{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 4096,
    "price_per_tsubo": 84.40246429075232,
    "prev_price_per_tsubo": 82.56582500609615,
    "change_vs_prev": 2.224454590650012,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 14836,
      "floor_total": 1748155,
      "cost_total": 29259529,
      "price_per_tsubo": 55.330252965503625,
      "price_per_sqm": 167373.76834434018,
      "cost_per_unit": 1972.1979644108924,
      "floor_per_unit": 117.83196279320572,
      "yoy": null,
      "ratio_national": 1.0010556792700676,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 62.94681793572653,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 15993,
      "floor_total": 1882713,
      "cost_total": 32008151,
      "price_per_tsubo": 56.20199440609907,
      "price_per_sqm": 170010.78231254578,
      "cost_per_unit": 2001.3850434565122,
      "floor_per_unit": 117.72106546614144,
      "yoy": 1.5755240467433707,
      "ratio_national": 1.0040286028059346,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 61.96471268588651,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 12569,
      "floor_total": 1471835,
      "cost_total": 25443091,
      "price_per_tsubo": 57.146022344141834,
      "price_per_sqm": 172866.4626129967,
      "cost_per_unit": 2024.2732914312992,
      "floor_per_unit": 117.10040576020367,
      "yoy": 1.6797054055083915,
      "ratio_national": 0.991335643750066,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 61.11874047501801,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 12979,
      "floor_total": 1518327,
      "cost_total": 26570119,
      "price_per_tsubo": 57.85001102464094,
      "price_per_sqm": 174996.02523040163,
      "cost_per_unit": 2047.1622621157253,
      "floor_per_unit": 116.98335773172047,
      "yoy": 1.2319119540106893,
      "ratio_national": 0.9917624002471576,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 61.87166954507053,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 12908,
      "floor_total": 1499656,
      "cost_total": 26272666,
      "price_per_tsubo": 57.914559429722544,
      "price_per_sqm": 175191.283867767,
      "cost_per_unit": 2035.37852494577,
      "floor_per_unit": 116.18035326929036,
      "yoy": 0.11157889849684466,
      "ratio_national": 0.9863128762398802,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 61.676847103005905,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 12083,
      "floor_total": 1405730,
      "cost_total": 24819334,
      "price_per_tsubo": 58.366475883604956,
      "price_per_sqm": 176558.32912436954,
      "cost_per_unit": 2054.070512289994,
      "floor_per_unit": 116.33948522717868,
      "yoy": 0.7803157933555571,
      "ratio_national": 0.9833757133554144,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 61.2449904340031,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 12390,
      "floor_total": 1429763,
      "cost_total": 25500297,
      "price_per_tsubo": 58.959860354219536,
      "price_per_sqm": 178353.31450037524,
      "cost_per_unit": 2058.1353510895883,
      "floor_per_unit": 115.39652945924132,
      "yoy": 1.0166529015695813,
      "ratio_national": 0.9815445171213101,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 60.22457645987694,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 12366,
      "floor_total": 1416203,
      "cost_total": 25640877,
      "price_per_tsubo": 59.852545699896126,
      "price_per_sqm": 181053.68368800235,
      "cost_per_unit": 2073.498059194566,
      "floor_per_unit": 114.52393660035581,
      "yoy": 1.5140560718996054,
      "ratio_national": 0.9838007248803332,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 59.79275294694918,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 12128,
      "floor_total": 1392991,
      "cost_total": 25456741,
      "price_per_tsubo": 60.412909940114474,
      "price_per_sqm": 182748.78301439135,
      "cost_per_unit": 2099.005689313984,
      "floor_per_unit": 114.85743733509234,
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      "ratio_national": 0.9858591473316916,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 60.41290994011448,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 13506,
      "floor_total": 1538275,
      "cost_total": 27900235,
      "price_per_tsubo": 59.958276550454244,
      "price_per_sqm": 181373.5190391835,
      "cost_per_unit": 2065.7659558714645,
      "floor_per_unit": 113.8956759958537,
      "yoy": -0.7525434383327867,
      "ratio_national": 0.9719907259462423,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 54.35927157792769,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 11965,
      "floor_total": 1356222,
      "cost_total": 25082932,
      "price_per_tsubo": 61.13962594345173,
      "price_per_sqm": 184947.09568197536,
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      "ratio_national": 0.9635473881551146,
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      "is_spliced": false,
      "price_per_tsubo_real": 52.39042497296636,
      "deflator": 116.7,
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    },
    {
      "fiscal_year": 2023,
      "units": 10600,
      "floor_total": 1183314,
      "cost_total": 26676722,
      "price_per_tsubo": 74.52598449809602,
      "price_per_sqm": 225440.77058160387,
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      "is_spliced": false,
      "price_per_tsubo_real": 64.91810496349828,
      "deflator": 114.8,
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    },
    {
      "fiscal_year": 2024,
      "units": 10871,
      "floor_total": 1215513,
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      "price_per_tsubo": 77.54466545858415,
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    {
      "fiscal_year": 2025,
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    }
  ]
}