{
  "area": {
    "code": "35000",
    "name": "山口県",
    "slug": "yamaguchi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 1322,
    "price_per_tsubo": 89.1019397448805,
    "prev_price_per_tsubo": 88.73632738896407,
    "change_vs_prev": 0.41202105910222997,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 3808,
      "floor_total": 453096,
      "cost_total": 7917593,
      "price_per_tsubo": 57.76678620749245,
      "price_per_sqm": 174744.27052986564,
      "cost_per_unit": 2079.199842436975,
      "floor_per_unit": 118.98529411764706,
      "yoy": null,
      "ratio_national": 1.031011201744741,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 65.79360615887524,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 4277,
      "floor_total": 504837,
      "cost_total": 8884691,
      "price_per_tsubo": 58.17902146809762,
      "price_per_sqm": 175991.2803538568,
      "cost_per_unit": 2077.318447509937,
      "floor_per_unit": 118.03530512041151,
      "yoy": 0.713619863020365,
      "ratio_national": 1.0311716561606683,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 64.35732463285136,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 3510,
      "floor_total": 412019,
      "cost_total": 7457868,
      "price_per_tsubo": 59.837399381387755,
      "price_per_sqm": 181007.8661420954,
      "cost_per_unit": 2124.748717948718,
      "floor_per_unit": 117.38433048433049,
      "yoy": 2.850474056528274,
      "ratio_national": 1.0390604260059721,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 64.06573809570423,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 3692,
      "floor_total": 425941,
      "cost_total": 7696278,
      "price_per_tsubo": 59.73193200377518,
      "price_per_sqm": 180688.8277953989,
      "cost_per_unit": 2084.582340195016,
      "floor_per_unit": 115.36863488624051,
      "yoy": -0.17625661994492559,
      "ratio_national": 1.0256211344848667,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 64.09005579804203,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 3895,
      "floor_total": 443434,
      "cost_total": 8102751,
      "price_per_tsubo": 60.4058173894875,
      "price_per_sqm": 182727.32808039075,
      "cost_per_unit": 2080.295507060334,
      "floor_per_unit": 113.84698331193839,
      "yoy": 1.128182804583866,
      "ratio_national": 1.0342733295669753,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 64.60515228822192,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 4193,
      "floor_total": 472500,
      "cost_total": 8688623,
      "price_per_tsubo": 60.788916459619045,
      "price_per_sqm": 183886.20105820106,
      "cost_per_unit": 2072.1733842117815,
      "floor_per_unit": 112.68781302170284,
      "yoy": 0.6342089002146611,
      "ratio_national": 1.0320139977744616,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 63.85390384413765,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 4418,
      "floor_total": 493396,
      "cost_total": 9041038,
      "price_per_tsubo": 60.575628926906575,
      "price_per_sqm": 183241.00722340675,
      "cost_per_unit": 2046.4096876414667,
      "floor_per_unit": 111.67858759619737,
      "yoy": -0.3508658241246243,
      "ratio_national": 1.017595023103974,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 61.748857213972045,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 4207,
      "floor_total": 467532,
      "cost_total": 8930612,
      "price_per_tsubo": 63.1458977000077,
      "price_per_sqm": 191016.05879383656,
      "cost_per_unit": 2122.7981934870454,
      "floor_per_unit": 111.13192298550035,
      "yoy": 4.24307401942543,
      "ratio_national": 1.051384123845477,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 63.01985798403962,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 3972,
      "floor_total": 440417,
      "cost_total": 8469001,
      "price_per_tsubo": 63.56870605764537,
      "price_per_sqm": 192295.05218917527,
      "cost_per_unit": 2132.175478348439,
      "floor_per_unit": 110.88041289023163,
      "yoy": 0.6695737538586322,
      "ratio_national": 1.0509581461752915,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 63.56870605764537,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 4312,
      "floor_total": 477408,
      "cost_total": 9222290,
      "price_per_tsubo": 63.85932799429419,
      "price_per_sqm": 193174.1822508211,
      "cost_per_unit": 2138.75,
      "floor_per_unit": 110.71614100185529,
      "yoy": 0.4571776817122508,
      "ratio_national": 1.0477492579089032,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 58.74823182547764,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 4121,
      "floor_total": 444262,
      "cost_total": 8979683,
      "price_per_tsubo": 66.81855811338805,
      "price_per_sqm": 202125.8401573846,
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      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 57.95191510267828,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 3525,
      "floor_total": 377145,
      "cost_total": 9045914,
      "price_per_tsubo": 79.29017232645269,
      "price_per_sqm": 239852.41750520357,
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      "floor_per_unit": 106.99148936170212,
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      "ratio_national": 1.0935541795127304,
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      "is_spliced": false,
      "price_per_tsubo_real": 69.00798287767857,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 3355,
      "floor_total": 362213,
      "cost_total": 9128328,
      "price_per_tsubo": 83.31102257268513,
      "price_per_sqm": 252015.47155955198,
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      "deflator": 119.3,
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    {
      "fiscal_year": 2025,
      "units": 3008,
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    }
  ]
}