{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 1218,
    "price_per_tsubo": 86.6718899818509,
    "prev_price_per_tsubo": 84.80738468437193,
    "change_vs_prev": 2.1985176225137764,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 3105,
      "floor_total": 365283,
      "cost_total": 6038910,
      "price_per_tsubo": 54.651785845221376,
      "price_per_sqm": 165321.40833271737,
      "cost_per_unit": 1944.8985507246377,
      "floor_per_unit": 117.64347826086957,
      "yoy": null,
      "ratio_national": 1.028246441594891,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 62.17495545531442,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 3570,
      "floor_total": 416699,
      "cost_total": 6975129,
      "price_per_tsubo": 55.335654025831595,
      "price_per_sqm": 167390.10652773344,
      "cost_per_unit": 1953.8176470588235,
      "floor_per_unit": 116.72240896358544,
      "yoy": 1.2513190008959452,
      "ratio_national": 1.031982941132419,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 61.009541373573974,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2957,
      "floor_total": 343878,
      "cost_total": 5868429,
      "price_per_tsubo": 56.414757279936495,
      "price_per_sqm": 170654.389056584,
      "cost_per_unit": 1984.588772404464,
      "floor_per_unit": 116.29286438958404,
      "yoy": 1.9501048159675793,
      "ratio_national": 1.0336702792833103,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 60.33663880207112,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 3165,
      "floor_total": 362276,
      "cost_total": 6217160,
      "price_per_tsubo": 56.7319539699014,
      "price_per_sqm": 171613.907628438,
      "cost_per_unit": 1964.347551342812,
      "floor_per_unit": 114.46319115323854,
      "yoy": 0.5622583615682908,
      "ratio_national": 1.027641634306577,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 60.675886598825024,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 3340,
      "floor_total": 377753,
      "cost_total": 6508058,
      "price_per_tsubo": 56.95328178947619,
      "price_per_sqm": 172283.4232951161,
      "cost_per_unit": 1948.520359281437,
      "floor_per_unit": 113.0997005988024,
      "yoy": 0.3901290262137369,
      "ratio_national": 1.0291662989920982,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 60.65312224651351,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 3641,
      "floor_total": 408219,
      "cost_total": 7075545,
      "price_per_tsubo": 57.29832738199349,
      "price_per_sqm": 173327.1846729329,
      "cost_per_unit": 1943.2971711068387,
      "floor_per_unit": 112.11727547377095,
      "yoy": 0.6058397017273398,
      "ratio_national": 1.027863346339573,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 60.124163045113846,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3882,
      "floor_total": 432787,
      "cost_total": 7501576,
      "price_per_tsubo": 57.29986095940959,
      "price_per_sqm": 173331.82373777402,
      "cost_per_unit": 1932.3997939206595,
      "floor_per_unit": 111.48557444616178,
      "yoy": 0.002676478505003743,
      "ratio_national": 1.0185619696375008,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 58.528969315025115,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 3680,
      "floor_total": 407788,
      "cost_total": 7352502,
      "price_per_tsubo": 59.60407757604442,
      "price_per_sqm": 180302.068721983,
      "cost_per_unit": 1997.9625,
      "floor_per_unit": 110.81195652173913,
      "yoy": 4.021330205787232,
      "ratio_national": 1.0517533842696551,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 59.54453304300142,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 3536,
      "floor_total": 390333,
      "cost_total": 7110757,
      "price_per_tsubo": 60.22209083789995,
      "price_per_sqm": 182171.55608160212,
      "cost_per_unit": 2010.9606900452488,
      "floor_per_unit": 110.38829185520362,
      "yoy": 1.0368640653268368,
      "ratio_national": 1.05452619671771,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 60.22209083789994,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3833,
      "floor_total": 422864,
      "cost_total": 7694326,
      "price_per_tsubo": 60.15131566541488,
      "price_per_sqm": 181957.4615006243,
      "cost_per_unit": 2007.3900339159927,
      "floor_per_unit": 110.32194103835116,
      "yoy": -0.11752360554132535,
      "ratio_national": 1.050248202216865,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 54.5342843748095,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 3658,
      "floor_total": 392148,
      "cost_total": 7393051,
      "price_per_tsubo": 62.32308736826402,
      "price_per_sqm": 188527.06121158338,
      "cost_per_unit": 2021.063696008748,
      "floor_per_unit": 107.20284308365227,
      "yoy": 3.610514049151292,
      "ratio_national": 1.0624910535959113,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 53.404530735444744,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 3190,
      "floor_total": 339881,
      "cost_total": 7818907,
      "price_per_tsubo": 76.04916006346339,
      "price_per_sqm": 230048.3698706312,
      "cost_per_unit": 2451.06802507837,
      "floor_per_unit": 106.54576802507837,
      "yoy": 22.024057656342812,
      "ratio_national": 1.1059910245885067,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 66.24491294726776,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 3078,
      "floor_total": 331022,
      "cost_total": 8016571,
      "price_per_tsubo": 80.05842586320547,
      "price_per_sqm": 242176.38102603453,
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      "ratio_national": 1.1055775165066004,
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      "is_spliced": true,
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      "deflator": 118.8,
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    },
    {
      "fiscal_year": 2025,
      "units": 2761,
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      "price_per_tsubo": 85.02565905096891,
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    }
  ]
}