{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "detached",
    "label": "分譲住宅・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": 54,
    "price_per_tsubo": 101.55228965334217,
    "prev_price_per_tsubo": 106.4779956197183,
    "change_vs_prev": -4.626031827240709,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 279,
      "floor_total": 31272,
      "cost_total": 687313,
      "price_per_tsubo": 72.65644801323869,
      "price_per_sqm": 219785.4310565362,
      "cost_per_unit": 2463.4874551971325,
      "floor_per_unit": 112.08602150537635,
      "yoy": null,
      "ratio_national": 1.0613116743257294,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 82.75221869389372,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 266,
      "floor_total": 30769,
      "cost_total": 651518,
      "price_per_tsubo": 69.99842988787417,
      "price_per_sqm": 211744.93808703564,
      "cost_per_unit": 2449.315789473684,
      "floor_per_unit": 115.67293233082707,
      "yoy": -3.658337557156943,
      "ratio_national": 0.9965535820553609,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 77.51764107184293,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 329,
      "floor_total": 37360,
      "cost_total": 825958,
      "price_per_tsubo": 73.08468139239828,
      "price_per_sqm": 221080.835117773,
      "cost_per_unit": 2510.5106382978724,
      "floor_per_unit": 113.55623100303951,
      "yoy": 4.409029616046789,
      "ratio_national": 1.008366873074576,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 78.08192456452808,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 225,
      "floor_total": 25070,
      "cost_total": 601426,
      "price_per_tsubo": 79.30546695412845,
      "price_per_sqm": 239898.6836856801,
      "cost_per_unit": 2673.0044444444443,
      "floor_per_unit": 111.42222222222222,
      "yoy": 8.511750264505103,
      "ratio_national": 1.0671802793460494,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 84.90949352690411,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 229,
      "floor_total": 24355,
      "cost_total": 570347,
      "price_per_tsubo": 77.41520875097517,
      "price_per_sqm": 234180.6610552248,
      "cost_per_unit": 2490.598253275109,
      "floor_per_unit": 106.353711790393,
      "yoy": -2.3835156336027064,
      "ratio_national": 1.0337176125219518,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 82.88566247427748,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 244,
      "floor_total": 27090,
      "cost_total": 609609,
      "price_per_tsubo": 74.3905255116279,
      "price_per_sqm": 225031.00775193798,
      "cost_per_unit": 2498.3975409836066,
      "floor_per_unit": 111.02459016393442,
      "yoy": -3.907091756449177,
      "ratio_national": 0.9786395142767519,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 78.1413083105335,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 242,
      "floor_total": 26932,
      "cost_total": 666697,
      "price_per_tsubo": 81.83425945455221,
      "price_per_sqm": 247548.2697163226,
      "cost_per_unit": 2754.9462809917354,
      "floor_per_unit": 111.2892561983471,
      "yoy": 10.006292994610977,
      "ratio_national": 1.0299183438359198,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 83.41922472431419,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 198,
      "floor_total": 21511,
      "cost_total": 554713,
      "price_per_tsubo": 85.24776571382084,
      "price_per_sqm": 257874.11091999442,
      "cost_per_unit": 2801.580808080808,
      "floor_per_unit": 108.64141414141415,
      "yoy": 4.171243537878366,
      "ratio_national": 1.0327886219417175,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 85.07761049283516,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 151,
      "floor_total": 16689,
      "cost_total": 465908,
      "price_per_tsubo": 92.28797455329858,
      "price_per_sqm": 279170.71124692913,
      "cost_per_unit": 3085.4834437086092,
      "floor_per_unit": 110.52317880794702,
      "yoy": 8.258525933819683,
      "ratio_national": 1.0784710337604546,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 92.28797455329858,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 172,
      "floor_total": 18608,
      "cost_total": 521319,
      "price_per_tsubo": 92.61452799924764,
      "price_per_sqm": 280158.5339638865,
      "cost_per_unit": 3030.9244186046512,
      "floor_per_unit": 108.18604651162791,
      "yoy": 0.35384181691024974,
      "ratio_national": 1.049266556135354,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 85.51664635202923,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 268,
      "floor_total": 28330,
      "cost_total": 750080,
      "price_per_tsubo": 87.5258370349453,
      "price_per_sqm": 264765.2665019414,
      "cost_per_unit": 2798.805970149254,
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      "is_spliced": false,
      "price_per_tsubo_real": 75.19401807125884,
      "deflator": 116.4,
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    },
    {
      "fiscal_year": 2023,
      "units": 194,
      "floor_total": 20203,
      "cost_total": 558288,
      "price_per_tsubo": 91.35192236400535,
      "price_per_sqm": 276339.1575508588,
      "cost_per_unit": 2877.773195876289,
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      "ratio_national": 0.9291580208461389,
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      "is_spliced": false,
      "price_per_tsubo_real": 78.0785661230815,
      "deflator": 117,
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    },
    {
      "fiscal_year": 2024,
      "units": 246,
      "floor_total": 25662,
      "cost_total": 724938,
      "price_per_tsubo": 93.38682842412906,
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    {
      "fiscal_year": 2025,
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  ]
}