{
  "area": {
    "code": "33000",
    "name": "岡山県",
    "slug": "okayama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 106,
    "price_per_tsubo": 115.74960259124691,
    "prev_price_per_tsubo": 122.76243113531562,
    "change_vs_prev": -5.712520092029436,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1186,
      "floor_total": 149319,
      "cost_total": 3181690,
      "price_per_tsubo": 70.43978988005546,
      "price_per_sqm": 213080.05009409387,
      "cost_per_unit": 2682.706576728499,
      "floor_per_unit": 125.90134907251264,
      "yoy": null,
      "ratio_national": 0.9524997180472592,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 80.22755111623628,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1223,
      "floor_total": 151277,
      "cost_total": 3306366,
      "price_per_tsubo": 72.25256753597705,
      "price_per_sqm": 218563.69441488132,
      "cost_per_unit": 2703.488143908422,
      "floor_per_unit": 123.69337694194603,
      "yoy": 2.5735137186075896,
      "ratio_national": 0.955989219223459,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 80.01391753707314,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1013,
      "floor_total": 124977,
      "cost_total": 2839021,
      "price_per_tsubo": 75.09547542019732,
      "price_per_sqm": 227163.4780799667,
      "cost_per_unit": 2802.5873642645606,
      "floor_per_unit": 123.37314906219152,
      "yoy": 3.9346807749145896,
      "ratio_national": 0.9572094951985044,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 80.2302087822621,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1048,
      "floor_total": 130121,
      "cost_total": 2967028,
      "price_per_tsubo": 75.37885116253334,
      "price_per_sqm": 228020.6884361479,
      "cost_per_unit": 2831.1335877862593,
      "floor_per_unit": 124.16125954198473,
      "yoy": 0.37735394942290945,
      "ratio_national": 0.9406544291093492,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 80.70540809693077,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1055,
      "floor_total": 127603,
      "cost_total": 2941773,
      "price_per_tsubo": 76.21203079606279,
      "price_per_sqm": 230541.0531100366,
      "cost_per_unit": 2788.4104265402843,
      "floor_per_unit": 120.95071090047394,
      "yoy": 1.105322806967357,
      "ratio_national": 0.9318427742534802,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 81.59746337908221,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 888,
      "floor_total": 108033,
      "cost_total": 2595495,
      "price_per_tsubo": 79.42167130460138,
      "price_per_sqm": 240250.2013273722,
      "cost_per_unit": 2922.8547297297296,
      "floor_per_unit": 121.65878378378379,
      "yoy": 4.211461727253174,
      "ratio_national": 0.9492423448036298,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 83.42612531995943,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 951,
      "floor_total": 114498,
      "cost_total": 2833737,
      "price_per_tsubo": 81.81574732510612,
      "price_per_sqm": 247492.27060734684,
      "cost_per_unit": 2979.744479495268,
      "floor_per_unit": 120.39747634069401,
      "yoy": 3.014386352212206,
      "ratio_national": 0.953783861146679,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 83.40035405209595,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 904,
      "floor_total": 110853,
      "cost_total": 2826011,
      "price_per_tsubo": 84.27556226435009,
      "price_per_sqm": 254933.19982318926,
      "cost_per_unit": 3126.1183628318586,
      "floor_per_unit": 122.625,
      "yoy": 3.0065299403421175,
      "ratio_national": 0.9492062097019283,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 84.10734756921165,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 745,
      "floor_total": 91348,
      "cost_total": 2421484,
      "price_per_tsubo": 87.63101099487673,
      "price_per_sqm": 265083.41726146167,
      "cost_per_unit": 3250.3140939597315,
      "floor_per_unit": 122.61476510067114,
      "yoy": 3.9815204317492414,
      "ratio_national": 0.9592178703281303,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 87.63101099487673,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 675,
      "floor_total": 83708,
      "cost_total": 2291058,
      "price_per_tsubo": 90.47828912194772,
      "price_per_sqm": 273696.42089167103,
      "cost_per_unit": 3394.16,
      "floor_per_unit": 124.01185185185186,
      "yoy": 3.2491672693784723,
      "ratio_national": 0.9602556735804165,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 83.54412661306347,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 599,
      "floor_total": 74254,
      "cost_total": 2227399,
      "price_per_tsubo": 99.16386107428556,
      "price_per_sqm": 299970.2372936138,
      "cost_per_unit": 3718.5292153589317,
      "floor_per_unit": 123.96327212020033,
      "yoy": 9.599620015616473,
      "ratio_national": 0.9901024976460002,
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      "is_spliced": false,
      "price_per_tsubo_real": 85.19232051055461,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 495,
      "floor_total": 59008,
      "cost_total": 1854588,
      "price_per_tsubo": 103.89910629948481,
      "price_per_sqm": 314294.3329718004,
      "cost_per_unit": 3746.642424242424,
      "floor_per_unit": 119.20808080808081,
      "yoy": 4.775172299565855,
      "ratio_national": 0.9657224173593284,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 88.80265495682463,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 452,
      "floor_total": 52822,
      "cost_total": 1763989,
      "price_per_tsubo": 110.3967512837454,
      "price_per_sqm": 333949.68005755177,
      "cost_per_unit": 3902.630530973451,
      "floor_per_unit": 116.86283185840708,
      "yoy": 6.253802574135148,
      "ratio_national": 0.9678863177650416,
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      "price_per_tsubo_real": 90.93636843801104,
      "deflator": 121.4,
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    {
      "fiscal_year": 2025,
      "units": 374,
      "floor_total": 43544,
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    }
  ]
}