{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "all",
    "label": "貸家"
  },
  "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": 4670,
    "price_per_tsubo": 79.60388374253978,
    "prev_price_per_tsubo": 73.12663238322638,
    "change_vs_prev": 8.857581907189171,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 5263,
      "floor_total": 247944,
      "cost_total": 4034859,
      "price_per_tsubo": 53.79600447524441,
      "price_per_sqm": 162732.67350692092,
      "cost_per_unit": 766.6462093862816,
      "floor_per_unit": 47.110773323199695,
      "yoy": null,
      "ratio_national": 1.093563384760788,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 61.201370279003875,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 6221,
      "floor_total": 293946,
      "cost_total": 4913535,
      "price_per_tsubo": 55.2588396088057,
      "price_per_sqm": 167157.74325896593,
      "cost_per_unit": 789.8304131168622,
      "floor_per_unit": 47.25060279697798,
      "yoy": 2.7192263585940735,
      "ratio_national": 1.0801686590263855,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 60.924850726356894,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 6801,
      "floor_total": 306263,
      "cost_total": 5278372,
      "price_per_tsubo": 56.97452638379432,
      "price_per_sqm": 172347.68809813788,
      "cost_per_unit": 776.1170416115277,
      "floor_per_unit": 45.03205410968975,
      "yoy": 3.104818680838206,
      "ratio_national": 1.0876404581194463,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 60.9353223356089,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7801,
      "floor_total": 329339,
      "cost_total": 5826744,
      "price_per_tsubo": 58.48682375230386,
      "price_per_sqm": 176922.38089020737,
      "cost_per_unit": 746.9227022176644,
      "floor_per_unit": 42.21753621330598,
      "yoy": 2.6543395171420014,
      "ratio_national": 1.097686266405142,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 62.552752676260816,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 9241,
      "floor_total": 380416,
      "cost_total": 6809961,
      "price_per_tsubo": 59.17811284012765,
      "price_per_sqm": 179013.52729643337,
      "cost_per_unit": 736.9290120116871,
      "floor_per_unit": 41.16610756411644,
      "yoy": 1.1819569664980545,
      "ratio_national": 1.103968681696897,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 63.02248438778237,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 9217,
      "floor_total": 371414,
      "cost_total": 6670129,
      "price_per_tsubo": 59.36783682604856,
      "price_per_sqm": 179587.44150732068,
      "cost_per_unit": 723.6767928827168,
      "floor_per_unit": 40.296625800151894,
      "yoy": 0.32059823609693616,
      "ratio_national": 1.0990069412736558,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 62.29573643866586,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 7624,
      "floor_total": 311196,
      "cost_total": 5553677,
      "price_per_tsubo": 58.99590576302395,
      "price_per_sqm": 178462.35170117868,
      "cost_per_unit": 728.4466159496327,
      "floor_per_unit": 40.81794333683106,
      "yoy": -0.6264857924912937,
      "ratio_national": 1.0821719183756788,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 60.26139505926859,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 6137,
      "floor_total": 265216,
      "cost_total": 4558321,
      "price_per_tsubo": 56.81728092796061,
      "price_per_sqm": 171872.0212958494,
      "cost_per_unit": 742.7604692846668,
      "floor_per_unit": 43.215903535929606,
      "yoy": -3.692840726633617,
      "ratio_national": 1.042884721506923,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 56.76052040755306,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 5863,
      "floor_total": 251163,
      "cost_total": 4239736,
      "price_per_tsubo": 55.80311141147383,
      "price_per_sqm": 168804.16303356783,
      "cost_per_unit": 723.1342316220365,
      "floor_per_unit": 42.83864915572233,
      "yoy": -1.7849666508551465,
      "ratio_national": 1.0115550354604657,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 55.80311141147383,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 6688,
      "floor_total": 277651,
      "cost_total": 4846279,
      "price_per_tsubo": 57.70114516212799,
      "price_per_sqm": 174545.70666051985,
      "cost_per_unit": 724.6230562200957,
      "floor_per_unit": 41.514802631578945,
      "yoy": 3.401304519847792,
      "ratio_national": 1.0505178734294505,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 52.312914924866725,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 6911,
      "floor_total": 299702,
      "cost_total": 5274371,
      "price_per_tsubo": 58.17766617536753,
      "price_per_sqm": 175987.1805993954,
      "cost_per_unit": 763.1849225871798,
      "floor_per_unit": 43.36593835913761,
      "yoy": 0.8258432512918246,
      "ratio_national": 1.0271585312406177,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 49.852327485319215,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 7323,
      "floor_total": 310918,
      "cost_total": 6459567,
      "price_per_tsubo": 68.68039802433438,
      "price_per_sqm": 207757.8975807126,
      "cost_per_unit": 882.0929946743138,
      "floor_per_unit": 42.45773590058719,
      "yoy": 18.052858664539762,
      "ratio_national": 1.0659440117262038,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 59.8261306832181,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 9051,
      "floor_total": 376686,
      "cost_total": 8316647,
      "price_per_tsubo": 72.9867541828738,
      "price_per_sqm": 220784.60574589978,
      "cost_per_unit": 918.8649872942216,
      "floor_per_unit": 41.618163738813394,
      "yoy": 6.270138616572396,
      "ratio_national": 1.0693934398970615,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 61.43666177009579,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 9386,
      "floor_total": 372923,
      "cost_total": 8479616,
      "price_per_tsubo": 75.16787587957836,
      "price_per_sqm": 227382.48914655304,
      "cost_per_unit": 903.4323460473045,
      "floor_per_unit": 39.731834647347114,
      "yoy": 2.988380180929262,
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      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 61.46187725231265,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}