{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 5271,
    "price_per_tsubo": 50.6877151837973,
    "prev_price_per_tsubo": 50.85039075359306,
    "change_vs_prev": -0.3199101666377402,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 13703,
      "floor_total": 1377324,
      "cost_total": 19792564,
      "price_per_tsubo": 47.50520585247916,
      "price_per_sqm": 143703.03574177172,
      "cost_per_unit": 1444.396409545355,
      "floor_per_unit": 100.51258848427352,
      "yoy": null,
      "ratio_national": 0.9674890973699635,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 54.10615700737945,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 14638,
      "floor_total": 1483205,
      "cost_total": 21087770,
      "price_per_tsubo": 47.00074446101517,
      "price_per_sqm": 142177.04228343352,
      "cost_per_unit": 1440.6182538598168,
      "floor_per_unit": 101.325659243066,
      "yoy": -1.0619076002544303,
      "ratio_national": 0.9659054675900948,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 51.99197396129996,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 13197,
      "floor_total": 1341029,
      "cost_total": 19140643,
      "price_per_tsubo": 47.183876130173175,
      "price_per_sqm": 142731.01476552707,
      "cost_per_unit": 1450.378343562931,
      "floor_per_unit": 101.61620065166326,
      "yoy": 0.38963567760061935,
      "ratio_national": 0.9636792856390625,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 50.518068661855644,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 13970,
      "floor_total": 1426273,
      "cost_total": 20421726,
      "price_per_tsubo": 47.333110557053246,
      "price_per_sqm": 143182.44824097492,
      "cost_per_unit": 1461.8272011453114,
      "floor_per_unit": 102.09541875447387,
      "yoy": 0.3162826777273642,
      "ratio_national": 0.959172977716999,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 50.78659931014297,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 15417,
      "floor_total": 1585157,
      "cost_total": 22717306,
      "price_per_tsubo": 47.376154539733285,
      "price_per_sqm": 143312.65609652546,
      "cost_per_unit": 1473.5231238243498,
      "floor_per_unit": 102.81877148602193,
      "yoy": 0.09093841958296434,
      "ratio_national": 0.9635066649338806,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 50.66968399971474,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 15311,
      "floor_total": 1566278,
      "cost_total": 22537462,
      "price_per_tsubo": 47.567619863766204,
      "price_per_sqm": 143891.83784743195,
      "cost_per_unit": 1471.9784468682647,
      "floor_per_unit": 102.2975638429887,
      "yoy": 0.4041385922792573,
      "ratio_national": 0.9592583175995963,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 49.96598725185525,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 15545,
      "floor_total": 1587167,
      "cost_total": 22970122,
      "price_per_tsubo": 47.84272833695509,
      "price_per_sqm": 144724.0397513305,
      "cost_per_unit": 1477.6533933740752,
      "floor_per_unit": 102.101447410743,
      "yoy": 0.5783524043809551,
      "ratio_national": 0.9564151010900852,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 48.76934590923047,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14433,
      "floor_total": 1481074,
      "cost_total": 21474147,
      "price_per_tsubo": 47.93077213638887,
      "price_per_sqm": 144990.37185177783,
      "cost_per_unit": 1487.850550821035,
      "floor_per_unit": 102.61719670200236,
      "yoy": 0.18402754711999147,
      "ratio_national": 0.9568505297907954,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 47.83510193252381,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 12947,
      "floor_total": 1322005,
      "cost_total": 18823996,
      "price_per_tsubo": 47.07106080297729,
      "price_per_sqm": 142389.7489041267,
      "cost_per_unit": 1453.9272418320847,
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      "ratio_national": 0.9392271248828685,
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      "is_spliced": false,
      "price_per_tsubo_real": 47.07106080297729,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 14470,
      "floor_total": 1478049,
      "cost_total": 20919977,
      "price_per_tsubo": 46.78941683721581,
      "price_per_sqm": 141537.77716435652,
      "cost_per_unit": 1445.7482377332412,
      "floor_per_unit": 102.14574982722876,
      "yoy": -0.5983378342382051,
      "ratio_national": 0.932833738011149,
      "rank_in_national": 39,
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      "price_per_tsubo_real": 43.0445417085702,
      "deflator": 108.7,
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    {
      "fiscal_year": 2022,
      "units": 15498,
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      "cost_total": 22989939,
      "price_per_tsubo": 48.48621423455489,
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    },
    {
      "fiscal_year": 2023,
      "units": 14965,
      "floor_total": 1505792,
      "cost_total": 22646362,
      "price_per_tsubo": 49.71743576535139,
      "price_per_sqm": 150395.02135753146,
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      "deflator": 114.9,
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    {
      "fiscal_year": 2024,
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    {
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  ]
}