{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 518,
    "price_per_tsubo": 69.20555687689401,
    "prev_price_per_tsubo": 62.52811772454341,
    "change_vs_prev": 10.679098292654317,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1497,
      "floor_total": 79617,
      "cost_total": 1213568,
      "price_per_tsubo": 50.38874811560345,
      "price_per_sqm": 152425.73822173657,
      "cost_per_unit": 810.6666666666666,
      "floor_per_unit": 53.18436873747495,
      "yoy": null,
      "ratio_national": 1.0304507795526507,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 57.32508318043623,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1589,
      "floor_total": 85206,
      "cost_total": 1319379,
      "price_per_tsubo": 51.1887649274699,
      "price_per_sqm": 154845.7855080628,
      "cost_per_unit": 830.3203272498426,
      "floor_per_unit": 53.62240402769037,
      "yoy": 1.587689398496317,
      "ratio_national": 1.0078057304433017,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 56.437447549580924,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1488,
      "floor_total": 79061,
      "cost_total": 1247471,
      "price_per_tsubo": 52.16070068794981,
      "price_per_sqm": 157785.8868468651,
      "cost_per_unit": 838.3541666666666,
      "floor_per_unit": 53.13239247311828,
      "yoy": 1.8987286797348402,
      "ratio_national": 1.0101820685220113,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 55.7868456555613,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1785,
      "floor_total": 94092,
      "cost_total": 1511447,
      "price_per_tsubo": 53.10256321610763,
      "price_per_sqm": 160635.01679207585,
      "cost_per_unit": 846.7490196078431,
      "floor_per_unit": 52.712605042016804,
      "yoy": 1.8056937804430406,
      "ratio_national": 1.011409253721184,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 56.794185257869124,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2063,
      "floor_total": 109697,
      "cost_total": 1740382,
      "price_per_tsubo": 52.44753650309489,
      "price_per_sqm": 158653.56390785528,
      "cost_per_unit": 843.6170625302957,
      "floor_per_unit": 53.17353368880271,
      "yoy": -1.233512420760241,
      "ratio_national": 0.9912372148875946,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 55.85467146229487,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2172,
      "floor_total": 113962,
      "cost_total": 1836160,
      "price_per_tsubo": 53.26301193731244,
      "price_per_sqm": 161120.37345781928,
      "cost_per_unit": 845.3775322283609,
      "floor_per_unit": 52.46869244935543,
      "yoy": 1.554840300591498,
      "ratio_national": 1.002641398575892,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 55.88983414198577,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1600,
      "floor_total": 85209,
      "cost_total": 1363148,
      "price_per_tsubo": 52.8850359342323,
      "price_per_sqm": 159976.99773498104,
      "cost_per_unit": 851.9675,
      "floor_per_unit": 53.255625,
      "yoy": -0.7096406855943482,
      "ratio_national": 0.9825880728745507,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 54.0194442637715,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1306,
      "floor_total": 70343,
      "cost_total": 1160647,
      "price_per_tsubo": 54.54494755881893,
      "price_per_sqm": 164998.22299304834,
      "cost_per_unit": 888.7036753445635,
      "floor_per_unit": 53.86140888208269,
      "yoy": 3.138717021296711,
      "ratio_national": 1.0103947050603992,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 54.49045710171722,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 787,
      "floor_total": 42164,
      "cost_total": 741197,
      "price_per_tsubo": 58.11217224717768,
      "price_per_sqm": 175789.06175884642,
      "cost_per_unit": 941.8005082592122,
      "floor_per_unit": 53.57560355781449,
      "yoy": 6.539972716101716,
      "ratio_national": 1.068289447941389,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 58.11217224717768,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 890,
      "floor_total": 47041,
      "cost_total": 774645,
      "price_per_tsubo": 54.43790936736038,
      "price_per_sqm": 164674.43294147658,
      "cost_per_unit": 870.3876404494382,
      "floor_per_unit": 52.85505617977528,
      "yoy": -6.322707855746601,
      "ratio_national": 1.0071000197683677,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 49.354405591441875,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 964,
      "floor_total": 50362,
      "cost_total": 833113,
      "price_per_tsubo": 54.6860058033835,
      "price_per_sqm": 165424.92355347285,
      "cost_per_unit": 864.2251037344398,
      "floor_per_unit": 52.24273858921162,
      "yoy": 0.45574203511178357,
      "ratio_national": 0.9879281588441995,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 46.86033059415895,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1131,
      "floor_total": 61281,
      "cost_total": 1202746,
      "price_per_tsubo": 64.88186712586283,
      "price_per_sqm": 196267.35856138117,
      "cost_per_unit": 1063.4358974358975,
      "floor_per_unit": 54.183023872679044,
      "yoy": 18.64437011387745,
      "ratio_national": 1.0391476078301791,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 56.51730585876553,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1809,
      "floor_total": 98184,
      "cost_total": 1887585,
      "price_per_tsubo": 63.55373194359569,
      "price_per_sqm": 192249.75556098754,
      "cost_per_unit": 1043.441127694859,
      "floor_per_unit": 54.275290215588726,
      "yoy": -2.047005182034467,
      "ratio_national": 0.9601224689051027,
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      "is_spliced": true,
      "price_per_tsubo_real": 53.49640735992903,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 1359,
      "floor_total": 73672,
      "cost_total": 1553739,
      "price_per_tsubo": 69.71895494638397,
      "price_per_sqm": 210899.52763600825,
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      "rank_in_national": 18,
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      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}