{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 616,
    "price_per_tsubo": 70.43831429192007,
    "prev_price_per_tsubo": 63.64358677504977,
    "change_vs_prev": 10.67621713541456,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1755,
      "floor_total": 93255,
      "cost_total": 1399112,
      "price_per_tsubo": 49.597023843011094,
      "price_per_sqm": 150030.77582971423,
      "cost_per_unit": 797.2148148148148,
      "floor_per_unit": 53.136752136752136,
      "yoy": null,
      "ratio_national": 1.0082066465137474,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 56.42437297270886,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1989,
      "floor_total": 105888,
      "cost_total": 1627232,
      "price_per_tsubo": 50.80167038077969,
      "price_per_sqm": 153674.8262314899,
      "cost_per_unit": 818.115635997989,
      "floor_per_unit": 53.236802413273004,
      "yoy": 2.428868598207923,
      "ratio_national": 0.9930424265145591,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 56.0106619413227,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1834,
      "floor_total": 99292,
      "cost_total": 1556056,
      "price_per_tsubo": 51.80673532852596,
      "price_per_sqm": 156715.1432139548,
      "cost_per_unit": 848.4492911668484,
      "floor_per_unit": 54.13958560523446,
      "yoy": 1.9784092535007014,
      "ratio_national": 0.9889876217104999,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 55.40827307863739,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2238,
      "floor_total": 117557,
      "cost_total": 1879239,
      "price_per_tsubo": 52.845593999591685,
      "price_per_sqm": 159857.6860586779,
      "cost_per_unit": 839.6957104557641,
      "floor_per_unit": 52.527703306523684,
      "yoy": 2.0052579350501976,
      "ratio_national": 0.9918111302990493,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 56.519351871221055,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2669,
      "floor_total": 139901,
      "cost_total": 2194081,
      "price_per_tsubo": 51.84502633283536,
      "price_per_sqm": 156830.97333114131,
      "cost_per_unit": 822.061071562383,
      "floor_per_unit": 52.41701011614837,
      "yoy": -1.8933795441187673,
      "ratio_national": 0.9671698306403395,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 55.21302058874905,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2823,
      "floor_total": 143757,
      "cost_total": 2306194,
      "price_per_tsubo": 53.03249972703938,
      "price_per_sqm": 160423.07505025843,
      "cost_per_unit": 816.930216082182,
      "floor_per_unit": 50.92348565356004,
      "yoy": 2.2904287608625395,
      "ratio_national": 0.9817282964828681,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 55.64795354358802,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 2030,
      "floor_total": 108219,
      "cost_total": 1747381,
      "price_per_tsubo": 53.377638270451584,
      "price_per_sqm": 161467.11760411758,
      "cost_per_unit": 860.7788177339902,
      "floor_per_unit": 53.309852216748766,
      "yoy": 0.6508057232614828,
      "ratio_national": 0.9791150836385913,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 54.522613146528684,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1722,
      "floor_total": 92622,
      "cost_total": 1542345,
      "price_per_tsubo": 55.04813842877502,
      "price_per_sqm": 166520.37312949408,
      "cost_per_unit": 895.670731707317,
      "floor_per_unit": 53.78745644599303,
      "yoy": 3.129587993120664,
      "ratio_national": 1.010412001017033,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 54.99314528349153,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1056,
      "floor_total": 56469,
      "cost_total": 986698,
      "price_per_tsubo": 57.7629563374595,
      "price_per_sqm": 174732.6851901043,
      "cost_per_unit": 934.373106060606,
      "floor_per_unit": 53.47443181818182,
      "yoy": 4.931716105526607,
      "ratio_national": 1.047081567108212,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 57.76295633745951,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1063,
      "floor_total": 57953,
      "cost_total": 964291,
      "price_per_tsubo": 55.005669161044295,
      "price_per_sqm": 166391.9037841009,
      "cost_per_unit": 907.1411100658513,
      "floor_per_unit": 54.51834430856068,
      "yoy": -4.773452314848181,
      "ratio_national": 1.0014435316883596,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 49.86914701817253,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1246,
      "floor_total": 65301,
      "cost_total": 1103075,
      "price_per_tsubo": 55.84193663573299,
      "price_per_sqm": 168921.6091637188,
      "cost_per_unit": 885.292937399679,
      "floor_per_unit": 52.408507223113965,
      "yoy": 1.5203296086450546,
      "ratio_national": 0.9859199481033288,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 47.850845446215075,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1389,
      "floor_total": 76450,
      "cost_total": 1537645,
      "price_per_tsubo": 66.48962020340092,
      "price_per_sqm": 201130.8044473512,
      "cost_per_unit": 1107.0158387329013,
      "floor_per_unit": 55.03959683225342,
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      "ratio_national": 1.0319423669130914,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 57.9177876336245,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 2152,
      "floor_total": 115481,
      "cost_total": 2260396,
      "price_per_tsubo": 64.70670060737264,
      "price_per_sqm": 195737.48062451833,
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      "is_spliced": true,
      "price_per_tsubo_real": 54.46691970317562,
      "deflator": 118.8,
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    },
    {
      "fiscal_year": 2025,
      "units": 1640,
      "floor_total": 88743,
      "cost_total": 1881710,
      "price_per_tsubo": 70.09609885737467,
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    }
  ]
}