{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "all",
    "label": "分譲住宅"
  },
  "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": 0.874576222976606,
      "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": 0.8839193740635806,
      "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": 0.8799812002322723,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 45.195181044582945,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2014,
      "floor_total": 218115,
      "cost_total": 2798164,
      "price_per_tsubo": 42.40947467877038,
      "price_per_sqm": 128288.47167778465,
      "cost_per_unit": 1389.3565044687189,
      "floor_per_unit": 108.29940417080437,
      "yoy": 0.3596531329809194,
      "ratio_national": 0.8764097932650112,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 45.35772692916618,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2132,
      "floor_total": 235413,
      "cost_total": 3076755,
      "price_per_tsubo": 43.205370610161715,
      "price_per_sqm": 130696.05331906055,
      "cost_per_unit": 1443.1308630393996,
      "floor_per_unit": 110.4188555347092,
      "yoy": 1.8766936808810586,
      "ratio_national": 0.8933678791989258,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 46.01210927599757,
      "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": 0.975053265620418,
      "ratio_national": 0.8960887346099405,
      "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": 0.9002581136567483,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 45.10636626025706,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 2513,
      "floor_total": 275772,
      "cost_total": 3582605,
      "price_per_tsubo": 42.94612862418955,
      "price_per_sqm": 129911.84746819836,
      "cost_per_unit": 1425.6287306008755,
      "floor_per_unit": 109.73816155988858,
      "yoy": -2.7468925996507743,
      "ratio_national": 0.877312066260408,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 42.90322539879076,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 2159,
      "floor_total": 236014,
      "cost_total": 3025797,
      "price_per_tsubo": 42.38159373863415,
      "price_per_sqm": 128204.13195827366,
      "cost_per_unit": 1401.4807781380268,
      "floor_per_unit": 109.31635016211209,
      "yoy": -1.3145186857131952,
      "ratio_national": 0.8666407386594176,
      "rank_in_national": 47,
      "is_spliced": false,
      "price_per_tsubo_real": 42.38159373863415,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 2344,
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      "cost_total": 3355163,
      "price_per_tsubo": 42.822037093775215,
      "price_per_sqm": 129536.4711423751,
      "cost_per_unit": 1431.3835324232082,
      "floor_per_unit": 110.50042662116041,
      "yoy": 1.0392326391906348,
      "ratio_national": 0.873675578425936,
      "rank_in_national": 47,
      "is_spliced": false,
      "price_per_tsubo_real": 38.8232430587264,
      "deflator": 110.3,
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    },
    {
      "fiscal_year": 2022,
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      "price_per_tsubo": 45.043630427238426,
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      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
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      "cost_total": 3411915,
      "price_per_tsubo": 47.65799409233227,
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      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
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    {
      "fiscal_year": 2025,
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  ]
}