{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 4516,
    "price_per_tsubo": 88.17705736457572,
    "prev_price_per_tsubo": 87.20708778698231,
    "change_vs_prev": 1.1122600263440745,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 17515,
      "floor_total": 2100057,
      "cost_total": 37489051,
      "price_per_tsubo": 59.01312674145988,
      "price_per_sqm": 178514.4450841096,
      "cost_per_unit": 2140.3968598344277,
      "floor_per_unit": 119.90048529831573,
      "yoy": null,
      "ratio_national": 1.0072278288379128,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 67.2131284071297,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 18658,
      "floor_total": 2238527,
      "cost_total": 40624122,
      "price_per_tsubo": 59.99249339694362,
      "price_per_sqm": 181477.02484714278,
      "cost_per_unit": 2177.3031407439166,
      "floor_per_unit": 119.97679279665559,
      "yoy": 1.659574249936635,
      "ratio_national": 1.014652310314428,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 66.3633776514863,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 14637,
      "floor_total": 1745229,
      "cost_total": 32264412,
      "price_per_tsubo": 61.11482822339074,
      "price_per_sqm": 184872.08268943502,
      "cost_per_unit": 2204.304980528797,
      "floor_per_unit": 119.2340643574503,
      "yoy": 1.8707920989733173,
      "ratio_national": 1.0006966417146317,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 65.43343492868387,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 14979,
      "floor_total": 1783327,
      "cost_total": 33335743,
      "price_per_tsubo": 61.795153582023936,
      "price_per_sqm": 186930.0638637782,
      "cost_per_unit": 2225.4985646571868,
      "floor_per_unit": 119.05514386808198,
      "yoy": 1.1131919673347257,
      "ratio_national": 0.9997396022820754,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 66.30381285624885,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 15053,
      "floor_total": 1779019,
      "cost_total": 33463239,
      "price_per_tsubo": 62.18170848867269,
      "price_per_sqm": 188099.39073163355,
      "cost_per_unit": 2223.0279014150005,
      "floor_per_unit": 118.18368431541886,
      "yoy": 0.6255424321191416,
      "ratio_national": 0.9979918439650233,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 66.50450105740394,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 13974,
      "floor_total": 1649336,
      "cost_total": 31304722,
      "price_per_tsubo": 62.744545041386345,
      "price_per_sqm": 189801.96879228976,
      "cost_per_unit": 2240.211965078002,
      "floor_per_unit": 118.02891083440676,
      "yoy": 0.9051480996476347,
      "ratio_national": 0.9949623870574829,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 65.90813554767473,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 14365,
      "floor_total": 1686338,
      "cost_total": 32490093,
      "price_per_tsubo": 63.691516492227535,
      "price_per_sqm": 192666.55320582233,
      "cost_per_unit": 2261.7537765402017,
      "floor_per_unit": 117.39213365819701,
      "yoy": 1.5092490513981094,
      "ratio_national": 0.996329009210542,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 64.92509326424826,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14125,
      "floor_total": 1644729,
      "cost_total": 32066164,
      "price_per_tsubo": 64.4507419091899,
      "price_per_sqm": 194963.20670456957,
      "cost_per_unit": 2270.1709026548674,
      "floor_per_unit": 116.44099115044247,
      "yoy": 1.1920353899173008,
      "ratio_national": 0.9943066561433266,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 64.32209771376237,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 13768,
      "floor_total": 1605337,
      "cost_total": 31334202,
      "price_per_tsubo": 64.52495122804744,
      "price_per_sqm": 195187.68956300142,
      "cost_per_unit": 2275.8717315514236,
      "floor_per_unit": 116.59914294015107,
      "yoy": 0.11514113982131757,
      "ratio_national": 0.989904744266247,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 64.52495122804744,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 15319,
      "floor_total": 1774735,
      "cost_total": 34630842,
      "price_per_tsubo": 64.50669602795911,
      "price_per_sqm": 195132.4676641865,
      "cost_per_unit": 2260.646386839872,
      "floor_per_unit": 115.85188328219857,
      "yoy": -0.028291691416881815,
      "ratio_national": 0.9766989505240075,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 59.34378659425861,
      "deflator": 108.7,
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    },
    {
      "fiscal_year": 2022,
      "units": 13552,
      "floor_total": 1564662,
      "cost_total": 31396169,
      "price_per_tsubo": 66.33326655757601,
      "price_per_sqm": 200657.83536636026,
      "cost_per_unit": 2316.718491735537,
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      "ratio_national": 0.9681863719290851,
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      "is_spliced": false,
      "price_per_tsubo_real": 57.53102043154902,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 11837,
      "floor_total": 1344657,
      "cost_total": 31987201,
      "price_per_tsubo": 78.63936244989615,
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      "ratio_national": 0.9583399911015957,
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      "is_spliced": false,
      "price_per_tsubo_real": 68.44156871183303,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 12039,
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      "cost_total": 33652332,
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    {
      "fiscal_year": 2025,
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  ]
}