{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "detached",
    "label": "持家・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": 4083,
    "price_per_tsubo": 84.40195166379293,
    "prev_price_per_tsubo": 82.5671660618893,
    "change_vs_prev": 2.2221734006570415,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 14814,
      "floor_total": 1746498,
      "cost_total": 29228819,
      "price_per_tsubo": 55.3246196457196,
      "price_per_sqm": 167356.72757712862,
      "cost_per_unit": 1973.0538004590253,
      "floor_per_unit": 117.89509923045767,
      "yoy": null,
      "ratio_national": 1.0011105856385638,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 62.94040915326462,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 15946,
      "floor_total": 1878967,
      "cost_total": 31943671,
      "price_per_tsubo": 56.20059753848258,
      "price_per_sqm": 170006.55679423854,
      "cost_per_unit": 2003.240373761445,
      "floor_per_unit": 117.83312429449391,
      "yoy": 1.5833419160808493,
      "ratio_national": 1.0041686077580099,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 61.963172589286195,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 12527,
      "floor_total": 1468872,
      "cost_total": 25390030,
      "price_per_tsubo": 57.14187980552424,
      "price_per_sqm": 172853.93145216192,
      "cost_per_unit": 2026.8244591681967,
      "floor_per_unit": 117.25648599026104,
      "yoy": 1.6748616709940212,
      "ratio_national": 0.9913267781206057,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 61.11430995243234,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 12940,
      "floor_total": 1515921,
      "cost_total": 26522936,
      "price_per_tsubo": 57.838935273962164,
      "price_per_sqm": 174962.5211340169,
      "cost_per_unit": 2049.6859350850077,
      "floor_per_unit": 117.15,
      "yoy": 1.2198679336596463,
      "ratio_national": 0.9916221255508061,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 61.85982382241942,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 12899,
      "floor_total": 1498732,
      "cost_total": 26254964,
      "price_per_tsubo": 57.911219245041806,
      "price_per_sqm": 175181.17982401123,
      "cost_per_unit": 2035.4263121172185,
      "floor_per_unit": 116.18978215365532,
      "yoy": 0.12497458803011341,
      "ratio_national": 0.9863019753564749,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 61.67328993082194,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 12061,
      "floor_total": 1403850,
      "cost_total": 24783284,
      "price_per_tsubo": 58.359748131467036,
      "price_per_sqm": 176537.97770417068,
      "cost_per_unit": 2054.8282895282314,
      "floor_per_unit": 116.39582124201974,
      "yoy": 0.7745112126328335,
      "ratio_national": 0.9833877072930031,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 61.23793088296646,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 12365,
      "floor_total": 1427941,
      "cost_total": 25466776,
      "price_per_tsubo": 58.95748734229216,
      "price_per_sqm": 178346.13614988295,
      "cost_per_unit": 2059.5856045289124,
      "floor_per_unit": 115.48249090173879,
      "yoy": 1.0242319920205967,
      "ratio_national": 0.9815002821527807,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 60.22215254575297,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 12339,
      "floor_total": 1414108,
      "cost_total": 25599582,
      "price_per_tsubo": 59.84468101430725,
      "price_per_sqm": 181029.8930491872,
      "cost_per_unit": 2074.688548504741,
      "floor_per_unit": 114.60474916930059,
      "yoy": 1.5048023788128306,
      "ratio_national": 0.9837539809760125,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 59.78489611818907,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 12081,
      "floor_total": 1389791,
      "cost_total": 25396492,
      "price_per_tsubo": 60.40870122822785,
      "price_per_sqm": 182736.05167971298,
      "cost_per_unit": 2102.184587368595,
      "floor_per_unit": 115.0394007118616,
      "yoy": 0.9424734234706023,
      "ratio_national": 0.9858100610395881,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 60.40870122822785,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 13473,
      "floor_total": 1535676,
      "cost_total": 27851739,
      "price_per_tsubo": 59.95535534110711,
      "price_per_sqm": 181364.68239394246,
      "cost_per_unit": 2067.226230238254,
      "floor_per_unit": 113.98174126029838,
      "yoy": -0.7504645488204953,
      "ratio_national": 0.9719424118157258,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 54.356623156035454,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 11945,
      "floor_total": 1354716,
      "cost_total": 25048606,
      "price_per_tsubo": 61.12383055100848,
      "price_per_sqm": 184899.31469031147,
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      "is_spliced": false,
      "price_per_tsubo_real": 52.376889932312324,
      "deflator": 116.7,
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    },
    {
      "fiscal_year": 2023,
      "units": 10558,
      "floor_total": 1180016,
      "cost_total": 26596430,
      "price_per_tsubo": 74.50933913582529,
      "price_per_sqm": 225390.41843500428,
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      "price_per_tsubo_real": 64.90360551901158,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
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    {
      "fiscal_year": 2025,
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  ]
}