{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "all",
    "building_type": "all",
    "label": "新築住宅すべて"
  },
  "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": 3419,
    "price_per_tsubo": 149.9468192836038,
    "prev_price_per_tsubo": 137.17387760885472,
    "change_vs_prev": 9.31149712860821,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 10896,
      "floor_total": 764868,
      "cost_total": 13787434,
      "price_per_tsubo": 59.58983961005036,
      "price_per_sqm": 180258.9989383789,
      "cost_per_unit": 1265.3665565345082,
      "floor_per_unit": 70.19713656387665,
      "yoy": null,
      "ratio_national": 0.9971337782108987,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 68.2586937113979,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 8152,
      "floor_total": 564596,
      "cost_total": 11136112,
      "price_per_tsubo": 65.20352196699942,
      "price_per_sqm": 197240.36302063777,
      "cost_per_unit": 1366.0588812561334,
      "floor_per_unit": 69.25858684985279,
      "yoy": 9.420536107639155,
      "ratio_national": 1.0318268438923186,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 72.6906599409135,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7349,
      "floor_total": 515240,
      "cost_total": 11382068,
      "price_per_tsubo": 73.02757273061097,
      "price_per_sqm": 220908.08167067776,
      "cost_per_unit": 1548.7914001905021,
      "floor_per_unit": 70.1102190774255,
      "yoy": 11.999429674322549,
      "ratio_national": 1.0370148992002832,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 78.86346947150213,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7155,
      "floor_total": 433053,
      "cost_total": 10918803,
      "price_per_tsubo": 83.35069788079058,
      "price_per_sqm": 252135.48918954493,
      "cost_per_unit": 1526.0381551362684,
      "floor_per_unit": 60.52452830188679,
      "yoy": 14.135928066869008,
      "ratio_national": 1.085743246408589,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 90.30411471374927,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 7633,
      "floor_total": 507175,
      "cost_total": 12640390,
      "price_per_tsubo": 82.39064397515651,
      "price_per_sqm": 249231.33040863607,
      "cost_per_unit": 1656.0186034324643,
      "floor_per_unit": 66.44504126817765,
      "yoy": -1.1518246757899364,
      "ratio_national": 1.04686841412245,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 89.16736360947674,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 6822,
      "floor_total": 458275,
      "cost_total": 12132601,
      "price_per_tsubo": 87.51913383839398,
      "price_per_sqm": 264744.98936228245,
      "cost_per_unit": 1778.4522134271474,
      "floor_per_unit": 67.17604807974202,
      "yoy": 6.224602231272636,
      "ratio_national": 1.108149539031851,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 92.51494063255178,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 6601,
      "floor_total": 409110,
      "cost_total": 10769428,
      "price_per_tsubo": 87.02174815604604,
      "price_per_sqm": 263240.39989244944,
      "cost_per_unit": 1631.4843205574914,
      "floor_per_unit": 61.97697318588093,
      "yoy": -0.568316504670141,
      "ratio_national": 1.0748514344902877,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 88.79770220004698,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 6179,
      "floor_total": 387566,
      "cost_total": 9958257,
      "price_per_tsubo": 84.94012995987781,
      "price_per_sqm": 256943.514136947,
      "cost_per_unit": 1611.6292280304256,
      "floor_per_unit": 62.72309435183686,
      "yoy": -2.3920666273395397,
      "ratio_national": 1.0154753098845806,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 84.77058878231318,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 5466,
      "floor_total": 342689,
      "cost_total": 8937271,
      "price_per_tsubo": 86.21444253854078,
      "price_per_sqm": 260798.30400158744,
      "cost_per_unit": 1635.0660446395902,
      "floor_per_unit": 62.69465788510794,
      "yoy": 1.5002479737962648,
      "ratio_national": 1.0060592115794282,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 86.21444253854078,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5798,
      "floor_total": 381719,
      "cost_total": 10372806,
      "price_per_tsubo": 89.8313113749643,
      "price_per_sqm": 271739.3160937758,
      "cost_per_unit": 1789.0317350810624,
      "floor_per_unit": 65.83632286995515,
      "yoy": 4.195200629878992,
      "ratio_national": 1.027701183864934,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 85.39098039445275,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5939,
      "floor_total": 341714,
      "cost_total": 9702664,
      "price_per_tsubo": 93.86495614625096,
      "price_per_sqm": 283941.0735293257,
      "cost_per_unit": 1633.7201549082338,
      "floor_per_unit": 57.537295841050685,
      "yoy": 4.490243668435223,
      "ratio_national": 1.0250537589028943,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 84.03308518017096,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 8281,
      "floor_total": 473633,
      "cost_total": 15076055,
      "price_per_tsubo": 105.22550552526957,
      "price_per_sqm": 318306.6847115805,
      "cost_per_unit": 1820.5597150102644,
      "floor_per_unit": 57.19514551382683,
      "yoy": 12.10307855608832,
      "ratio_national": 1.0504412914813037,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 92.3841137184105,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 7115,
      "floor_total": 397967,
      "cost_total": 14575275,
      "price_per_tsubo": 121.07234605444673,
      "price_per_sqm": 366243.3066058241,
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      "floor_per_unit": 55.93352073085032,
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      "price_per_tsubo_real": 101.82703621063642,
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    {
      "fiscal_year": 2025,
      "units": 6879,
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    }
  ]
}