{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "detached",
    "label": "分譲住宅・一戸建"
  },
  "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": 828,
    "price_per_tsubo": 49.27805717944671,
    "prev_price_per_tsubo": 49.64747771126351,
    "change_vs_prev": -0.744087210160501,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1500,
      "floor_total": 158347,
      "cost_total": 2023198,
      "price_per_tsubo": 42.23804503034475,
      "price_per_sqm": 127769.89775619368,
      "cost_per_unit": 1348.7986666666666,
      "floor_per_unit": 105.56466666666667,
      "yoy": null,
      "ratio_national": 0.8745996630570161,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 48.05238342473805,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1923,
      "floor_total": 205432,
      "cost_total": 2625618,
      "price_per_tsubo": 42.25116694682425,
      "price_per_sqm": 127809.59149499591,
      "cost_per_unit": 1365.3759750390016,
      "floor_per_unit": 106.82891315652626,
      "yoy": 0.03106658101734716,
      "ratio_national": 0.8841567943235098,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 46.583425520203136,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1728,
      "floor_total": 185113,
      "cost_total": 2366276,
      "price_per_tsubo": 42.25749427668505,
      "price_per_sqm": 127828.73163959311,
      "cost_per_unit": 1369.3726851851852,
      "floor_per_unit": 107.12557870370371,
      "yoy": 0.01497551504023864,
      "ratio_national": 0.8801848046607368,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 45.195181044582945,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2010,
      "floor_total": 217889,
      "cost_total": 2794414,
      "price_per_tsubo": 42.39656823914929,
      "price_per_sqm": 128249.42975551772,
      "cost_per_unit": 1390.2557213930347,
      "floor_per_unit": 108.40248756218905,
      "yoy": 0.3291107644803448,
      "ratio_national": 0.8762242153556805,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 45.343923250427046,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2130,
      "floor_total": 235178,
      "cost_total": 3071555,
      "price_per_tsubo": 43.17544924886682,
      "price_per_sqm": 130605.54133464865,
      "cost_per_unit": 1442.044600938967,
      "floor_per_unit": 110.41220657276995,
      "yoy": 1.837132206842873,
      "ratio_national": 0.8928068724123348,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 45.980244141498204,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2399,
      "floor_total": 263057,
      "cost_total": 3471574,
      "price_per_tsubo": 43.6266459872195,
      "price_per_sqm": 131970.40945498503,
      "cost_per_unit": 1447.0921217173823,
      "floor_per_unit": 109.65277198832847,
      "yoy": 1.0450307899564582,
      "ratio_national": 0.8961715071856589,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 45.77822244199318,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 2455,
      "floor_total": 269146,
      "cost_total": 3595284,
      "price_per_tsubo": 44.15913256879166,
      "price_per_sqm": 133581.17898835576,
      "cost_per_unit": 1464.474134419552,
      "floor_per_unit": 109.63177189409369,
      "yoy": 1.220553561986315,
      "ratio_national": 0.9000850723788407,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 45.10636626025706,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 2505,
      "floor_total": 275538,
      "cost_total": 3578720,
      "price_per_tsubo": 42.93598991355094,
      "price_per_sqm": 129881.17791375419,
      "cost_per_unit": 1428.630738522954,
      "floor_per_unit": 109.99520958083832,
      "yoy": -2.769852087414293,
      "ratio_national": 0.8765785189753234,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 42.893096816734214,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 2155,
      "floor_total": 235780,
      "cost_total": 3021715,
      "price_per_tsubo": 42.366423063236915,
      "price_per_sqm": 128158.2407328866,
      "cost_per_unit": 1402.1879350348029,
      "floor_per_unit": 109.4106728538283,
      "yoy": -1.3265487798483577,
      "ratio_national": 0.8662004128696006,
      "rank_in_national": 47,
      "is_spliced": false,
      "price_per_tsubo_real": 42.366423063236915,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 2344,
      "floor_total": 259013,
      "cost_total": 3355163,
      "price_per_tsubo": 42.822037093775215,
      "price_per_sqm": 129536.4711423751,
      "cost_per_unit": 1431.3835324232082,
      "floor_per_unit": 110.50042662116041,
      "yoy": 1.0754130219071012,
      "ratio_national": 0.8736753451664417,
      "rank_in_national": 47,
      "is_spliced": false,
      "price_per_tsubo_real": 38.8232430587264,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 2563,
      "floor_total": 277970,
      "cost_total": 3780201,
      "price_per_tsubo": 44.95647251066662,
      "price_per_sqm": 135993.1287549016,
      "cost_per_unit": 1474.9126024190402,
      "floor_per_unit": 108.45493562231759,
      "yoy": 4.984432226372704,
      "ratio_national": 0.8873771670253872,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 38.523112691231034,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 2190,
      "floor_total": 235886,
      "cost_total": 3391815,
      "price_per_tsubo": 47.53409744050092,
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      "is_spliced": false,
      "price_per_tsubo_real": 41.40600822343286,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1984,
      "floor_total": 214047,
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      "price_per_tsubo": 50.90739300298533,
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    {
      "fiscal_year": 2025,
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  ]
}