{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 15892,
    "price_per_tsubo": 68.25393013421741,
    "prev_price_per_tsubo": 66.33776679439693,
    "change_vs_prev": 2.8884953962338216,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 34357,
      "floor_total": 3377673,
      "cost_total": 53086010,
      "price_per_tsubo": 51.95624354338031,
      "price_per_sqm": 157167.4048968032,
      "cost_per_unit": 1545.1293768373257,
      "floor_per_unit": 98.3110574264342,
      "yoy": null,
      "ratio_national": 0.9844075659439087,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 59.10835442932913,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 37845,
      "floor_total": 3687820,
      "cost_total": 58245985,
      "price_per_tsubo": 52.21214559093177,
      "price_per_sqm": 157941.5074488451,
      "cost_per_unit": 1539.0668516316555,
      "floor_per_unit": 97.4453692693883,
      "yoy": 0.49253377476721205,
      "ratio_national": 0.9777451998572213,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 57.56576140124782,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 32808,
      "floor_total": 3113800,
      "cost_total": 49464763,
      "price_per_tsubo": 52.51465054845205,
      "price_per_sqm": 158856.58359560664,
      "cost_per_unit": 1507.7043099244088,
      "floor_per_unit": 94.90977810290173,
      "yoy": 0.5793766069112083,
      "ratio_national": 0.9669793017472393,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 56.16540165609846,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 35188,
      "floor_total": 3288990,
      "cost_total": 52607830,
      "price_per_tsubo": 52.876548221703324,
      "price_per_sqm": 159951.32244245193,
      "cost_per_unit": 1495.0503012390589,
      "floor_per_unit": 93.46908036830737,
      "yoy": 0.689136592306494,
      "ratio_national": 0.9622969559972077,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 56.552457991126545,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 38377,
      "floor_total": 3490179,
      "cost_total": 55698112,
      "price_per_tsubo": 52.75553536608867,
      "price_per_sqm": 159585.25909416107,
      "cost_per_unit": 1451.3409594288246,
      "floor_per_unit": 90.94455012116633,
      "yoy": -0.22885921960575928,
      "ratio_national": 0.9575441816580327,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 56.18267877112745,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 37416,
      "floor_total": 3360809,
      "cost_total": 54010075,
      "price_per_tsubo": 53.125888985137216,
      "price_per_sqm": 160705.57713931377,
      "cost_per_unit": 1443.502111396194,
      "floor_per_unit": 89.82277635236262,
      "yoy": 0.7020185019041669,
      "ratio_national": 0.957130589139878,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 55.74594856782499,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 36980,
      "floor_total": 3361674,
      "cost_total": 54427305,
      "price_per_tsubo": 53.52251306817675,
      "price_per_sqm": 161905.3632208239,
      "cost_per_unit": 1471.8038128718226,
      "floor_per_unit": 90.90519199567333,
      "yoy": 0.7465740162023282,
      "ratio_national": 0.9549370638539961,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 54.67059557525714,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 33311,
      "floor_total": 3175675,
      "cost_total": 51738624,
      "price_per_tsubo": 53.85847916835318,
      "price_per_sqm": 162921.6591748211,
      "cost_per_unit": 1553.1993635735944,
      "floor_per_unit": 95.3341238629882,
      "yoy": 0.6277098755592458,
      "ratio_national": 0.9544094579101504,
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      "is_spliced": false,
      "price_per_tsubo_real": 53.804674493859316,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 31526,
      "floor_total": 2985966,
      "cost_total": 48944824,
      "price_per_tsubo": 54.18725790278924,
      "price_per_sqm": 163916.21337952273,
      "cost_per_unit": 1552.5224893738502,
      "floor_per_unit": 94.71439446805812,
      "yoy": 0.6104493470904693,
      "ratio_national": 0.9520930091928035,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 54.18725790278924,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 34789,
      "floor_total": 3297013,
      "cost_total": 53483798,
      "price_per_tsubo": 53.62617757055249,
      "price_per_sqm": 162218.94787797317,
      "cost_per_unit": 1537.376699531461,
      "floor_per_unit": 94.77170944838886,
      "yoy": -1.0354469924337417,
      "ratio_national": 0.940155325475761,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 48.6184746786514,
      "deflator": 110.3,
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    },
    {
      "fiscal_year": 2022,
      "units": 34502,
      "floor_total": 3216312,
      "cost_total": 53141010,
      "price_per_tsubo": 54.619396205312164,
      "price_per_sqm": 165223.42981651032,
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      "price_per_tsubo_real": 46.80325296085018,
      "deflator": 116.7,
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    },
    {
      "fiscal_year": 2023,
      "units": 34158,
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      "price_per_tsubo": 61.16819539039585,
      "price_per_sqm": 185033.51813150823,
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      "price_per_tsubo_real": 53.28240016585004,
      "deflator": 114.8,
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    {
      "fiscal_year": 2024,
      "units": 35213,
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      "price_per_tsubo": 64.19860688594883,
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    {
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  ]
}