{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 568,
    "price_per_tsubo": 71.78023362862177,
    "prev_price_per_tsubo": 66.35381197253665,
    "change_vs_prev": 8.178010418348052,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 2147,
      "floor_total": 115179,
      "cost_total": 1793679,
      "price_per_tsubo": 51.480965292371,
      "price_per_sqm": 155729.6903081291,
      "cost_per_unit": 835.4350256171402,
      "floor_per_unit": 53.64648346530042,
      "yoy": null,
      "ratio_national": 0.9980387698938772,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 58.63435682502393,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 2285,
      "floor_total": 124532,
      "cost_total": 1973308,
      "price_per_tsubo": 52.38285624032377,
      "price_per_sqm": 158457.90640156748,
      "cost_per_unit": 863.5921225382932,
      "floor_per_unit": 54.499781181619255,
      "yoy": 1.7518920689049589,
      "ratio_national": 0.9714310141705104,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 57.94563743398646,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2203,
      "floor_total": 118178,
      "cost_total": 1948370,
      "price_per_tsubo": 54.50170135135135,
      "price_per_sqm": 164867.4034084178,
      "cost_per_unit": 884.416704493872,
      "floor_per_unit": 53.64412165229233,
      "yoy": 4.044920920895723,
      "ratio_national": 0.983913229142751,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 58.35299930551536,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2705,
      "floor_total": 143246,
      "cost_total": 2446612,
      "price_per_tsubo": 56.46220825349398,
      "price_per_sqm": 170797.92803987546,
      "cost_per_unit": 904.4776340110906,
      "floor_per_unit": 52.95600739371534,
      "yoy": 3.597148077092127,
      "ratio_national": 1.0008753209828696,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 60.5817685123326,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2959,
      "floor_total": 157981,
      "cost_total": 2644935,
      "price_per_tsubo": 55.345893959716676,
      "price_per_sqm": 167421.08228204658,
      "cost_per_unit": 893.8611017235553,
      "floor_per_unit": 53.38999662047989,
      "yoy": -1.9770999546554702,
      "ratio_national": 0.9795417817032966,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 59.19346947563281,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2922,
      "floor_total": 155146,
      "cost_total": 2597995,
      "price_per_tsubo": 55.35705652127674,
      "price_per_sqm": 167454.84898095988,
      "cost_per_unit": 889.1153319644079,
      "floor_per_unit": 53.09582477754962,
      "yoy": 0.020168725738156645,
      "ratio_national": 0.9772751227107115,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 58.148168614786485,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 2266,
      "floor_total": 122494,
      "cost_total": 2043024,
      "price_per_tsubo": 55.13582958316326,
      "price_per_sqm": 166785.6384802521,
      "cost_per_unit": 901.5992939099735,
      "floor_per_unit": 54.057369814651366,
      "yoy": -0.3996363824518956,
      "ratio_national": 0.9597102502691771,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 56.20369988090037,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1602,
      "floor_total": 86395,
      "cost_total": 1469390,
      "price_per_tsubo": 56.22425797904971,
      "price_per_sqm": 170078.12952138434,
      "cost_per_unit": 917.2222222222222,
      "floor_per_unit": 53.929463171036204,
      "yoy": 1.9740854615141634,
      "ratio_national": 0.973431318352101,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 56.11203391122726,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 950,
      "floor_total": 51552,
      "cost_total": 933195,
      "price_per_tsubo": 59.84145521124301,
      "price_per_sqm": 181020.135009311,
      "cost_per_unit": 982.3105263157895,
      "floor_per_unit": 54.265263157894736,
      "yoy": 6.433517065785277,
      "ratio_national": 1.0282038478232338,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 59.84145521124301,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1078,
      "floor_total": 56731,
      "cost_total": 989044,
      "price_per_tsubo": 57.63289497382384,
      "price_per_sqm": 174339.25014542314,
      "cost_per_unit": 917.4805194805194,
      "floor_per_unit": 52.62615955473098,
      "yoy": -3.690686046358427,
      "ratio_national": 0.9903218954101987,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 53.02014257021512,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1204,
      "floor_total": 62232,
      "cost_total": 1089890,
      "price_per_tsubo": 57.89541494890089,
      "price_per_sqm": 175133.37189870162,
      "cost_per_unit": 905.2242524916943,
      "floor_per_unit": 51.68770764119601,
      "yoy": 0.45550371050471217,
      "ratio_national": 0.9569001324841202,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 50.21284904501378,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1355,
      "floor_total": 73336,
      "cost_total": 1507863,
      "price_per_tsubo": 67.97041598628232,
      "price_per_sqm": 205610.20508345152,
      "cost_per_unit": 1112.8140221402214,
      "floor_per_unit": 54.12250922509225,
      "yoy": 17.402070692944726,
      "ratio_national": 1.013416813624239,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 59.15614968344849,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1898,
      "floor_total": 103046,
      "cost_total": 2038136,
      "price_per_tsubo": 65.38487284746618,
      "price_per_sqm": 197788.94862488596,
      "cost_per_unit": 1073.8335089567965,
      "floor_per_unit": 54.29188619599579,
      "yoy": -3.8039242533662643,
      "ratio_national": 0.9195869564064895,
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      "is_spliced": true,
      "price_per_tsubo_real": 54.807102135344664,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 1479,
      "floor_total": 80222,
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      "price_per_tsubo": 72.3871665642841,
      "price_per_sqm": 218970.855874947,
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      "price_per_tsubo_real": 59.04336587625131,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}