{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "apartment",
    "label": "共同住宅"
  },
  "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": 294,
    "price_per_tsubo": 100.47979866409892,
    "prev_price_per_tsubo": 104.36905896605673,
    "change_vs_prev": -3.7264495248756475,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1099,
      "floor_total": 57821,
      "cost_total": 954489,
      "price_per_tsubo": 54.570833975718166,
      "price_per_sqm": 165076.52928866676,
      "cost_per_unit": 868.5068243858053,
      "floor_per_unit": 52.612374886260234,
      "yoy": null,
      "ratio_national": 0.9225212285113021,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 62.15356944842616,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1609,
      "floor_total": 96689,
      "cost_total": 1778056,
      "price_per_tsubo": 60.791607569009926,
      "price_per_sqm": 183894.34165210108,
      "cost_per_unit": 1105.0689869484152,
      "floor_per_unit": 60.09260410192666,
      "yoy": 11.399447543828556,
      "ratio_national": 0.9774887581223834,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 67.24735350554195,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 959,
      "floor_total": 47166,
      "cost_total": 820577,
      "price_per_tsubo": 57.5129381509986,
      "price_per_sqm": 173976.38129160836,
      "cost_per_unit": 855.6590198123045,
      "floor_per_unit": 49.18248175182482,
      "yoy": -5.39329283945883,
      "ratio_national": 0.8420828848987896,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 61.577021574944965,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1531,
      "floor_total": 67588,
      "cost_total": 1334209,
      "price_per_tsubo": 65.25736477052139,
      "price_per_sqm": 197403.23726105224,
      "cost_per_unit": 871.4624428478119,
      "floor_per_unit": 44.1463096015676,
      "yoy": 13.46553813541922,
      "ratio_national": 0.8953208947926579,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 70.01863172802724,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1550,
      "floor_total": 66562,
      "cost_total": 1291075,
      "price_per_tsubo": 64.12101235314444,
      "price_per_sqm": 193965.77626874193,
      "cost_per_unit": 832.9516129032259,
      "floor_per_unit": 42.943225806451615,
      "yoy": -1.7413397267464825,
      "ratio_national": 0.8627089774585158,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 68.57862283758763,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1757,
      "floor_total": 78025,
      "cost_total": 1546252,
      "price_per_tsubo": 65.5121358421019,
      "price_per_sqm": 198173.91861582827,
      "cost_per_unit": 880.0523619806488,
      "floor_per_unit": 44.40808195788276,
      "yoy": 2.1695282683559247,
      "ratio_national": 0.875673072545778,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 68.81526874170368,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1332,
      "floor_total": 64978,
      "cost_total": 1265633,
      "price_per_tsubo": 64.38974599202808,
      "price_per_sqm": 194778.69432731078,
      "cost_per_unit": 950.1749249249249,
      "floor_per_unit": 48.78228228228228,
      "yoy": -1.713254858273916,
      "ratio_national": 0.8441818773972876,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 65.63684606730692,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 945,
      "floor_total": 47339,
      "cost_total": 965596,
      "price_per_tsubo": 67.42976406007732,
      "price_per_sqm": 203974.73541899913,
      "cost_per_unit": 1021.794708994709,
      "floor_per_unit": 50.094179894179895,
      "yoy": 4.721276689654297,
      "ratio_national": 0.853104039486292,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 67.29517371265202,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 677,
      "floor_total": 32734,
      "cost_total": 718194,
      "price_per_tsubo": 72.53004653449014,
      "price_per_sqm": 219403.0671473086,
      "cost_per_unit": 1060.847858197932,
      "floor_per_unit": 48.35155096011817,
      "yoy": 7.563844461725644,
      "ratio_national": 0.8932825059805837,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 72.53004653449014,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1104,
      "floor_total": 55862,
      "cost_total": 1323358,
      "price_per_tsubo": 78.3134088077763,
      "price_per_sqm": 236897.7122193978,
      "cost_per_unit": 1198.6938405797102,
      "floor_per_unit": 50.59963768115942,
      "yoy": 7.973746812000182,
      "ratio_national": 0.9465089828667653,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 72.0454542849828,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1570,
      "floor_total": 89717,
      "cost_total": 2308109,
      "price_per_tsubo": 85.04657591214597,
      "price_per_sqm": 257265.51266761037,
      "cost_per_unit": 1470.1331210191083,
      "floor_per_unit": 57.144585987261145,
      "yoy": 8.597719352118261,
      "ratio_national": 0.9803183493143645,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 73.76112394808844,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1076,
      "floor_total": 60145,
      "cost_total": 1736116,
      "price_per_tsubo": 95.42330886424475,
      "price_per_sqm": 288655.0835480921,
      "cost_per_unit": 1613.4907063197027,
      "floor_per_unit": 55.896840148698885,
      "yoy": 12.201235429887337,
      "ratio_national": 1.0052115968980329,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 83.04900684442536,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1396,
      "floor_total": 76111,
      "cost_total": 1965430,
      "price_per_tsubo": 85.36609477867852,
      "price_per_sqm": 258232.05581322015,
      "cost_per_unit": 1407.9011461318053,
      "floor_per_unit": 54.52077363896848,
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      "ratio_national": 0.7940700538976883,
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      "is_spliced": true,
      "price_per_tsubo_real": 71.55582127299121,
      "deflator": 119.3,
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    },
    {
      "fiscal_year": 2025,
      "units": 727,
      "floor_total": 32607,
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      "price_per_tsubo": 104.28471270494066,
      "price_per_sqm": 315460.7906277793,
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      "deflator": 122.6,
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    }
  ]
}