{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "all",
    "label": "貸家"
  },
  "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": 267,
    "price_per_tsubo": 107.9663132773659,
    "prev_price_per_tsubo": 110.37891410539558,
    "change_vs_prev": -2.185744304139476,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1315,
      "floor_total": 67861,
      "cost_total": 1118972,
      "price_per_tsubo": 54.50975446692504,
      "price_per_sqm": 164891.76404709628,
      "cost_per_unit": 850.9292775665399,
      "floor_per_unit": 51.60532319391635,
      "yoy": null,
      "ratio_national": 0.8911164310098371,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 62.08400280970962,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1459,
      "floor_total": 77510,
      "cost_total": 1320698,
      "price_per_tsubo": 56.327573750741834,
      "price_per_sqm": 170390.65926977166,
      "cost_per_unit": 905.2076764907471,
      "floor_per_unit": 53.125428375599725,
      "yoy": 3.33485135200855,
      "ratio_national": 0.8912032597573782,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 62.378265504697495,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1388,
      "floor_total": 70257,
      "cost_total": 1269686,
      "price_per_tsubo": 59.74230727101926,
      "price_per_sqm": 180720.21293251918,
      "cost_per_unit": 914.7593659942363,
      "floor_per_unit": 50.61743515850144,
      "yoy": 6.062276950518308,
      "ratio_national": 0.8927139400370087,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 63.82725135792656,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1952,
      "floor_total": 91719,
      "cost_total": 1788689,
      "price_per_tsubo": 64.46897817584143,
      "price_per_sqm": 195018.3713298226,
      "cost_per_unit": 916.3365778688525,
      "floor_per_unit": 46.98719262295082,
      "yoy": 7.911764912894581,
      "ratio_national": 0.9351145078138388,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 69.02460190132915,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1975,
      "floor_total": 97309,
      "cost_total": 1905233,
      "price_per_tsubo": 64.72474487529416,
      "price_per_sqm": 195792.06445446977,
      "cost_per_unit": 964.6749367088607,
      "floor_per_unit": 49.270379746835445,
      "yoy": 0.39672832839869887,
      "ratio_national": 0.9160159150765812,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 69.29844205063614,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1805,
      "floor_total": 88263,
      "cost_total": 1754945,
      "price_per_tsubo": 65.72946343938004,
      "price_per_sqm": 198831.3336279075,
      "cost_per_unit": 972.2686980609418,
      "floor_per_unit": 48.89916897506925,
      "yoy": 1.552294359787254,
      "ratio_national": 0.899455705558585,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 69.04355403296223,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1564,
      "floor_total": 83050,
      "cost_total": 1575634,
      "price_per_tsubo": 62.71782204527393,
      "price_per_sqm": 189721.13184828416,
      "cost_per_unit": 1007.4386189258312,
      "floor_per_unit": 53.10102301790281,
      "yoy": -4.581874301900612,
      "ratio_national": 0.8477371049843034,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 63.93254031118647,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 863,
      "floor_total": 45005,
      "cost_total": 899120,
      "price_per_tsubo": 66.04381523830685,
      "price_per_sqm": 199782.24641706477,
      "cost_per_unit": 1041.853997682503,
      "floor_per_unit": 52.149478563151796,
      "yoy": 5.303106971144489,
      "ratio_national": 0.859817126314646,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 65.91199125579526,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 621,
      "floor_total": 30881,
      "cost_total": 652345,
      "price_per_tsubo": 69.83308757974159,
      "price_per_sqm": 211244.77834267024,
      "cost_per_unit": 1050.475040257649,
      "floor_per_unit": 49.727858293075684,
      "yoy": 5.737512782630527,
      "ratio_national": 0.8794224343200906,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 69.83308757974159,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 835,
      "floor_total": 37389,
      "cost_total": 861480,
      "price_per_tsubo": 76.1687118992217,
      "price_per_sqm": 230410.01364037552,
      "cost_per_unit": 1031.7125748502995,
      "floor_per_unit": 44.777245508982034,
      "yoy": 9.072524986447927,
      "ratio_national": 0.9363463899014517,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 70.33122059023242,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1067,
      "floor_total": 52305,
      "cost_total": 1331082,
      "price_per_tsubo": 84.1272835250932,
      "price_per_sqm": 254484.65729853744,
      "cost_per_unit": 1247.4995313964387,
      "floor_per_unit": 49.02061855670103,
      "yoy": 10.448609970457978,
      "ratio_national": 0.975664155876752,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 72.27429856107663,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 827,
      "floor_total": 41730,
      "cost_total": 1208437,
      "price_per_tsubo": 95.73062425664989,
      "price_per_sqm": 289584.71123891685,
      "cost_per_unit": 1461.229746070133,
      "floor_per_unit": 50.45949214026602,
      "yoy": 13.792601217291978,
      "ratio_national": 0.9975886733440222,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 81.82104637320504,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 645,
      "floor_total": 33513,
      "cost_total": 1084790,
      "price_per_tsubo": 107.00587634947634,
      "price_per_sqm": 323692.29851102555,
      "cost_per_unit": 1681.84496124031,
      "floor_per_unit": 51.95813953488372,
      "yoy": 11.77810359054796,
      "ratio_national": 1.0132945543514364,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 88.14322598803652,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 602,
      "floor_total": 29369,
      "cost_total": 1002301,
      "price_per_tsubo": 112.81952476386667,
      "price_per_sqm": 341278.5590248221,
      "cost_per_unit": 1664.9518272425248,
      "floor_per_unit": 48.785714285714285,
      "yoy": 5.433017898384596,
      "ratio_national": 0.9856797003507499,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 90.76389763786538,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}