{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "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": 102,
    "price_per_tsubo": 117.49882171562444,
    "prev_price_per_tsubo": 121.64905136469325,
    "change_vs_prev": -3.411641605512216,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 656,
      "floor_total": 81946,
      "cost_total": 1763961,
      "price_per_tsubo": 71.16008876809117,
      "price_per_sqm": 215258.9510165231,
      "cost_per_unit": 2688.9649390243903,
      "floor_per_unit": 124.91768292682927,
      "yoy": null,
      "ratio_national": 0.9622397313115241,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 81.04793709349792,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 659,
      "floor_total": 81656,
      "cost_total": 1778821,
      "price_per_tsubo": 72.01441013018027,
      "price_per_sqm": 217843.26932497305,
      "cost_per_unit": 2699.2731411229133,
      "floor_per_unit": 123.90895295902884,
      "yoy": 1.2005625300346434,
      "ratio_national": 0.9528381075026667,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 79.75017733131813,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 514,
      "floor_total": 63049,
      "cost_total": 1475171,
      "price_per_tsubo": 77.34627892734223,
      "price_per_sqm": 233972.14864629097,
      "cost_per_unit": 2869.9824902723735,
      "floor_per_unit": 122.66342412451363,
      "yoy": 7.403891509384786,
      "ratio_national": 0.9858995124972795,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 82.63491338391265,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 507,
      "floor_total": 61181,
      "cost_total": 1426822,
      "price_per_tsubo": 77.09540379170004,
      "price_per_sqm": 233213.2524803452,
      "cost_per_unit": 2814.244575936884,
      "floor_per_unit": 120.67258382642999,
      "yoy": -0.32435320628398934,
      "ratio_national": 0.9620753291167443,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 82.54325887762316,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 534,
      "floor_total": 62952,
      "cost_total": 1532628,
      "price_per_tsubo": 80.4826902420892,
      "price_per_sqm": 243459.778879146,
      "cost_per_unit": 2870.0898876404494,
      "floor_per_unit": 117.88764044943821,
      "yoy": 4.393629559994383,
      "ratio_national": 0.9840600305647065,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 86.1699038994531,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 536,
      "floor_total": 62479,
      "cost_total": 1573186,
      "price_per_tsubo": 83.23792869508155,
      "price_per_sqm": 251794.3629059364,
      "cost_per_unit": 2935.0485074626868,
      "floor_per_unit": 116.56529850746269,
      "yoy": 3.4233925887724226,
      "ratio_national": 0.9948539902677527,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 87.4347990494554,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 523,
      "floor_total": 59078,
      "cost_total": 1506087,
      "price_per_tsubo": 84.2751505421646,
      "price_per_sqm": 254931.9543654152,
      "cost_per_unit": 2879.7074569789675,
      "floor_per_unit": 112.95984703632887,
      "yoy": 1.2460928129081728,
      "ratio_national": 0.9824548587623517,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 85.90739097060612,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 515,
      "floor_total": 58242,
      "cost_total": 1544419,
      "price_per_tsubo": 87.66053511229009,
      "price_per_sqm": 265172.72758490435,
      "cost_per_unit": 2998.8718446601943,
      "floor_per_unit": 113.09126213592234,
      "yoy": 4.017061433110958,
      "ratio_national": 0.9873315827117057,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 87.48556398432144,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 428,
      "floor_total": 48893,
      "cost_total": 1329194,
      "price_per_tsubo": 89.87045657374266,
      "price_per_sqm": 271857.7301454196,
      "cost_per_unit": 3105.5934579439254,
      "floor_per_unit": 114.23598130841121,
      "yoy": 2.5209992827692984,
      "ratio_national": 0.9837310671346936,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 89.87045657374266,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 461,
      "floor_total": 52328,
      "cost_total": 1479520,
      "price_per_tsubo": 93.4677881975233,
      "price_per_sqm": 282739.6422565357,
      "cost_per_unit": 3209.370932754881,
      "floor_per_unit": 113.50976138828634,
      "yoy": 4.002796648561446,
      "ratio_national": 0.9919835441706276,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 86.30451357112032,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 457,
      "floor_total": 51094,
      "cost_total": 1565232,
      "price_per_tsubo": 101.27076160175363,
      "price_per_sqm": 306343.6019884918,
      "cost_per_unit": 3425.015317286652,
      "floor_per_unit": 111.80306345733041,
      "yoy": 8.348302184855916,
      "ratio_national": 1.01113886565284,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 87.00237251009762,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 329,
      "floor_total": 36205,
      "cost_total": 1181345,
      "price_per_tsubo": 107.86572262256594,
      "price_per_sqm": 326293.32965060073,
      "cost_per_unit": 3590.714285714286,
      "floor_per_unit": 110.04559270516717,
      "yoy": 6.5122064024233595,
      "ratio_national": 1.0025913610942359,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 92.19292531843243,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 271,
      "floor_total": 30492,
      "cost_total": 1066799,
      "price_per_tsubo": 115.65700728748524,
      "price_per_sqm": 349861.9309982946,
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      "is_spliced": true,
      "price_per_tsubo_real": 95.26936349875226,
      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 242,
      "floor_total": 27371,
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    }
  ]
}