{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "all",
    "label": "持家"
  },
  "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": 4531,
    "price_per_tsubo": 88.18657473481426,
    "prev_price_per_tsubo": 87.19835645727026,
    "change_vs_prev": 1.1332992016062349,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 17557,
      "floor_total": 2103529,
      "cost_total": 37556830,
      "price_per_tsubo": 59.02223979117949,
      "price_per_sqm": 178542.01201885022,
      "cost_per_unit": 2139.13709631486,
      "floor_per_unit": 119.8114142507262,
      "yoy": null,
      "ratio_national": 1.0069410188756338,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 67.22350773482859,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 18722,
      "floor_total": 2243692,
      "cost_total": 40717450,
      "price_per_tsubo": 59.99189685371255,
      "price_per_sqm": 181475.22030653048,
      "cost_per_unit": 2174.845102019015,
      "floor_per_unit": 119.84253819036428,
      "yoy": 1.6428672750537832,
      "ratio_national": 1.014338358485159,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 66.36271775853157,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 14694,
      "floor_total": 1749642,
      "cost_total": 32351947,
      "price_per_tsubo": 61.12607200394709,
      "price_per_sqm": 184906.09507544973,
      "cost_per_unit": 2201.7113787940657,
      "floor_per_unit": 119.07186606778276,
      "yoy": 1.8905472400717382,
      "ratio_national": 1.0005181356499018,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 65.44547323763071,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 15031,
      "floor_total": 1786929,
      "cost_total": 33411806,
      "price_per_tsubo": 61.81130540538544,
      "price_per_sqm": 186978.92305737943,
      "cost_per_unit": 2222.8598230323996,
      "floor_per_unit": 118.88290865544542,
      "yoy": 1.1210165792987725,
      "ratio_national": 0.9998532371449259,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 66.32114313882558,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 15064,
      "floor_total": 1780193,
      "cost_total": 33486551,
      "price_per_tsubo": 62.18399096631096,
      "price_per_sqm": 188106.2952163052,
      "cost_per_unit": 2222.9521375464683,
      "floor_per_unit": 118.17531864046734,
      "yoy": 0.6029407702705658,
      "ratio_national": 0.997678687627675,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 66.50694220995824,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 14006,
      "floor_total": 1651800,
      "cost_total": 31355785,
      "price_per_tsubo": 62.753142326643655,
      "price_per_sqm": 189827.97554183315,
      "cost_per_unit": 2238.739468799086,
      "floor_per_unit": 117.93517064115379,
      "yoy": 0.9152699135072329,
      "ratio_national": 0.9946372138229008,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 65.91716630949963,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 14408,
      "floor_total": 1689920,
      "cost_total": 32570366,
      "price_per_tsubo": 63.71354278258143,
      "price_per_sqm": 192733.18263586442,
      "cost_per_unit": 2260.57509716824,
      "floor_per_unit": 117.29039422543032,
      "yoy": 1.5304420150606735,
      "ratio_national": 0.9963094670972158,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 64.9475461596141,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14162,
      "floor_total": 1647494,
      "cost_total": 32127139,
      "price_per_tsubo": 64.46492359596454,
      "price_per_sqm": 195006.10624378602,
      "cost_per_unit": 2268.545332580144,
      "floor_per_unit": 116.33201525208304,
      "yoy": 1.1793109919301603,
      "ratio_national": 0.9940627868739962,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 64.33625109377698,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 13837,
      "floor_total": 1610674,
      "cost_total": 31456342,
      "price_per_tsubo": 64.5618299048597,
      "price_per_sqm": 195299.2473958107,
      "cost_per_unit": 2273.3498590734985,
      "floor_per_unit": 116.40341114403411,
      "yoy": 0.15032408865096603,
      "ratio_national": 0.9899822069555362,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 64.5618299048597,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 15374,
      "floor_total": 1779854,
      "cost_total": 34747037,
      "price_per_tsubo": 64.53698305829018,
      "price_per_sqm": 195224.08579580122,
      "cost_per_unit": 2260.1168856510994,
      "floor_per_unit": 115.77039157018342,
      "yoy": -0.0384853505641769,
      "ratio_national": 0.9765274117332287,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 59.371649547645056,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 13585,
      "floor_total": 1567454,
      "cost_total": 31470271,
      "price_per_tsubo": 66.37139410093694,
      "price_per_sqm": 200773.17101490698,
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      "is_spliced": false,
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      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 11887,
      "floor_total": 1348605,
      "cost_total": 32087565,
      "price_per_tsubo": 78.65516700690713,
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      "yoy": 18.50763129562889,
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      "price_per_tsubo_real": 68.45532376580256,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 12081,
      "floor_total": 1370074,
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      "price_per_tsubo": 81.36074676054724,
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    {
      "fiscal_year": 2025,
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  ]
}