{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 2134,
    "price_per_tsubo": 117.3355939351473,
    "prev_price_per_tsubo": 113.18779809186256,
    "change_vs_prev": 3.6645256054176514,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 6507,
      "floor_total": 312868,
      "cost_total": 5961151,
      "price_per_tsubo": 62.98603041630975,
      "price_per_sqm": 190532.46097395706,
      "cost_per_unit": 916.1135700015368,
      "floor_per_unit": 48.08175810665437,
      "yoy": null,
      "ratio_national": 1.004579915954968,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 71.73807564499973,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 7799,
      "floor_total": 372279,
      "cost_total": 7392118,
      "price_per_tsubo": 65.64106426422119,
      "price_per_sqm": 198563.9265174775,
      "cost_per_unit": 947.8289524297987,
      "floor_per_unit": 47.734196691883575,
      "yoy": 4.215274133586178,
      "ratio_national": 1.012871323522871,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 72.69220848750962,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7467,
      "floor_total": 328746,
      "cost_total": 7000352,
      "price_per_tsubo": 70.39384095344126,
      "price_per_sqm": 212941.05479610397,
      "cost_per_unit": 937.5052899424132,
      "floor_per_unit": 44.0265166733628,
      "yoy": 7.240553977139963,
      "ratio_national": 1.0224978317880735,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 75.20709503572785,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7908,
      "floor_total": 350615,
      "cost_total": 7557384,
      "price_per_tsubo": 71.25515010299046,
      "price_per_sqm": 215546.51113044223,
      "cost_per_unit": 955.6631259484067,
      "floor_per_unit": 44.33674759736975,
      "yoy": 1.2235575412327337,
      "ratio_national": 1.0074156493631912,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 76.2903106027735,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 8904,
      "floor_total": 386472,
      "cost_total": 8574256,
      "price_per_tsubo": 73.34215607402348,
      "price_per_sqm": 221859.69488087107,
      "cost_per_unit": 962.9667565139263,
      "floor_per_unit": 43.40431266846361,
      "yoy": 2.9289194788257644,
      "ratio_national": 1.0105869004280164,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 78.52479237047481,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 8750,
      "floor_total": 371924,
      "cost_total": 8557287,
      "price_per_tsubo": 76.06014613665695,
      "price_per_sqm": 230081.6026930233,
      "cost_per_unit": 977.9756571428571,
      "floor_per_unit": 42.5056,
      "yoy": 3.7059042276998744,
      "ratio_national": 1.015242861263246,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 79.89511148808504,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 6741,
      "floor_total": 297764,
      "cost_total": 6964421,
      "price_per_tsubo": 77.31933107289666,
      "price_per_sqm": 233890.63150683092,
      "cost_per_unit": 1033.143598872571,
      "floor_per_unit": 44.17208129357662,
      "yoy": 1.655512117972191,
      "ratio_national": 1.0173743909216024,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 78.81685124658172,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 5167,
      "floor_total": 258645,
      "cost_total": 6234186,
      "price_per_tsubo": 79.68029436849736,
      "price_per_sqm": 241032.53494171548,
      "cost_per_unit": 1206.5388039481325,
      "floor_per_unit": 50.05709309076834,
      "yoy": 3.0535226609433197,
      "ratio_national": 1.015451497114178,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 79.52125186476782,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 4490,
      "floor_total": 220761,
      "cost_total": 5708785,
      "price_per_tsubo": 85.48631490684497,
      "price_per_sqm": 258595.72116451728,
      "cost_per_unit": 1271.444320712695,
      "floor_per_unit": 49.16726057906459,
      "yoy": 7.286645442719508,
      "ratio_national": 1.051770026444844,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 85.48631490684497,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5206,
      "floor_total": 258276,
      "cost_total": 6918102,
      "price_per_tsubo": 88.54788060284346,
      "price_per_sqm": 267856.94373460946,
      "cost_per_unit": 1328.8709181713407,
      "floor_per_unit": 49.61121782558586,
      "yoy": 3.581351821440326,
      "ratio_national": 1.0664922362972027,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 81.76166260650366,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5551,
      "floor_total": 297055,
      "cost_total": 8664221,
      "price_per_tsubo": 96.42017518503307,
      "price_per_sqm": 291670.59972059046,
      "cost_per_unit": 1560.8396685281932,
      "floor_per_unit": 53.513781300666544,
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      "ratio_national": 1.0926986990940042,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 82.83520204899747,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 5597,
      "floor_total": 304165,
      "cost_total": 9299129,
      "price_per_tsubo": 101.06674882682097,
      "price_per_sqm": 305726.46425459866,
      "cost_per_unit": 1661.4488118634983,
      "floor_per_unit": 54.34429158477756,
      "yoy": 4.819088570282082,
      "ratio_national": 1.0263846029542454,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 86.3818366041205,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 5358,
      "floor_total": 298014,
      "cost_total": 9756920,
      "price_per_tsubo": 108.23091722804968,
      "price_per_sqm": 327398.0417027388,
      "cost_per_unit": 1821.0003732736095,
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      "is_spliced": true,
      "price_per_tsubo_real": 89.15232061618589,
      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 5100,
      "floor_total": 292970,
      "cost_total": 10253622,
      "price_per_tsubo": 115.6989489414616,
      "price_per_sqm": 349988.80431443494,
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      "deflator_provisional": true
    }
  ]
}