{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・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": 161,
    "price_per_tsubo": 74.35436216509399,
    "prev_price_per_tsubo": 72.33960404692083,
    "change_vs_prev": 2.7851384379521136,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 194,
      "floor_total": 15364,
      "cost_total": 241381,
      "price_per_tsubo": 51.936663368263474,
      "price_per_sqm": 157108.17495443896,
      "cost_per_unit": 1244.2319587628865,
      "floor_per_unit": 79.19587628865979,
      "yoy": null,
      "ratio_national": 1.0993801298697679,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 59.086078917250816,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 368,
      "floor_total": 29738,
      "cost_total": 442880,
      "price_per_tsubo": 49.23223737978344,
      "price_per_sqm": 148927.29840607976,
      "cost_per_unit": 1203.4782608695652,
      "floor_per_unit": 80.80978260869566,
      "yoy": -5.207161594698451,
      "ratio_national": 0.9885017068327295,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 54.280305821150435,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 314,
      "floor_total": 25706,
      "cost_total": 404480,
      "price_per_tsubo": 52.01610282424337,
      "price_per_sqm": 157348.47895432974,
      "cost_per_unit": 1288.1528662420383,
      "floor_per_unit": 81.86624203821655,
      "yoy": 5.654558055090719,
      "ratio_national": 0.9771487022019009,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 55.632195533950124,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 386,
      "floor_total": 31999,
      "cost_total": 537212,
      "price_per_tsubo": 55.49892363761367,
      "price_per_sqm": 167883.99637488672,
      "cost_per_unit": 1391.740932642487,
      "floor_per_unit": 82.89896373056995,
      "yoy": 6.6956588907445935,
      "ratio_national": 1.0208678652082965,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 59.357137580335475,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 445,
      "floor_total": 37636,
      "cost_total": 581325,
      "price_per_tsubo": 51.06117471968328,
      "price_per_sqm": 154459.82569879902,
      "cost_per_unit": 1306.3483146067415,
      "floor_per_unit": 84.5752808988764,
      "yoy": -7.996099071951668,
      "ratio_national": 0.9416544178810214,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 54.378247837788365,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 355,
      "floor_total": 30381,
      "cost_total": 501467,
      "price_per_tsubo": 54.56517540337711,
      "price_per_sqm": 165059.41213258286,
      "cost_per_unit": 1412.5830985915493,
      "floor_per_unit": 85.58028169014085,
      "yoy": 6.862358147712366,
      "ratio_national": 1.0047806907213432,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 57.25621763208512,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 343,
      "floor_total": 29246,
      "cost_total": 480990,
      "price_per_tsubo": 54.368184780824734,
      "price_per_sqm": 164463.51637830815,
      "cost_per_unit": 1402.3032069970845,
      "floor_per_unit": 85.26530612244898,
      "yoy": -0.36101894861715333,
      "ratio_national": 1.0194541029639566,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 55.534407334856716,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 390,
      "floor_total": 32645,
      "cost_total": 552230,
      "price_per_tsubo": 55.92147072139685,
      "price_per_sqm": 169162.19941798132,
      "cost_per_unit": 1415.974358974359,
      "floor_per_unit": 83.7051282051282,
      "yoy": 2.8569759075715018,
      "ratio_national": 1.0357178664246858,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 55.86560511628057,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 322,
      "floor_total": 29000,
      "cost_total": 491393,
      "price_per_tsubo": 56.01524363689656,
      "price_per_sqm": 169445.8620689655,
      "cost_per_unit": 1526.0652173913043,
      "floor_per_unit": 90.06211180124224,
      "yoy": 0.16768678343044296,
      "ratio_national": 1.0149269490287138,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 56.015243636896564,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 332,
      "floor_total": 30581,
      "cost_total": 521202,
      "price_per_tsubo": 56.341661802426344,
      "price_per_sqm": 170433.27556325824,
      "cost_per_unit": 1569.8855421686746,
      "floor_per_unit": 92.11144578313252,
      "yoy": 0.5827309573902761,
      "ratio_national": 1.0177567378963581,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 51.08038241380448,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 356,
      "floor_total": 30709,
      "cost_total": 577441,
      "price_per_tsubo": 62.1608871467648,
      "price_per_sqm": 188036.40626526426,
      "cost_per_unit": 1622.0252808988764,
      "floor_per_unit": 86.26123595505618,
      "yoy": 10.32845883166309,
      "ratio_national": 1.0614296604818432,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 53.265541685316876,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 422,
      "floor_total": 36376,
      "cost_total": 741097,
      "price_per_tsubo": 67.34965503711238,
      "price_per_sqm": 203732.40598196612,
      "cost_per_unit": 1756.154028436019,
      "floor_per_unit": 86.19905213270142,
      "yoy": 8.347319558192057,
      "ratio_national": 0.9693574228529481,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 58.66694689643936,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 519,
      "floor_total": 46649,
      "cost_total": 933390,
      "price_per_tsubo": 66.1448547257176,
      "price_per_sqm": 200087.89041565737,
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      "floor_per_unit": 89.88246628131022,
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      "is_spliced": true,
      "price_per_tsubo_real": 55.677487142859924,
      "deflator": 118.8,
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    },
    {
      "fiscal_year": 2025,
      "units": 411,
      "floor_total": 35512,
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      "price_per_tsubo": 71.60090543393783,
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    }
  ]
}