sqm": 187222.60461607506,
      "cost_per_unit": 2253.925588332781,
      "floor_per_unit": 120.38747099767981,
      "yoy": 2.0063414519152056,
      "ratio_national": 0.9814410819088221,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 65.01245946573263,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 6022,
      "floor_total": 718658,
      "cost_total": 13745053,
      "price_per_tsubo": 63.22653996319529,
      "price_per_sqm": 191260.00128016385,
      "cost_per_unit": 2282.473098638326,
      "floor_per_unit": 119.33875788774493,
      "yoy": 2.156468591155458,
      "ratio_national": 0.9890553622636462,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 64.45111107359357,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 5875,
      "floor_total": 693139,
      "cost_total": 13416183,
      "price_per_tsubo": 63.98584353148503,
      "price_per_sqm": 193556.8911863277,
      "cost_per_unit": 2283.6056170212764,
      "floor_per_unit": 117.98110638297872,
      "yoy": 1.200925384706708,
      "ratio_national": 0.9871344881016695,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 63.858127276931164,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 5324,
      "floor_total": 627209,
      "cost_total": 12276004,
      "price_per_tsubo": 64.7023420632676,
      "price_per_sqm": 195724.29604804778,
      "cost_per_unit": 2305.785875281743,
      "floor_per_unit": 117.80785123966942,
      "yoy": 1.11977664470424,
      "ratio_national": 0.9926261725824523,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 64.7023420632676,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5599,
      "floor_total": 653529,
      "cost_total": 12860159,
      "price_per_tsubo": 65.05141320524415,
      "price_per_sqm": 196780.23469501737,
      "cost_per_unit": 2296.8671191284157,
      "floor_per_unit": 116.72245043757813,
      "yoy": 0.5395031011941054,
      "ratio_national": 0.9849465391953618,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 59.844906352570504,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5007,
      "floor_total": 574673,
      "cost_total": 11569476,
      "price_per_tsubo": 66.55307986635879,
      "price_per_sqm": 201322.76964465008,
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      "ratio_national": 0.9713947206351962,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 57.72166510525481,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 4645,
      "floor_total": 527301,
      "cost_total": 12864884,
      "price_per_tsubo": 80.65337421768592,
      "price_per_sqm": 243976.0971437566,
      "cost_per_unit": 2769.6198062432723,
      "floor_per_unit": 113.52012917115178,
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      "ratio_national": 0.9828837813803113,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 70.1944075001618,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4524,
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      "cost_total": 12932563,
      "price_per_tsubo": 83.60745452153728,
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    {
      "fiscal_year": 2025,
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    }
  ]
}