{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "all",
    "building_type": "apartment",
    "label": "共同住宅"
  },
  "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": 3417,
    "price_per_tsubo": 149.93944092893895,
    "prev_price_per_tsubo": 137.13973384241217,
    "change_vs_prev": 9.333332308516049,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 10793,
      "floor_total": 752199,
      "cost_total": 13461971,
      "price_per_tsubo": 59.163132511596,
      "price_per_sqm": 178968.2118694654,
      "cost_per_unit": 1247.2872232002223,
      "floor_per_unit": 69.69322709163346,
      "yoy": null,
      "ratio_national": 1.0013588975823262,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 67.76991123894159,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 8097,
      "floor_total": 554939,
      "cost_total": 10878974,
      "price_per_tsubo": 64.80640837904707,
      "price_per_sqm": 196039.0961889505,
      "cost_per_unit": 1343.5808324070642,
      "floor_per_unit": 68.53637149561565,
      "yoy": 9.538500799201245,
      "ratio_national": 1.0341483001525997,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 72.2479469108663,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7289,
      "floor_total": 506838,
      "cost_total": 11161536,
      "price_per_tsubo": 72.79977841724575,
      "price_per_sqm": 220219.00488913618,
      "cost_per_unit": 1531.2849499245438,
      "floor_per_unit": 69.534641240225,
      "yoy": 12.334227799581399,
      "ratio_national": 1.0379418535132023,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 78.61747129292198,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7103,
      "floor_total": 425317,
      "cost_total": 10722273,
      "price_per_tsubo": 83.3392101906813,
      "price_per_sqm": 252100.73897822096,
      "cost_per_unit": 1509.5414613543574,
      "floor_per_unit": 59.87850204139096,
      "yoy": 14.477285511818039,
      "ratio_national": 1.087857161788503,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 90.29166867896133,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 7600,
      "floor_total": 501510,
      "cost_total": 12511971,
      "price_per_tsubo": 82.47482325794103,
      "price_per_sqm": 249485.97236346235,
      "cost_per_unit": 1646.3119736842104,
      "floor_per_unit": 65.98815789473684,
      "yoy": -1.0371911741934525,
      "ratio_national": 1.0483675229019562,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 89.2584667293734,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 6773,
      "floor_total": 451789,
      "cost_total": 11932814,
      "price_per_tsubo": 87.31371767143511,
      "price_per_sqm": 264123.60637377185,
      "cost_per_unit": 1761.8210541857375,
      "floor_per_unit": 66.70441458733205,
      "yoy": 5.867117045356229,
      "ratio_national": 1.107572540500823,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 92.29779880701386,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 6582,
      "floor_total": 405688,
      "cost_total": 10675372,
      "price_per_tsubo": 86.9893563622291,
      "price_per_sqm": 263142.4148606811,
      "cost_per_unit": 1621.9039805530233,
      "floor_per_unit": 61.635976906715285,
      "yoy": -0.3714895183212774,
      "ratio_national": 1.0805359302889868,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 88.76464934921337,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 6150,
      "floor_total": 383047,
      "cost_total": 9824205,
      "price_per_tsubo": 84.78531001926656,
      "price_per_sqm": 256475.1845073842,
      "cost_per_unit": 1597.4317073170732,
      "floor_per_unit": 62.284065040650404,
      "yoy": -2.5336965752278395,
      "ratio_national": 1.0193927599140031,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 84.61607786353947,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 5435,
      "floor_total": 337764,
      "cost_total": 8789867,
      "price_per_tsubo": 86.02886758189149,
      "price_per_sqm": 260236.9405857344,
      "cost_per_unit": 1617.2708371665133,
      "floor_per_unit": 62.14609015639375,
      "yoy": 1.466713469989478,
      "ratio_national": 1.0079650083312244,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 86.02886758189149,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5769,
      "floor_total": 376928,
      "cost_total": 10233390,
      "price_per_tsubo": 89.75039882444393,
      "price_per_sqm": 271494.5559894728,
      "cost_per_unit": 1773.8585543421736,
      "floor_per_unit": 65.33680013867222,
      "yoy": 4.325909833707731,
      "ratio_national": 1.0321442270564163,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 85.3140673236159,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5913,
      "floor_total": 337264,
      "cost_total": 9553883,
      "price_per_tsubo": 93.64512928320248,
      "price_per_sqm": 283276.0982494426,
      "cost_per_unit": 1615.7420936918654,
      "floor_per_unit": 57.03771351259936,
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      "ratio_national": 1.0295847029613,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 83.8362840494203,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 8259,
      "floor_total": 470962,
      "cost_total": 14975167,
      "price_per_tsubo": 105.11412240675469,
      "price_per_sqm": 317969.7512750498,
      "cost_per_unit": 1813.1937280542438,
      "floor_per_unit": 57.02409492674658,
      "yoy": 12.247292743723559,
      "ratio_national": 1.058271081101379,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 92.28632344754581,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 7084,
      "floor_total": 394108,
      "cost_total": 14455390,
      "price_per_tsubo": 121.25225498619666,
      "price_per_sqm": 366787.53032163775,
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      "floor_per_unit": 55.63354037267081,
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      "is_spliced": true,
      "price_per_tsubo_real": 101.9783473391057,
      "deflator": 118.9,
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    },
    {
      "fiscal_year": 2025,
      "units": 6870,
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      "price_per_sqm": 421227.38073958806,
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      "deflator": 122.1,
      "deflator_provisional": true
    }
  ]
}