{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 85,
    "price_per_tsubo": 118.17822836034317,
    "prev_price_per_tsubo": 123.75880594603075,
    "change_vs_prev": -4.509236771499857,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 594,
      "floor_total": 74697,
      "cost_total": 1615583,
      "price_per_tsubo": 71.49923190449415,
      "price_per_sqm": 216284.85749093004,
      "cost_per_unit": 2719.8367003367002,
      "floor_per_unit": 125.75252525252525,
      "yoy": null,
      "ratio_national": 0.9592323870550534,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 81.43420490261293,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 557,
      "floor_total": 69699,
      "cost_total": 1523730,
      "price_per_tsubo": 72.26978000688675,
      "price_per_sqm": 218615.76206258338,
      "cost_per_unit": 2735.6014362657093,
      "floor_per_unit": 125.13285457809695,
      "yoy": 1.0777012310032363,
      "ratio_national": 0.9485383830711585,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 80.032978966652,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 440,
      "floor_total": 54656,
      "cost_total": 1274450,
      "price_per_tsubo": 77.0832857417301,
      "price_per_sqm": 233176.59543325528,
      "cost_per_unit": 2896.4772727272725,
      "floor_per_unit": 124.21818181818182,
      "yoy": 6.6604682266704796,
      "ratio_national": 0.9735214043924599,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 82.35393775825865,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 458,
      "floor_total": 55811,
      "cost_total": 1308390,
      "price_per_tsubo": 77.49838881403308,
      "price_per_sqm": 234432.2803748365,
      "cost_per_unit": 2856.7467248908297,
      "floor_per_unit": 121.85807860262008,
      "yoy": 0.5385124262785146,
      "ratio_national": 0.9576049330649979,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 82.97472035763712,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 474,
      "floor_total": 56344,
      "cost_total": 1381991,
      "price_per_tsubo": 81.08355863783189,
      "price_per_sqm": 245277.4030952719,
      "cost_per_unit": 2915.5928270042195,
      "floor_per_unit": 118.86919831223629,
      "yoy": 4.626121753836543,
      "ratio_national": 0.981920939065421,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 86.8132319462868,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 471,
      "floor_total": 55543,
      "cost_total": 1401171,
      "price_per_tsubo": 83.39443458383595,
      "price_per_sqm": 252267.79252110978,
      "cost_per_unit": 2974.8853503184714,
      "floor_per_unit": 117.92569002123142,
      "yoy": 2.8499932474915557,
      "ratio_national": 0.9860315217152177,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 87.59919599142431,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 463,
      "floor_total": 52732,
      "cost_total": 1345427,
      "price_per_tsubo": 84.34535239190625,
      "price_per_sqm": 255144.31464765227,
      "cost_per_unit": 2905.889848812095,
      "floor_per_unit": 113.89200863930886,
      "yoy": 1.140265310048183,
      "ratio_national": 0.9743498728306292,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 85.97895248920106,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 411,
      "floor_total": 47325,
      "cost_total": 1261647,
      "price_per_tsubo": 88.12974191505546,
      "price_per_sqm": 266592.07606973057,
      "cost_per_unit": 3069.700729927007,
      "floor_per_unit": 115.14598540145985,
      "yoy": 4.48677895797418,
      "ratio_national": 0.9825831061291771,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 87.95383424656234,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 365,
      "floor_total": 42139,
      "cost_total": 1151927,
      "price_per_tsubo": 90.36827540591851,
      "price_per_sqm": 273363.6298915494,
      "cost_per_unit": 3155.964383561644,
      "floor_per_unit": 115.44931506849315,
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      "ratio_national": 0.9813055103397396,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 90.36827540591851,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 409,
      "floor_total": 46961,
      "cost_total": 1332676,
      "price_per_tsubo": 93.81288716253913,
      "price_per_sqm": 283783.56508592237,
      "cost_per_unit": 3258.3765281173596,
      "floor_per_unit": 114.81907090464547,
      "yoy": 3.811748914260038,
      "ratio_national": 0.9882195891775328,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 86.62316450834638,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 360,
      "floor_total": 41267,
      "cost_total": 1281350,
      "price_per_tsubo": 102.6455525359246,
      "price_per_sqm": 310502.3384302227,
      "cost_per_unit": 3559.3055555555557,
      "floor_per_unit": 114.63055555555556,
      "yoy": 9.415194053330955,
      "ratio_national": 1.0142525092396582,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 88.18346437794209,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 247,
      "floor_total": 27847,
      "cost_total": 930569,
      "price_per_tsubo": 110.47027308184006,
      "price_per_sqm": 334172.08316874347,
      "cost_per_unit": 3767.4858299595144,
      "floor_per_unit": 112.74089068825911,
      "yoy": 7.623048785457032,
      "ratio_national": 1.0103469364380506,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 94.41903682208552,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 206,
      "floor_total": 23963,
      "cost_total": 853806,
      "price_per_tsubo": 117.78589228143389,
      "price_per_sqm": 356301.79860618454,
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      "deflator": 121.4,
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    {
      "fiscal_year": 2025,
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  ]
}