{
  "area": {
    "code": "33000",
    "name": "岡山県",
    "slug": "okayama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・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": 35,
      "floor_total": 4278,
      "cost_total": 73486,
      "price_per_tsubo": 56.78571387096774,
      "price_per_sqm": 171776.53108929406,
      "cost_per_unit": 2099.6,
      "floor_per_unit": 122.22857142857143,
      "yoy": null,
      "ratio_national": 0.8807166286761826,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 64.67621169814095,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 46,
      "floor_total": 4146,
      "cost_total": 83411,
      "price_per_tsubo": 66.50729611432706,
      "price_per_sqm": 201184.2739990352,
      "cost_per_unit": 1813.2826086956522,
      "floor_per_unit": 90.1304347826087,
      "yoy": 17.119767597620328,
      "ratio_national": 1.0162903054877301,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 73.6514907135405,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 17,
      "floor_total": 1507,
      "cost_total": 31242,
      "price_per_tsubo": 68.53317264764432,
      "price_per_sqm": 207312.54147312543,
      "cost_per_unit": 1837.764705882353,
      "floor_per_unit": 88.6470588235294,
      "yoy": 3.046096671611398,
      "ratio_national": 0.9515254912394544,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 73.21920154662855,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 47,
      "floor_total": 4229,
      "cost_total": 83642,
      "price_per_tsubo": 65.3825696807756,
      "price_per_sqm": 197781.98155592338,
      "cost_per_unit": 1779.6170212765958,
      "floor_per_unit": 89.97872340425532,
      "yoy": -4.5971940961601065,
      "ratio_national": 0.9323279013247557,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 70.0027512642137,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 28,
      "floor_total": 2696,
      "cost_total": 65224,
      "price_per_tsubo": 79.9765752818991,
      "price_per_sqm": 241928.78338278932,
      "cost_per_unit": 2329.4285714285716,
      "floor_per_unit": 96.28571428571429,
      "yoy": 22.320942221110897,
      "ratio_national": 1.0995520844982845,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 85.62802492708683,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 15,
      "floor_total": 1189,
      "cost_total": 23949,
      "price_per_tsubo": 66.5856725904121,
      "price_per_sqm": 201421.36248948696,
      "cost_per_unit": 1596.6,
      "floor_per_unit": 79.26666666666667,
      "yoy": -16.743531020535872,
      "ratio_national": 0.865501683356928,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 69.94293339329002,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 17,
      "floor_total": 1354,
      "cost_total": 31988,
      "price_per_tsubo": 78.09867837518463,
      "price_per_sqm": 236248.15361890694,
      "cost_per_unit": 1881.6470588235295,
      "floor_per_unit": 79.6470588235294,
      "yoy": 17.29051511665638,
      "ratio_national": 1.0364302876142677,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 79.61129294106487,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 13,
      "floor_total": 1217,
      "cost_total": 30355,
      "price_per_tsubo": 82.45460595727198,
      "price_per_sqm": 249424.81511914544,
      "cost_per_unit": 2335,
      "floor_per_unit": 93.61538461538461,
      "yoy": 5.577466447206114,
      "ratio_national": 1.0627562401196817,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 82.29002590546105,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 19,
      "floor_total": 1658,
      "cost_total": 36476,
      "price_per_tsubo": 72.72738,
      "price_per_sqm": 220000,
      "cost_per_unit": 1919.7894736842106,
      "floor_per_unit": 87.26315789473684,
      "yoy": -11.797068028331415,
      "ratio_national": 0.8948327253090013,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 72.72738,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 108.3,
      "deflator_provisional": false
    }
  ]
}