{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "other",
    "name": "その他"
  },
  "segment": {
    "segment": "all",
    "building_type": "detached",
    "label": "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": null,
  "years": [
    {
      "fiscal_year": 2013,
      "units": 89,
      "floor_total": 11083,
      "cost_total": 232840,
      "price_per_tsubo": 69.45052274654877,
      "price_per_sqm": 210087.5214292159,
      "cost_per_unit": 2616.179775280899,
      "floor_per_unit": 124.52808988764045,
      "yoy": null,
      "ratio_national": 1.1824261801623348,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 78.56393975853932,
      "deflator": 88.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 47,
      "floor_total": 6171,
      "cost_total": 117097,
      "price_per_tsubo": 62.7285839620807,
      "price_per_sqm": 189753.68659860638,
      "cost_per_unit": 2491.425531914894,
      "floor_per_unit": 131.29787234042553,
      "yoy": -9.678744692821063,
      "ratio_national": 1.1108352149257195,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 68.4809868581667,
      "deflator": 91.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 50,
      "floor_total": 6284,
      "cost_total": 109972,
      "price_per_tsubo": 57.852377129217054,
      "price_per_sqm": 175003.18268618715,
      "cost_per_unit": 2199.44,
      "floor_per_unit": 125.68,
      "yoy": -7.77350057162346,
      "ratio_national": 0.9804674247571468,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 62.4755692540141,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 85,
      "floor_total": 10023,
      "cost_total": 205652,
      "price_per_tsubo": 67.82822758455553,
      "price_per_sqm": 205180.0858026539,
      "cost_per_unit": 2419.435294117647,
      "floor_per_unit": 117.91764705882353,
      "yoy": 17.243631031887887,
      "ratio_national": 1.1445174542329761,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 73.09076248335727,
      "deflator": 92.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 19,
      "floor_total": 2177,
      "cost_total": 37985,
      "price_per_tsubo": 57.680492949012404,
      "price_per_sqm": 174483.23380799266,
      "cost_per_unit": 1999.2105263157894,
      "floor_per_unit": 114.57894736842105,
      "yoy": -14.96093145422801,
      "ratio_national": 1.005346189286675,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 60.78028761750517,
      "deflator": 94.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 14,
      "floor_total": 1498,
      "cost_total": 25231,
      "price_per_tsubo": 55.679831435247,
      "price_per_sqm": 168431.2416555407,
      "cost_per_unit": 1802.2142857142858,
      "floor_per_unit": 107,
      "yoy": null,
      "ratio_national": 0.9166602081026379,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 55.67983143524701,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 19,
      "floor_total": 1948,
      "cost_total": 36185,
      "price_per_tsubo": 61.40657656570842,
      "price_per_sqm": 185754.6201232033,
      "cost_per_unit": 1904.4736842105262,
      "floor_per_unit": 102.52631578947368,
      "yoy": 10.285133742046892,
      "ratio_national": 1.0388888829238423,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 58.1501672023754,
      "deflator": 105.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 16,
      "floor_total": 1330,
      "cost_total": 21303,
      "price_per_tsubo": 52.94980779699248,
      "price_per_sqm": 160172.93233082705,
      "cost_per_unit": 1331.4375,
      "floor_per_unit": 83.125,
      "yoy": -13.771763940734804,
      "ratio_national": 0.8724791077046412,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 47.745543550038306,
      "deflator": 110.9,
      "deflator_provisional": false
    }
  ]
}