{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 947,
    "price_per_tsubo": 92.90426711066787,
    "prev_price_per_tsubo": 90.4494176002017,
    "change_vs_prev": 2.7140578409436955,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 2749,
      "floor_total": 327776,
      "cost_total": 5490342,
      "price_per_tsubo": 55.372930538477505,
      "price_per_sqm": 167502.86781216442,
      "cost_per_unit": 1997.2142597308111,
      "floor_per_unit": 119.23463077482721,
      "yoy": null,
      "ratio_national": 1.0019847813664569,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 62.995370350941414,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 3132,
      "floor_total": 371154,
      "cost_total": 6298309,
      "price_per_tsubo": 56.09770313430543,
      "price_per_sqm": 169695.30168070397,
      "cost_per_unit": 2010.9543422733077,
      "floor_per_unit": 118.50383141762453,
      "yoy": 1.308893332499883,
      "ratio_national": 1.0023301338784767,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 61.84972782172594,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 2564,
      "floor_total": 302092,
      "cost_total": 5228309,
      "price_per_tsubo": 57.21333768888286,
      "price_per_sqm": 173070.09123048608,
      "cost_per_unit": 2039.1220748829953,
      "floor_per_unit": 117.82059282371294,
      "yoy": 1.988734818440685,
      "ratio_national": 0.9925664663059139,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 61.190735496131396,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 2674,
      "floor_total": 311063,
      "cost_total": 5439737,
      "price_per_tsubo": 57.81024479680965,
      "price_per_sqm": 174875.73256864364,
      "cost_per_unit": 2034.3070306656693,
      "floor_per_unit": 116.3287210172027,
      "yoy": 1.0433006219155994,
      "ratio_national": 0.9911302404252884,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 61.829138820117265,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 2750,
      "floor_total": 316285,
      "cost_total": 5543142,
      "price_per_tsubo": 57.93655529721612,
      "price_per_sqm": 175257.82126879238,
      "cost_per_unit": 2015.688,
      "floor_per_unit": 115.01272727272728,
      "yoy": 0.2184915508495422,
      "ratio_national": 0.9867334806611986,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 61.70027188201929,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 2900,
      "floor_total": 331004,
      "cost_total": 5872716,
      "price_per_tsubo": 58.651755947481,
      "price_per_sqm": 177421.30004471247,
      "cost_per_unit": 2025.0744827586207,
      "floor_per_unit": 114.13931034482759,
      "yoy": 1.2344549077795364,
      "ratio_national": 0.9883081688421984,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 61.54433992390451,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3012,
      "floor_total": 340999,
      "cost_total": 6101854,
      "price_per_tsubo": 59.15397973208132,
      "price_per_sqm": 178940.524752272,
      "cost_per_unit": 2025.8479415670652,
      "floor_per_unit": 113.21347941567065,
      "yoy": 0.8562809015471462,
      "ratio_national": 0.9847714075808244,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 60.42285978762136,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 2744,
      "floor_total": 309778,
      "cost_total": 5877008,
      "price_per_tsubo": 62.71637842687343,
      "price_per_sqm": 189716.7649090639,
      "cost_per_unit": 2141.7667638483963,
      "floor_per_unit": 112.89285714285714,
      "yoy": 6.022246873205894,
      "ratio_national": 1.030960244154107,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 62.65372470217127,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 2773,
      "floor_total": 309862,
      "cost_total": 5940202,
      "price_per_tsubo": 63.373567489979415,
      "price_per_sqm": 191704.75889266835,
      "cost_per_unit": 2142.1572304363503,
      "floor_per_unit": 111.74251712946267,
      "yoy": 1.0478747012987233,
      "ratio_national": 1.034193736421534,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 63.37356748997941,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 2911,
      "floor_total": 325487,
      "cost_total": 6282440,
      "price_per_tsubo": 63.80724061974826,
      "price_per_sqm": 193016.61817522667,
      "cost_per_unit": 2158.172449330127,
      "floor_per_unit": 111.81277911370663,
      "yoy": 0.684312319702407,
      "ratio_national": 1.0343857189475094,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 57.84881289188418,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 2661,
      "floor_total": 288992,
      "cost_total": 5774648,
      "price_per_tsubo": 66.05640852314251,
      "price_per_sqm": 199820.34104750305,
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      "rank_in_national": 10,
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      "price_per_tsubo_real": 56.60360627518638,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 2455,
      "floor_total": 264317,
      "cost_total": 6477276,
      "price_per_tsubo": 81.01073418675303,
      "price_per_sqm": 245057.10945569148,
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      "ratio_national": 1.037544228799175,
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      "is_spliced": false,
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      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 2461,
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    {
      "fiscal_year": 2025,
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  ]
}