{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "rowhouse",
    "label": "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": 596,
    "price_per_tsubo": 73.66761635817831,
    "prev_price_per_tsubo": 66.67793882733999,
    "change_vs_prev": 10.482743848663105,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 2155,
      "floor_total": 115890,
      "cost_total": 1807225,
      "price_per_tsubo": 51.55152586720166,
      "price_per_sqm": 155943.1357321598,
      "cost_per_unit": 838.6194895591648,
      "floor_per_unit": 53.777262180974475,
      "yoy": null,
      "ratio_national": 0.9889210102353659,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 58.714721944421036,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 2299,
      "floor_total": 125761,
      "cost_total": 1992433,
      "price_per_tsubo": 52.37366979484896,
      "price_per_sqm": 158430.11744499486,
      "cost_per_unit": 866.6520226185298,
      "floor_per_unit": 54.70247933884298,
      "yoy": 1.5948003746099948,
      "ratio_national": 0.9640349552705321,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 57.93547543677982,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2207,
      "floor_total": 118522,
      "cost_total": 1954119,
      "price_per_tsubo": 54.50386467499705,
      "price_per_sqm": 164873.94745279357,
      "cost_per_unit": 885.4186678749434,
      "floor_per_unit": 53.70276393294064,
      "yoy": 4.067301162000292,
      "ratio_national": 0.978668670752068,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 58.35531549785551,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2719,
      "floor_total": 144333,
      "cost_total": 2465782,
      "price_per_tsubo": 56.47604828958035,
      "price_per_sqm": 170839.79408728427,
      "cost_per_unit": 906.870908422214,
      "floor_per_unit": 53.083118793674146,
      "yoy": 3.6184289432378725,
      "ratio_national": 0.9974967898480863,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 60.5966183364596,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2963,
      "floor_total": 158375,
      "cost_total": 2652607,
      "price_per_tsubo": 55.36834534825572,
      "price_per_sqm": 167488.99763220205,
      "cost_per_unit": 895.2436719541006,
      "floor_per_unit": 53.45089436382045,
      "yoy": -1.9613676503088318,
      "ratio_national": 0.9763147486532614,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 59.21748165588847,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2928,
      "floor_total": 155662,
      "cost_total": 2607845,
      "price_per_tsubo": 55.38273902782953,
      "price_per_sqm": 167532.53844869012,
      "cost_per_unit": 890.6574453551913,
      "floor_per_unit": 53.16325136612022,
      "yoy": 0.02599622488856923,
      "ratio_national": 0.9729913241619648,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 58.17514603763606,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 2288,
      "floor_total": 123865,
      "cost_total": 2064890,
      "price_per_tsubo": 55.10913262907197,
      "price_per_sqm": 166704.88031324427,
      "cost_per_unit": 902.4868881118881,
      "floor_per_unit": 54.1368006993007,
      "yoy": -0.49402829033080575,
      "ratio_national": 0.9544228731474514,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 56.17648586041996,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1619,
      "floor_total": 87236,
      "cost_total": 1486165,
      "price_per_tsubo": 56.31791227646843,
      "price_per_sqm": 170361.4333532028,
      "cost_per_unit": 917.9524397776405,
      "floor_per_unit": 53.882643607164916,
      "yoy": 2.1934289104720506,
      "ratio_national": 0.9681086208582473,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 56.20550127392059,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 962,
      "floor_total": 52647,
      "cost_total": 955407,
      "price_per_tsubo": 59.991545701179554,
      "price_per_sqm": 181474.158071685,
      "cost_per_unit": 993.1465696465697,
      "floor_per_unit": 54.726611226611226,
      "yoy": 6.523028422426269,
      "ratio_national": 1.0243259323777458,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 59.99154570117955,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1082,
      "floor_total": 57065,
      "cost_total": 993859,
      "price_per_tsubo": 57.57450527661439,
      "price_per_sqm": 174162.6215718917,
      "cost_per_unit": 918.5388170055453,
      "floor_per_unit": 52.740295748613676,
      "yoy": -4.028968409323119,
      "ratio_national": 0.9794235295690508,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 52.96642619743734,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1224,
      "floor_total": 63473,
      "cost_total": 1120167,
      "price_per_tsubo": 58.340347343437365,
      "price_per_sqm": 176479.2904069447,
      "cost_per_unit": 915.1691176470588,
      "floor_per_unit": 51.85702614379085,
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      "ratio_national": 0.9550271639470692,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 50.59874010705756,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1362,
      "floor_total": 73912,
      "cost_total": 1521163,
      "price_per_tsubo": 68.03557519442039,
      "price_per_sqm": 205807.31139733738,
      "cost_per_unit": 1116.859765051395,
      "floor_per_unit": 54.267254038179146,
      "yoy": 16.618392403304117,
      "ratio_national": 1.001625038512902,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 59.212859177041246,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1904,
      "floor_total": 103505,
      "cost_total": 2048489,
      "price_per_tsubo": 65.42557800405777,
      "price_per_sqm": 197912.08154195448,
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      "is_spliced": true,
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      "deflator": 119.3,
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    },
    {
      "fiscal_year": 2025,
      "units": 1511,
      "floor_total": 81891,
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      "price_per_tsubo": 73.20315927904166,
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      "deflator_provisional": true
    }
  ]
}