{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "detached",
    "label": "持家・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": 2012,
      "units": 45,
      "floor_total": 5625,
      "cost_total": 110782,
      "price_per_tsubo": 65.106138272,
      "price_per_sqm": 196945.77777777778,
      "cost_per_unit": 2461.822222222222,
      "floor_per_unit": 125,
      "yoy": null,
      "ratio_national": 0.88281492669573,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 74.57747797479955,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 48,
      "floor_total": 6482,
      "cost_total": 130741,
      "price_per_tsubo": 66.6773049043505,
      "price_per_sqm": 201698.54983029928,
      "cost_per_unit": 2723.7708333333335,
      "floor_per_unit": 135.04166666666666,
      "yoy": 2.41323886510747,
      "ratio_national": 0.8839427719820119,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 74.33367324899723,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 39,
      "floor_total": 5092,
      "cost_total": 114268,
      "price_per_tsubo": 74.18421282796544,
      "price_per_sqm": 224406.91280439906,
      "cost_per_unit": 2929.948717948718,
      "floor_per_unit": 130.56410256410257,
      "yoy": 11.258565316015234,
      "ratio_national": 0.9273258925218942,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 80.1125408509346,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 19,
      "floor_total": 2357,
      "cost_total": 50396,
      "price_per_tsubo": 70.68247468816291,
      "price_per_sqm": 213814.17055579126,
      "cost_per_unit": 2652.4210526315787,
      "floor_per_unit": 124.05263157894737,
      "yoy": -4.720327959700965,
      "ratio_national": 0.8415774648261961,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 76.57906250071822,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 21,
      "floor_total": 2729,
      "cost_total": 62065,
      "price_per_tsubo": 75.18279822279223,
      "price_per_sqm": 227427.62916819347,
      "cost_per_unit": 2955.4761904761904,
      "floor_per_unit": 129.95238095238096,
      "yoy": 6.366958081877949,
      "ratio_national": 0.8784706434467295,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 81.36666474328163,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 14,
      "floor_total": 1596,
      "cost_total": 36172,
      "price_per_tsubo": 74.92295481203007,
      "price_per_sqm": 226641.60401002507,
      "cost_per_unit": 2583.714285714286,
      "floor_per_unit": 114,
      "yoy": -0.345615509005337,
      "ratio_national": 0.8513260178858076,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 79.19974081609944,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 11,
      "floor_total": 1325,
      "cost_total": 29655,
      "price_per_tsubo": 73.98732260377358,
      "price_per_sqm": 223811.320754717,
      "cost_per_unit": 2695.909090909091,
      "floor_per_unit": 120.45454545454545,
      "yoy": -1.2487924570031228,
      "ratio_national": 0.7710338318293507,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 75.49726796303426,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 11,
      "floor_total": 1366,
      "cost_total": 29891,
      "price_per_tsubo": 72.33775174963397,
      "price_per_sqm": 218821.37628111272,
      "cost_per_unit": 2717.3636363636365,
      "floor_per_unit": 124.18181818181819,
      "yoy": -2.229531757722336,
      "ratio_national": 0.745896323837388,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 72.19336501959478,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 12,
      "floor_total": 1393,
      "cost_total": 34546,
      "price_per_tsubo": 81.98264274228283,
      "price_per_sqm": 247997.12849964105,
      "cost_per_unit": 2878.8333333333335,
      "floor_per_unit": 116.08333333333333,
      "yoy": null,
      "ratio_national": 0.8153888702736162,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 77.93026876642854,
      "deflator": 105.2,
      "deflator_provisional": false
    }
  ]
}