{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "rowhouse",
    "label": "貸家・長屋建"
  },
  "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": 50,
    "price_per_tsubo": 99.56673159292035,
    "prev_price_per_tsubo": 97.3183072325346,
    "change_vs_prev": 2.3103816993171904,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 648,
      "floor_total": 35384,
      "cost_total": 577611,
      "price_per_tsubo": 53.963957373106496,
      "price_per_sqm": 163240.73027356996,
      "cost_per_unit": 891.375,
      "floor_per_unit": 54.60493827160494,
      "yoy": null,
      "ratio_national": 0.9358956807218851,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 61.46236602859509,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 688,
      "floor_total": 39006,
      "cost_total": 648629,
      "price_per_tsubo": 54.97183156206738,
      "price_per_sqm": 166289.54519817463,
      "cost_per_unit": 942.7747093023256,
      "floor_per_unit": 56.69476744186046,
      "yoy": 1.8676802777684465,
      "ratio_national": 0.9221103634633308,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 60.87688988047329,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 709,
      "floor_total": 38612,
      "cost_total": 691299,
      "price_per_tsubo": 59.18598677121102,
      "price_per_sqm": 179037.34590282815,
      "cost_per_unit": 975.0338504936531,
      "floor_per_unit": 54.459802538787024,
      "yoy": 7.66602656195936,
      "ratio_national": 0.9386754409841612,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 63.232891849584426,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 920,
      "floor_total": 49154,
      "cost_total": 935165,
      "price_per_tsubo": 62.89333737539163,
      "price_per_sqm": 190252.06493876388,
      "cost_per_unit": 1016.4836956521739,
      "floor_per_unit": 53.428260869565214,
      "yoy": 6.263899288376695,
      "ratio_national": 0.9672748577361202,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 67.33762031626512,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 896,
      "floor_total": 48284,
      "cost_total": 904553,
      "price_per_tsubo": 61.93070710525226,
      "price_per_sqm": 187340.1126667219,
      "cost_per_unit": 1009.5457589285714,
      "floor_per_unit": 53.888392857142854,
      "yoy": -1.530575908849796,
      "ratio_national": 0.9369795657611321,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 66.30696692211163,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 750,
      "floor_total": 41184,
      "cost_total": 761835,
      "price_per_tsubo": 61.15157645323426,
      "price_per_sqm": 184983.24592074592,
      "cost_per_unit": 1015.78,
      "floor_per_unit": 54.912,
      "yoy": -1.2580683935900394,
      "ratio_national": 0.9095731988770274,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 64.2348492155822,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 666,
      "floor_total": 37285,
      "cost_total": 679876,
      "price_per_tsubo": 60.27966426284029,
      "price_per_sqm": 182345.7154351616,
      "cost_per_unit": 1020.8348348348349,
      "floor_per_unit": 55.98348348348348,
      "yoy": -1.4258212804387216,
      "ratio_national": 0.8894156129545161,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 61.447160308705705,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 296,
      "floor_total": 16052,
      "cost_total": 308743,
      "price_per_tsubo": 63.583324319087964,
      "price_per_sqm": 192339.27236481436,
      "cost_per_unit": 1043.0506756756756,
      "floor_per_unit": 54.229729729729726,
      "yoy": 5.480554838266127,
      "ratio_national": 0.900743325644418,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 63.45641149609577,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 163,
      "floor_total": 9388,
      "cost_total": 191998,
      "price_per_tsubo": 67.60812403280785,
      "price_per_sqm": 204514.27354069025,
      "cost_per_unit": 1177.9018404907974,
      "floor_per_unit": 57.59509202453988,
      "yoy": 6.329961128678563,
      "ratio_national": 0.933492275686845,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 67.60812403280785,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 188,
      "floor_total": 9690,
      "cost_total": 214399,
      "price_per_tsubo": 73.1432476996904,
      "price_per_sqm": 221257.9979360165,
      "cost_per_unit": 1140.4202127659576,
      "floor_per_unit": 51.54255319148936,
      "yoy": 8.187068856098655,
      "ratio_national": 0.9946110352221054,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 67.53762483812595,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 240,
      "floor_total": 11870,
      "cost_total": 256777,
      "price_per_tsubo": 71.51228633782645,
      "price_per_sqm": 216324.34709351306,
      "cost_per_unit": 1069.9041666666667,
      "floor_per_unit": 49.458333333333336,
      "yoy": -2.2298180804881773,
      "ratio_national": 0.9295546555173374,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 61.436672111534754,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 224,
      "floor_total": 12055,
      "cost_total": 305117,
      "price_per_tsubo": 83.67090231688097,
      "price_per_sqm": 253104.1061800083,
      "cost_per_unit": 1362.1294642857142,
      "floor_per_unit": 53.816964285714285,
      "yoy": 17.00213571919209,
      "ratio_national": 0.9910301215279683,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 71.51359172382989,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 89,
      "floor_total": 4862,
      "cost_total": 150551,
      "price_per_tsubo": 102.3632230131633,
      "price_per_sqm": 309648.292883587,
      "cost_per_unit": 1691.5842696629213,
      "floor_per_unit": 54.62921348314607,
      "yoy": 22.340288175081714,
      "ratio_national": 1.0736889085531667,
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      "is_spliced": true,
      "price_per_tsubo_real": 84.31896459074407,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 120,
      "floor_total": 6550,
      "cost_total": 202889,
      "price_per_tsubo": 102.39823317709923,
      "price_per_sqm": 309754.19847328245,
      "cost_per_unit": 1690.7416666666666,
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      "rank_in_national": 15,
      "is_spliced": false,
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      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}