{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "all",
    "building_type": "detached",
    "label": "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": 9466,
    "price_per_tsubo": 66.12781002179615,
    "prev_price_per_tsubo": 64.82141997419099,
    "change_vs_prev": 2.0153678338507746,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 28434,
      "floor_total": 3108775,
      "cost_total": 48589816,
      "price_per_tsubo": 51.66913907717348,
      "price_per_sqm": 156298.91516754992,
      "cost_per_unit": 1708.8631919532954,
      "floor_per_unit": 109.33301681086024,
      "yoy": null,
      "ratio_national": 0.9721294112298547,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 58.78172818791067,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 30672,
      "floor_total": 3359860,
      "cost_total": 52798434,
      "price_per_tsubo": 51.9487523685094,
      "price_per_sqm": 157144.74412624334,
      "cost_per_unit": 1721.3886932707355,
      "floor_per_unit": 109.54160146061554,
      "yoy": 0.5411611192481569,
      "ratio_national": 0.968818878193577,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 57.27536093551202,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 25722,
      "floor_total": 2799959,
      "cost_total": 44126039,
      "price_per_tsubo": 52.097698025510375,
      "price_per_sqm": 157595.30407409536,
      "cost_per_unit": 1715.4979783842625,
      "floor_per_unit": 108.85463805302854,
      "yoy": 0.28671652390108715,
      "ratio_national": 0.9545701278271544,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 55.7194631288881,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 27094,
      "floor_total": 2951788,
      "cost_total": 46938908,
      "price_per_tsubo": 52.56819686146837,
      "price_per_sqm": 159018.56095356442,
      "cost_per_unit": 1732.4465933416993,
      "floor_per_unit": 108.94618734775227,
      "yoy": 0.9031086857764992,
      "ratio_national": 0.9522194099630291,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 56.22267044007313,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 28529,
      "floor_total": 3097102,
      "cost_total": 48984716,
      "price_per_tsubo": 52.28538947236481,
      "price_per_sqm": 158163.0698633755,
      "cost_per_unit": 1717.0148270181219,
      "floor_per_unit": 108.55978127519366,
      "yoy": -0.5379819091928084,
      "ratio_national": 0.9448158048826814,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 55.68199091838638,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 27480,
      "floor_total": 2973221,
      "cost_total": 47206871,
      "price_per_tsubo": 52.48718547430211,
      "price_per_sqm": 158773.50186884863,
      "cost_per_unit": 1717.862845705968,
      "floor_per_unit": 108.19581513828238,
      "yoy": 0.38595103521978924,
      "ratio_national": 0.9415572245572417,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 55.07574551343348,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 28022,
      "floor_total": 3018883,
      "cost_total": 48285018,
      "price_per_tsubo": 52.87390390890273,
      "price_per_sqm": 159943.32340802872,
      "cost_per_unit": 1723.111055599172,
      "floor_per_unit": 107.73260295482122,
      "yoy": 0.7367863814872644,
      "ratio_national": 0.9398861848203485,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 54.00807345138175,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 26970,
      "floor_total": 2907249,
      "cost_total": 47085862,
      "price_per_tsubo": 53.54063987672882,
      "price_per_sqm": 161960.1967358145,
      "cost_per_unit": 1745.8606599925843,
      "floor_per_unit": 107.7956618464961,
      "yoy": 1.2609925096032537,
      "ratio_national": 0.9447600143541969,
      "rank_in_national": 45,
      "is_spliced": false,
      "price_per_tsubo_real": 53.487152724004815,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 25204,
      "floor_total": 2724687,
      "cost_total": 44248706,
      "price_per_tsubo": 53.68577374492556,
      "price_per_sqm": 162399.22603954142,
      "cost_per_unit": 1755.622361529916,
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      "ratio_national": 0.9400712266445453,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 53.685773744925555,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 28110,
      "floor_total": 3026700,
      "cost_total": 48790409,
      "price_per_tsubo": 53.28934026104668,
      "price_per_sqm": 161200.01651964185,
      "cost_per_unit": 1735.6958022056208,
      "floor_per_unit": 107.67342582710779,
      "yoy": -0.7384330265266081,
      "ratio_national": 0.9304374008674656,
      "rank_in_national": 46,
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      "price_per_tsubo_real": 48.313091805119385,
      "deflator": 110.3,
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    {
      "fiscal_year": 2022,
      "units": 27528,
      "floor_total": 2924501,
      "cost_total": 47881191,
      "price_per_tsubo": 54.123818865471414,
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      "deflator": 116.7,
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    },
    {
      "fiscal_year": 2023,
      "units": 25751,
      "floor_total": 2702309,
      "cost_total": 49438546,
      "price_per_tsubo": 60.479186866246614,
      "price_per_sqm": 182949.2704202221,
      "cost_per_unit": 1919.8689759620986,
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      "ratio_national": 0.879555248113987,
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      "price_per_tsubo_real": 52.68221852460506,
      "deflator": 114.8,
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    {
      "fiscal_year": 2024,
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      "price_per_tsubo": 63.12096060493439,
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    {
      "fiscal_year": 2025,
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  ]
}