{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・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": 52,
    "price_per_tsubo": 72.17594064356436,
    "prev_price_per_tsubo": 67.7352388120482,
    "change_vs_prev": 6.555969845826098,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 256,
      "floor_total": 20887,
      "cost_total": 341040,
      "price_per_tsubo": 53.97647443864605,
      "price_per_sqm": 163278.59434097764,
      "cost_per_unit": 1332.1875,
      "floor_per_unit": 81.58984375,
      "yoy": null,
      "ratio_national": 1.1425582551868694,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 61.40668309288515,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 288,
      "floor_total": 21323,
      "cost_total": 356418,
      "price_per_tsubo": 55.25690851287342,
      "price_per_sqm": 167151.90170238708,
      "cost_per_unit": 1237.5625,
      "floor_per_unit": 74.03819444444444,
      "yoy": 2.37220768407691,
      "ratio_national": 1.1094671151732984,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 60.922721623895725,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 259,
      "floor_total": 22306,
      "cost_total": 389658,
      "price_per_tsubo": 57.74802832511432,
      "price_per_sqm": 174687.528019367,
      "cost_per_unit": 1504.4710424710424,
      "floor_per_unit": 86.12355212355213,
      "yoy": 4.508250423855209,
      "ratio_national": 1.08482581102374,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 61.7625971391597,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 252,
      "floor_total": 19594,
      "cost_total": 352059,
      "price_per_tsubo": 59.39742378330101,
      "price_per_sqm": 179676.94192099624,
      "cost_per_unit": 1397.0595238095239,
      "floor_per_unit": 77.75396825396825,
      "yoy": 2.8561935463853327,
      "ratio_national": 1.0925783284098707,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 63.526656452728346,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 231,
      "floor_total": 19848,
      "cost_total": 346596,
      "price_per_tsubo": 57.72740784159613,
      "price_per_sqm": 174625.15114873037,
      "cost_per_unit": 1500.4155844155844,
      "floor_per_unit": 85.92207792207792,
      "yoy": -2.8115965901106654,
      "ratio_national": 1.0645910307641997,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 61.47753763748257,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 173,
      "floor_total": 13845,
      "cost_total": 248301,
      "price_per_tsubo": 59.28717679956662,
      "price_per_sqm": 179343.44528710726,
      "cost_per_unit": 1435.2658959537573,
      "floor_per_unit": 80.02890173410404,
      "yoy": 2.701955650339416,
      "ratio_national": 1.0917331432586221,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 62.21109842556834,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 254,
      "floor_total": 19830,
      "cost_total": 344401,
      "price_per_tsubo": 57.4138871301059,
      "price_per_sqm": 173676.75239536056,
      "cost_per_unit": 1355.9094488188975,
      "floor_per_unit": 78.07086614173228,
      "yoy": -3.159687761476304,
      "ratio_national": 1.076563858768729,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 58.645441399495304,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 222,
      "floor_total": 19335,
      "cost_total": 340077,
      "price_per_tsubo": 58.144460606671835,
      "price_per_sqm": 175886.7339022498,
      "cost_per_unit": 1531.8783783783783,
      "floor_per_unit": 87.0945945945946,
      "yoy": 1.2724682356210826,
      "ratio_national": 1.0768897152934553,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 58.0863742324394,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 192,
      "floor_total": 19136,
      "cost_total": 333665,
      "price_per_tsubo": 57.64143082932693,
      "price_per_sqm": 174365.07107023412,
      "cost_per_unit": 1737.8385416666667,
      "floor_per_unit": 99.66666666666667,
      "yoy": -0.865137920442216,
      "ratio_national": 1.044391450093131,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 57.641430829326936,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 223,
      "floor_total": 21647,
      "cost_total": 378185,
      "price_per_tsubo": 57.753970118261186,
      "price_per_sqm": 174705.50191712478,
      "cost_per_unit": 1695.8968609865472,
      "floor_per_unit": 97.07174887892377,
      "yoy": 0.19524027650785758,
      "ratio_national": 1.0432686993551532,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 52.36080699751694,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 241,
      "floor_total": 19886,
      "cost_total": 352445,
      "price_per_tsubo": 58.589417507291564,
      "price_per_sqm": 177232.72654128532,
      "cost_per_unit": 1462.4273858921163,
      "floor_per_unit": 82.51452282157676,
      "yoy": 1.446562699187015,
      "ratio_national": 1.000444948376675,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 50.20515639013844,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 207,
      "floor_total": 16618,
      "cost_total": 366468,
      "price_per_tsubo": 72.90084545191961,
      "price_per_sqm": 220524.7322180768,
      "cost_per_unit": 1770.376811594203,
      "floor_per_unit": 80.28019323671498,
      "yoy": 24.426643161022987,
      "ratio_national": 1.0492551985920862,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 63.50247861665471,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 219,
      "floor_total": 18443,
      "cost_total": 394467,
      "price_per_tsubo": 70.7056912611831,
      "price_per_sqm": 213884.40058558804,
      "cost_per_unit": 1801.2191780821918,
      "floor_per_unit": 84.21461187214612,
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      "ratio_national": 0.9842257221960131,
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      "is_spliced": true,
      "price_per_tsubo_real": 59.51657513567602,
      "deflator": 118.8,
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    },
    {
      "fiscal_year": 2025,
      "units": 210,
      "floor_total": 18596,
      "cost_total": 417439,
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      "is_spliced": false,
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      "deflator_provisional": true
    }
  ]
}