{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 1034,
    "price_per_tsubo": 95.03114447784739,
    "prev_price_per_tsubo": 94.37485905210794,
    "change_vs_prev": 0.695402814193443,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 3389,
      "floor_total": 408237,
      "cost_total": 7218707,
      "price_per_tsubo": 58.45508715165455,
      "price_per_sqm": 176826.37781484774,
      "cost_per_unit": 2130.0404249041017,
      "floor_per_unit": 120.45942755975214,
      "yoy": null,
      "ratio_national": 0.9977032868337637,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 66.57754800871817,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 3737,
      "floor_total": 447335,
      "cost_total": 7952780,
      "price_per_tsubo": 58.77076597225793,
      "price_per_sqm": 177781.3048386556,
      "cost_per_unit": 2128.1188118811883,
      "floor_per_unit": 119.7043082686647,
      "yoy": 0.5400365237406612,
      "ratio_national": 0.9939892492572759,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 65.01190926134726,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 3043,
      "floor_total": 361840,
      "cost_total": 6617027,
      "price_per_tsubo": 60.453520026337614,
      "price_per_sqm": 182871.62834401947,
      "cost_per_unit": 2174.5077226421295,
      "floor_per_unit": 118.90897140979297,
      "yoy": 2.8632501656929543,
      "ratio_national": 0.9898683548460099,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 64.725396173809,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 3152,
      "floor_total": 369358,
      "cost_total": 6800423,
      "price_per_tsubo": 60.86444682170144,
      "price_per_sqm": 184114.68006649375,
      "cost_per_unit": 2157.494606598985,
      "floor_per_unit": 117.18210659898477,
      "yoy": 0.679740063415335,
      "ratio_national": 0.9846823631221954,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 65.30520045246936,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 3245,
      "floor_total": 375358,
      "cost_total": 6987198,
      "price_per_tsubo": 61.536477912872506,
      "price_per_sqm": 186147.57111877194,
      "cost_per_unit": 2153.2197226502312,
      "floor_per_unit": 115.67272727272727,
      "yoy": 1.104143923528511,
      "ratio_national": 0.9876361482503785,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 65.81441488007755,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 3385,
      "floor_total": 388143,
      "cost_total": 7310059,
      "price_per_tsubo": 62.25932180049621,
      "price_per_sqm": 188334.1706535993,
      "cost_per_unit": 2159.544756277696,
      "floor_per_unit": 114.66558345642541,
      "yoy": 1.1746591812536789,
      "ratio_national": 0.9872680309394589,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 65.3984472694288,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3486,
      "floor_total": 395056,
      "cost_total": 7476936,
      "price_per_tsubo": 62.56626974261877,
      "price_per_sqm": 189262.68680895874,
      "cost_per_unit": 2144.8468158347678,
      "floor_per_unit": 113.32644865174986,
      "yoy": 0.49301523570421946,
      "ratio_national": 0.9787267280764149,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 63.7780527447694,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 3167,
      "floor_total": 358605,
      "cost_total": 7172346,
      "price_per_tsubo": 66.11806774400803,
      "price_per_sqm": 200006.85991550592,
      "cost_per_unit": 2264.7129775813073,
      "floor_per_unit": 113.23176507736028,
      "yoy": 5.676857540013858,
      "ratio_national": 1.0200291401118626,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 65.98609555290223,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 3146,
      "floor_total": 353192,
      "cost_total": 7121179,
      "price_per_tsubo": 66.65247889649257,
      "price_per_sqm": 201623.45126729936,
      "cost_per_unit": 2263.5661157024792,
      "floor_per_unit": 112.26700572155117,
      "yoy": 0.8082679526474346,
      "ratio_national": 1.0225440518901803,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 66.65247889649257,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3335,
      "floor_total": 374281,
      "cost_total": 7656580,
      "price_per_tsubo": 67.62578276268366,
      "price_per_sqm": 204567.69111977363,
      "cost_per_unit": 2295.8260869565215,
      "floor_per_unit": 112.22818590704648,
      "yoy": 1.4602665681835658,
      "ratio_national": 1.0239251910227987,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 62.21323161240446,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 3027,
      "floor_total": 331279,
      "cost_total": 7077398,
      "price_per_tsubo": 70.62443298373877,
      "price_per_sqm": 213638.5946588827,
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      "rank_in_national": 10,
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      "price_per_tsubo_real": 61.25276061035453,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 2706,
      "floor_total": 292570,
      "cost_total": 7418987,
      "price_per_tsubo": 83.82818824462522,
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      "cost_per_unit": 2741.680339985218,
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      "ratio_national": 1.021573709064615,
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      "is_spliced": false,
      "price_per_tsubo_real": 72.9575180545041,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 2670,
      "floor_total": 291897,
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      "price_per_tsubo": 87.17273222951931,
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    {
      "fiscal_year": 2025,
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  ]
}