{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 2992,
    "price_per_tsubo": 116.75231903552356,
    "prev_price_per_tsubo": 112.59212865523084,
    "change_vs_prev": 3.6949211547742067,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 11352,
      "floor_total": 797917,
      "cost_total": 16577252,
      "price_per_tsubo": 68.67996782758107,
      "price_per_sqm": 207756.59623745328,
      "cost_per_unit": 1460.2935165609583,
      "floor_per_unit": 70.28867159971811,
      "yoy": null,
      "ratio_national": 1.0012707558411835,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 78.22319798129962,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 12859,
      "floor_total": 873320,
      "cost_total": 18665272,
      "price_per_tsubo": 70.65390638583796,
      "price_per_sqm": 213727.75156872623,
      "cost_per_unit": 1451.5337117971849,
      "floor_per_unit": 67.915078933043,
      "yoy": 2.8741110700756245,
      "ratio_national": 1.0119734703264804,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 78.24352866648722,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 12012,
      "floor_total": 755161,
      "cost_total": 16850124,
      "price_per_tsubo": 73.76304048800189,
      "price_per_sqm": 223132.8683552249,
      "cost_per_unit": 1402.7742257742257,
      "floor_per_unit": 62.86721611721612,
      "yoy": 4.400512669724277,
      "ratio_national": 1.014260319913733,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 78.80666718803622,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 12098,
      "floor_total": 744193,
      "cost_total": 16947269,
      "price_per_tsubo": 75.28169760735454,
      "price_per_sqm": 227726.79936521844,
      "cost_per_unit": 1400.8322863283188,
      "floor_per_unit": 61.513721276244006,
      "yoy": 2.058832050991266,
      "ratio_national": 1.0122297534059337,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 80.60138930123613,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 13135,
      "floor_total": 789123,
      "cost_total": 18318158,
      "price_per_tsubo": 76.73833297828095,
      "price_per_sqm": 232133.11486295547,
      "cost_per_unit": 1394.6066235249334,
      "floor_per_unit": 60.07788351732014,
      "yoy": 1.934913022981699,
      "ratio_national": 1.0094600233576934,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 82.16095607952992,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 12330,
      "floor_total": 721188,
      "cost_total": 17223985,
      "price_per_tsubo": 78.95150414753157,
      "price_per_sqm": 238827.94777506005,
      "cost_per_unit": 1396.9168694241687,
      "floor_per_unit": 58.49051094890511,
      "yoy": 2.8840490578248668,
      "ratio_national": 1.0104886977349015,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 82.93225225581047,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 10354,
      "floor_total": 660443,
      "cost_total": 16286620,
      "price_per_tsubo": 81.52126001759424,
      "price_per_sqm": 246601.44781608708,
      "cost_per_unit": 1572.9785590110102,
      "floor_per_unit": 63.78626617732277,
      "yoy": 3.2548535937462875,
      "ratio_national": 1.021693479248368,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 83.1001631168137,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 8047,
      "floor_total": 562371,
      "cost_total": 14420211,
      "price_per_tsubo": 84.76644300949017,
      "price_per_sqm": 256418.11188699276,
      "cost_per_unit": 1791.9983844911146,
      "floor_per_unit": 69.88579594880079,
      "yoy": 3.980781198911232,
      "ratio_national": 1.0210930959504418,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 84.59724851246524,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 6988,
      "floor_total": 489601,
      "cost_total": 12944136,
      "price_per_tsubo": 87.39891329355945,
      "price_per_sqm": 264381.3227505663,
      "cost_per_unit": 1852.337721808815,
      "floor_per_unit": 70.06310818546079,
      "yoy": 3.105557093830802,
      "ratio_national": 1.0204845773373197,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 87.39891329355945,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 7805,
      "floor_total": 548634,
      "cost_total": 14993510,
      "price_per_tsubo": 90.34328062588173,
      "price_per_sqm": 273288.0207934616,
      "cost_per_unit": 1921.013452914798,
      "floor_per_unit": 70.29263292761051,
      "yoy": 3.3688832290541315,
      "ratio_national": 1.027179493986815,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 83.41946502851499,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 8489,
      "floor_total": 593765,
      "cost_total": 17115904,
      "price_per_tsubo": 95.29289244761816,
      "price_per_sqm": 288260.5744696976,
      "cost_per_unit": 2016.2450229709036,
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      "yoy": 5.4786717810626495,
      "ratio_national": 1.0280437224881942,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 81.86674608901903,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 8058,
      "floor_total": 542846,
      "cost_total": 16669679,
      "price_per_tsubo": 101.51398028429794,
      "price_per_sqm": 307079.33741797856,
      "cost_per_unit": 2068.711715065773,
      "floor_per_unit": 67.36733680814098,
      "yoy": 6.528385986498919,
      "ratio_national": 1.0042268586314123,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 86.76408571307516,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 7531,
      "floor_total": 518429,
      "cost_total": 16853447,
      "price_per_tsubo": 107.46689818302987,
      "price_per_sqm": 325086.88750050636,
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    {
      "fiscal_year": 2025,
      "units": 6955,
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    }
  ]
}