{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "all",
    "label": "新築住宅すべて"
  },
  "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": 3467,
    "price_per_tsubo": 79.31610229016341,
    "prev_price_per_tsubo": 77.62759685963177,
    "change_vs_prev": 2.175135517314601,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 11278,
      "floor_total": 1129826,
      "cost_total": 18573951,
      "price_per_tsubo": 54.34605105236559,
      "price_per_sqm": 164396.56194847703,
      "cost_per_unit": 1646.9188685937222,
      "floor_per_unit": 100.17964178045753,
      "yoy": null,
      "ratio_national": 0.9612458392914673,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 61.89755245144145,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 13458,
      "floor_total": 1354801,
      "cost_total": 22577229,
      "price_per_tsubo": 55.089697937859505,
      "price_per_sqm": 166646.0904590416,
      "cost_per_unit": 1677.6065537226928,
      "floor_per_unit": 100.66882151879923,
      "yoy": 1.3683549606527512,
      "ratio_national": 0.9542840186553443,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 60.93993134718971,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 10957,
      "floor_total": 1078162,
      "cost_total": 18225987,
      "price_per_tsubo": 55.88333252769992,
      "price_per_sqm": 169046.8315522157,
      "cost_per_unit": 1663.4103312950624,
      "floor_per_unit": 98.3993793921694,
      "yoy": 1.4406225111918802,
      "ratio_national": 0.928135560831229,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 59.83226180695923,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 12786,
      "floor_total": 1210122,
      "cost_total": 20767243,
      "price_per_tsubo": 56.7315892422169,
      "price_per_sqm": 171612.80432881974,
      "cost_per_unit": 1624.217347098389,
      "floor_per_unit": 94.64429845143125,
      "yoy": 1.5179064600281622,
      "ratio_national": 0.9153735933590621,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 60.87080390795805,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 13078,
      "floor_total": 1226109,
      "cost_total": 21044442,
      "price_per_tsubo": 56.73925068585257,
      "price_per_sqm": 171635.98016163326,
      "cost_per_unit": 1609.1483407248816,
      "floor_per_unit": 93.75355558953969,
      "yoy": 0.01350472239189937,
      "ratio_national": 0.907436616807829,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 60.68369057310436,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 13414,
      "floor_total": 1248910,
      "cost_total": 21701500,
      "price_per_tsubo": 57.44257127014756,
      "price_per_sqm": 173763.52179100175,
      "cost_per_unit": 1617.824660802147,
      "floor_per_unit": 93.10496496198002,
      "yoy": 1.2395662187875134,
      "ratio_national": 0.9121770994241716,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 60.338835367802055,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 12334,
      "floor_total": 1197463,
      "cost_total": 21059534,
      "price_per_tsubo": 58.13824469053323,
      "price_per_sqm": 175867.93078366513,
      "cost_per_unit": 1707.4374898654128,
      "floor_per_unit": 97.08634668396303,
      "yoy": 1.2110763933494084,
      "ratio_national": 0.9133868529149046,
      "rank_in_national": 35,
      "is_spliced": false,
      "price_per_tsubo_real": 59.264265739585355,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 11268,
      "floor_total": 1131675,
      "cost_total": 20019484,
      "price_per_tsubo": 58.47987276590894,
      "price_per_sqm": 176901.35418737712,
      "cost_per_unit": 1776.667021654242,
      "floor_per_unit": 100.43264110756124,
      "yoy": 0.587613329563319,
      "ratio_national": 0.9062981888428625,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 58.36314647296301,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 9313,
      "floor_total": 965606,
      "cost_total": 17319783,
      "price_per_tsubo": 59.294956165941386,
      "price_per_sqm": 179366.9778356804,
      "cost_per_unit": 1859.7426178460216,
      "floor_per_unit": 103.68366799098035,
      "yoy": 1.3937844962405688,
      "ratio_national": 0.9053926671081154,
      "rank_in_national": 40,
      "is_spliced": false,
      "price_per_tsubo_real": 59.29495616594138,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 10327,
      "floor_total": 1045983,
      "cost_total": 18992249,
      "price_per_tsubo": 60.02428989927179,
      "price_per_sqm": 181573.2091248137,
      "cost_per_unit": 1839.0867628546528,
      "floor_per_unit": 101.2862399535199,
      "yoy": 1.2300097352113903,
      "ratio_national": 0.9066185249310794,
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      "is_spliced": false,
      "price_per_tsubo_real": 55.22013790181397,
      "deflator": 108.7,
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    },
    {
      "fiscal_year": 2022,
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      "floor_total": 1028535,
      "cost_total": 19264354,
      "price_per_tsubo": 61.91710424016684,
      "price_per_sqm": 187298.9640605327,
      "cost_per_unit": 1816.7063372312334,
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      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 9531,
      "floor_total": 921809,
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      "deflator": 114.9,
      "deflator_provisional": true
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    {
      "fiscal_year": 2024,
      "units": 9988,
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      "price_per_tsubo": 74.09786024565445,
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    {
      "fiscal_year": 2025,
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  ]
}