{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 522,
    "price_per_tsubo": 69.39071890068529,
    "prev_price_per_tsubo": 62.92732279889283,
    "change_vs_prev": 10.27120782247259,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1501,
      "floor_total": 79978,
      "cost_total": 1219768,
      "price_per_tsubo": 50.41757554227412,
      "price_per_sqm": 152512.94105879116,
      "cost_per_unit": 812.636908727515,
      "floor_per_unit": 53.283144570286474,
      "yoy": null,
      "ratio_national": 1.0274493262067752,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 57.35787888768387,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1603,
      "floor_total": 86435,
      "cost_total": 1338504,
      "price_per_tsubo": 51.19237737212934,
      "price_per_sqm": 154856.7131370394,
      "cost_per_unit": 834.9993761696818,
      "floor_per_unit": 53.92077354959451,
      "yoy": 1.5367693141165928,
      "ratio_national": 1.0042946147661793,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 56.441430399260575,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1490,
      "floor_total": 79298,
      "cost_total": 1250771,
      "price_per_tsubo": 52.14237766513657,
      "price_per_sqm": 157730.45978460996,
      "cost_per_unit": 839.4436241610738,
      "floor_per_unit": 53.220134228187916,
      "yoy": 1.855745604665815,
      "ratio_national": 1.007540778104157,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 55.767248839718256,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1797,
      "floor_total": 94987,
      "cost_total": 1525451,
      "price_per_tsubo": 53.08958764136145,
      "price_per_sqm": 160595.76573636392,
      "cost_per_unit": 848.8875904284919,
      "floor_per_unit": 52.858653311074015,
      "yoy": 1.816583782020742,
      "ratio_national": 1.0097843230079384,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 56.780307637819725,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2067,
      "floor_total": 110091,
      "cost_total": 1748054,
      "price_per_tsubo": 52.49020748889555,
      "price_per_sqm": 158782.64344950995,
      "cost_per_unit": 845.6961780358007,
      "floor_per_unit": 53.26124818577649,
      "yoy": -1.1289975663682283,
      "ratio_national": 0.990522899751441,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 55.90011447166725,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2178,
      "floor_total": 114478,
      "cost_total": 1846010,
      "price_per_tsubo": 53.307372577263756,
      "price_per_sqm": 161254.56419574068,
      "cost_per_unit": 847.5711662075298,
      "floor_per_unit": 52.56106519742883,
      "yoy": 1.5567953099463017,
      "ratio_national": 1.001657271940717,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 55.93638255746459,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1618,
      "floor_total": 86261,
      "cost_total": 1379324,
      "price_per_tsubo": 52.85998870822272,
      "price_per_sqm": 159901.2299880595,
      "cost_per_unit": 852.4870210135971,
      "floor_per_unit": 53.313349814585905,
      "yoy": -0.839253272880025,
      "ratio_national": 0.9810785164131377,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 53.993859763250995,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1323,
      "floor_total": 71184,
      "cost_total": 1177422,
      "price_per_tsubo": 54.679561044335806,
      "price_per_sqm": 165405.42818610923,
      "cost_per_unit": 889.9637188208617,
      "floor_per_unit": 53.80498866213152,
      "yoy": 3.4422488172609844,
      "ratio_national": 1.0105166084982187,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 54.62493610822759,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 799,
      "floor_total": 43259,
      "cost_total": 763409,
      "price_per_tsubo": 58.33860787604892,
      "price_per_sqm": 176474.0285258559,
      "cost_per_unit": 955.4555694618273,
      "floor_per_unit": 54.141426783479346,
      "yoy": 6.691799937359133,
      "ratio_national": 1.070428785643455,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 58.33860787604892,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 894,
      "floor_total": 47375,
      "cost_total": 779460,
      "price_per_tsubo": 54.39010181319261,
      "price_per_sqm": 164529.81530343008,
      "cost_per_unit": 871.8791946308725,
      "floor_per_unit": 52.99217002237136,
      "yoy": -6.768255545702495,
      "ratio_national": 1.0033599505216109,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 49.311062387300645,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 976,
      "floor_total": 51119,
      "cost_total": 852113,
      "price_per_tsubo": 55.10488535123927,
      "price_per_sqm": 166692.0323167511,
      "cost_per_unit": 873.0665983606557,
      "floor_per_unit": 52.37602459016394,
      "yoy": 1.3141794448218613,
      "ratio_national": 0.9947819549463379,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 47.219267653161324,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1138,
      "floor_total": 61857,
      "cost_total": 1216046,
      "price_per_tsubo": 64.98848483340608,
      "price_per_sqm": 196589.87665098533,
      "cost_per_unit": 1068.5817223198594,
      "floor_per_unit": 54.35588752196836,
      "yoy": 17.935976854263668,
      "ratio_national": 1.0350410312760994,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 56.61017842631192,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1813,
      "floor_total": 98472,
      "cost_total": 1892735,
      "price_per_tsubo": 63.54074697020472,
      "price_per_sqm": 192210.4760744171,
      "cost_per_unit": 1043.9795918367347,
      "floor_per_unit": 54.31439602868174,
      "yoy": -2.227683668749225,
      "ratio_national": 0.9545154683555983,
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      "is_spliced": true,
      "price_per_tsubo_real": 53.485477247647076,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 1361,
      "floor_total": 73896,
      "cost_total": 1560899,
      "price_per_tsubo": 69.82792445071452,
      "price_per_sqm": 211229.15990040055,
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      "floor_per_unit": 54.295371050698016,
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      "is_spliced": false,
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      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}