{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "all",
    "label": "持家"
  },
  "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": 1520,
    "price_per_tsubo": 90.5149393448999,
    "prev_price_per_tsubo": 86.9276509353524,
    "change_vs_prev": 4.1267518113601795,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 5580,
      "floor_total": 682372,
      "cost_total": 11421540,
      "price_per_tsubo": 55.33230073420363,
      "price_per_sqm": 167379.9628355208,
      "cost_per_unit": 2046.8709677419354,
      "floor_per_unit": 122.28888888888889,
      "yoy": null,
      "ratio_national": 1.001092728269071,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 62.94914759295065,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 6568,
      "floor_total": 800816,
      "cost_total": 13575873,
      "price_per_tsubo": 56.04156910535005,
      "price_per_sqm": 169525.49649357656,
      "cost_per_unit": 2066.972137637028,
      "floor_per_unit": 121.92691839220463,
      "yoy": 1.2818342301605945,
      "ratio_national": 1.0011626619746912,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 61.78783804338484,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 5172,
      "floor_total": 621038,
      "cost_total": 10809151,
      "price_per_tsubo": 57.53719302891289,
      "price_per_sqm": 174049.752189077,
      "cost_per_unit": 2089.9363882443927,
      "floor_per_unit": 120.0769528228925,
      "yoy": 2.668775959415548,
      "ratio_national": 0.9981214431232646,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 61.53710484375709,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 5534,
      "floor_total": 665965,
      "cost_total": 11672688,
      "price_per_tsubo": 57.94216702607494,
      "price_per_sqm": 175274.79672355152,
      "cost_per_unit": 2109.2677990603543,
      "floor_per_unit": 120.34062161185399,
      "yoy": 0.7038473304711745,
      "ratio_national": 0.9933422937607548,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 61.97023211344913,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 5414,
      "floor_total": 648991,
      "cost_total": 11413063,
      "price_per_tsubo": 58.13515061806712,
      "price_per_sqm": 175858.5712282605,
      "cost_per_unit": 2108.0648319172515,
      "floor_per_unit": 119.87273734761729,
      "yoy": 0.33306243431547866,
      "ratio_national": 0.9900696505569382,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 61.91176849634411,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 5260,
      "floor_total": 630769,
      "cost_total": 11298199,
      "price_per_tsubo": 59.212601241040694,
      "price_per_sqm": 179117.85455531263,
      "cost_per_unit": 2147.9465779467682,
      "floor_per_unit": 119.9180608365019,
      "yoy": 1.853354831833398,
      "ratio_national": 0.99763148457271,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 62.13284495387271,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 5311,
      "floor_total": 631410,
      "cost_total": 11589962,
      "price_per_tsubo": 60.68003433581983,
      "price_per_sqm": 183556.83311952613,
      "cost_per_unit": 2182.2560723027677,
      "floor_per_unit": 118.8872152137074,
      "yoy": 2.4782446033835948,
      "ratio_national": 1.0101814122901718,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 61.981648964065194,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 5195,
      "floor_total": 609148,
      "cost_total": 11230749,
      "price_per_tsubo": 60.94823874774275,
      "price_per_sqm": 184368.15026890018,
      "cost_per_unit": 2161.838113570741,
      "floor_per_unit": 117.25659287776709,
      "yoy": 0.4419977919567497,
      "ratio_national": 1.001810712627934,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 60.88735139634641,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 4733,
      "floor_total": 554978,
      "cost_total": 10361488,
      "price_per_tsubo": 61.719389625390555,
      "price_per_sqm": 186700.87823301103,
      "cost_per_unit": 2189.200929642933,
      "floor_per_unit": 117.25713078385802,
      "yoy": 1.2652553929236587,
      "ratio_national": 1.0071791756138786,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 61.719389625390555,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5010,
      "floor_total": 580709,
      "cost_total": 10902429,
      "price_per_tsubo": 62.064029942552985,
      "price_per_sqm": 187743.41365468764,
      "cost_per_unit": 2176.133532934132,
      "floor_per_unit": 115.90998003992016,
      "yoy": 0.5583987775223287,
      "ratio_national": 1.0061273437078866,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 56.268386167319115,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 4448,
      "floor_total": 505389,
      "cost_total": 9582163,
      "price_per_tsubo": 62.67769702896185,
      "price_per_sqm": 189599.75385297267,
      "cost_per_unit": 2154.263264388489,
      "floor_per_unit": 113.62162769784173,
      "yoy": 0.9887644856076516,
      "ratio_national": 0.9877870584895535,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 53.70839505480879,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 4158,
      "floor_total": 466858,
      "cost_total": 10958889,
      "price_per_tsubo": 77.59915363410288,
      "price_per_sqm": 234737.0935059483,
      "cost_per_unit": 2635.61544011544,
      "floor_per_unit": 112.27946127946127,
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      "ratio_national": 0.9936840915681275,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 67.59508156280738,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4041,
      "floor_total": 451587,
      "cost_total": 10958534,
      "price_per_tsubo": 80.2206709047426,
      "price_per_sqm": 242667.17155276836,
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      "is_spliced": true,
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      "deflator": 118.8,
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    },
    {
      "fiscal_year": 2025,
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      "floor_total": 380910,
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      "deflator_provisional": true
    }
  ]
}