{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "all",
    "label": "持家"
  },
  "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": 3432,
    "price_per_tsubo": 88.66889020752126,
    "prev_price_per_tsubo": 86.26628482247868,
    "change_vs_prev": 2.7851035778192283,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 11790,
      "floor_total": 1403271,
      "cost_total": 24305777,
      "price_per_tsubo": 57.25892899434963,
      "price_per_sqm": 173208.00472610065,
      "cost_per_unit": 2061.558693808312,
      "floor_per_unit": 119.02213740458015,
      "yoy": null,
      "ratio_national": 1.0359500090204135,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 65.14098861700755,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 13016,
      "floor_total": 1542167,
      "cost_total": 27104967,
      "price_per_tsubo": 58.10222165234375,
      "price_per_sqm": 175758.961253872,
      "cost_per_unit": 2082.4344652735094,
      "floor_per_unit": 118.48240626920713,
      "yoy": 1.472770575358373,
      "ratio_national": 1.037975485424993,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 64.05978131460171,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 10244,
      "floor_total": 1208666,
      "cost_total": 21835434,
      "price_per_tsubo": 59.7215106264758,
      "price_per_sqm": 180657.30317556713,
      "cost_per_unit": 2131.533971105037,
      "floor_per_unit": 117.98770011714174,
      "yoy": 2.786965675462638,
      "ratio_national": 1.0360137023376383,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 63.87327339730032,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 10459,
      "floor_total": 1229361,
      "cost_total": 22511376,
      "price_per_tsubo": 60.533790861301114,
      "price_per_sqm": 183114.44726162616,
      "cost_per_unit": 2152.3449660579404,
      "floor_per_unit": 117.5409694999522,
      "yoy": 1.3601133432569412,
      "ratio_national": 1.0377722779532705,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 64.74202231155199,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 10466,
      "floor_total": 1215814,
      "cost_total": 22441614,
      "price_per_tsubo": 61.01859589136167,
      "price_per_sqm": 184580.9803144231,
      "cost_per_unit": 2144.239824192624,
      "floor_per_unit": 116.16797248232372,
      "yoy": 0.8008833135386695,
      "ratio_national": 1.039176114095429,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 64.98253023574192,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 10487,
      "floor_total": 1216328,
      "cost_total": 22533098,
      "price_per_tsubo": 61.241449705523515,
      "price_per_sqm": 185255.11210791825,
      "cost_per_unit": 2148.669590922094,
      "floor_per_unit": 115.98436159054067,
      "yoy": 0.36522278316371004,
      "ratio_national": 1.0318141258209073,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 64.26175205196591,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 10545,
      "floor_total": 1219032,
      "cost_total": 22517722,
      "price_per_tsubo": 61.06390989767291,
      "price_per_sqm": 184718.05498132945,
      "cost_per_unit": 2135.393266951162,
      "floor_per_unit": 115.60284495021337,
      "yoy": -0.28990138003639476,
      "ratio_national": 1.0165720473888653,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 62.373758833169454,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 10291,
      "floor_total": 1185346,
      "cost_total": 21495069,
      "price_per_tsubo": 59.94720878925647,
      "price_per_sqm": 181340.03911094312,
      "cost_per_unit": 2088.725002429307,
      "floor_per_unit": 115.1827810708386,
      "yoy": -1.828741576305437,
      "ratio_national": 0.9853567090885752,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 59.88732146778869,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 10733,
      "floor_total": 1222202,
      "cost_total": 22248350,
      "price_per_tsubo": 60.17693715646022,
      "price_per_sqm": 182034.96639671674,
      "cost_per_unit": 2072.892015279978,
      "floor_per_unit": 113.87328799031026,
      "yoy": 0.38321778752261615,
      "ratio_national": 0.9820083821969302,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 60.17693715646022,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 11670,
      "floor_total": 1332979,
      "cost_total": 24296455,
      "price_per_tsubo": 60.25524631254506,
      "price_per_sqm": 182271.8512444682,
      "cost_per_unit": 2081.958440445587,
      "floor_per_unit": 114.22270779777206,
      "yoy": 0.13013150849010557,
      "ratio_national": 0.9768049379490813,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 54.628509802851376,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 9960,
      "floor_total": 1124770,
      "cost_total": 20827442,
      "price_per_tsubo": 61.21353653562951,
      "price_per_sqm": 185170.67489353378,
      "cost_per_unit": 2091.1086345381527,
      "floor_per_unit": 112.92871485943775,
      "yoy": 1.5903847079369315,
      "ratio_national": 0.9647122032312776,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 52.453758813735654,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 8798,
      "floor_total": 984925,
      "cost_total": 23349466,
      "price_per_tsubo": 78.36985679939082,
      "price_per_sqm": 237068.4671421682,
      "cost_per_unit": 2653.951579904524,
      "floor_per_unit": 111.94873834962492,
      "yoy": 28.02700388626529,
      "ratio_national": 1.0035532130572473,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 68.26642578344148,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 8510,
      "floor_total": 949496,
      "cost_total": 23784051,
      "price_per_tsubo": 82.80717133646692,
      "price_per_sqm": 250491.3238181098,
      "cost_per_unit": 2794.8356051703877,
      "floor_per_unit": 111.57414806110458,
      "yoy": 5.662016900751299,
      "ratio_national": 1.0068876087251963,
      "rank_in_national": 20,
      "is_spliced": true,
      "price_per_tsubo_real": 69.70300617547721,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 7950,
      "floor_total": 881746,
      "cost_total": 23112300,
      "price_per_tsubo": 86.65126943246695,
      "price_per_sqm": 262119.70340665,
      "cost_per_unit": 2907.2075471698113,
      "floor_per_unit": 110.9114465408805,
      "yoy": 4.642228485719513,
      "ratio_national": 0.9914462177221972,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 70.85140591370968,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}