{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 8386,
    "price_per_tsubo": 103.17447654571362,
    "prev_price_per_tsubo": 92.20450051574835,
    "change_vs_prev": 11.897440980217254,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 13453,
      "floor_total": 661683,
      "cost_total": 12022711,
      "price_per_tsubo": 60.06585902417019,
      "price_per_sqm": 181698.9555421554,
      "cost_per_unit": 893.6825243440124,
      "floor_per_unit": 49.18479149632052,
      "yoy": null,
      "ratio_national": 1.0728510488060272,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 68.41214011864486,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 15950,
      "floor_total": 792045,
      "cost_total": 14758569,
      "price_per_tsubo": 61.59843167308675,
      "price_per_sqm": 186334.98096699052,
      "cost_per_unit": 925.302131661442,
      "floor_per_unit": 49.657993730407526,
      "yoy": 2.5514871073430756,
      "ratio_national": 1.0515150201141832,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 68.13985804544994,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 15478,
      "floor_total": 729916,
      "cost_total": 13999835,
      "price_per_tsubo": 63.405261077507554,
      "price_per_sqm": 191800.63185352835,
      "cost_per_unit": 904.4989662747125,
      "floor_per_unit": 47.15828918464918,
      "yoy": 2.933239297406054,
      "ratio_national": 1.025314292895948,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 67.8857184984021,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 17204,
      "floor_total": 782829,
      "cost_total": 15894662,
      "price_per_tsubo": 67.12119082581253,
      "price_per_sqm": 203041.30276216133,
      "cost_per_unit": 923.8933968844455,
      "floor_per_unit": 45.50273192280865,
      "yoy": 5.860601604908733,
      "ratio_national": 1.054820856315639,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 72.01844509207353,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 19909,
      "floor_total": 861820,
      "cost_total": 17983042,
      "price_per_tsubo": 68.97978744190202,
      "price_per_sqm": 208663.5492330185,
      "cost_per_unit": 903.2619418353509,
      "floor_per_unit": 43.28796021899643,
      "yoy": 2.769016153054804,
      "ratio_national": 1.071573461791783,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 73.77517373465456,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 19592,
      "floor_total": 828724,
      "cost_total": 16991350,
      "price_per_tsubo": 67.77869944215443,
      "price_per_sqm": 205030.2633928787,
      "cost_per_unit": 867.2595957533687,
      "floor_per_unit": 42.299101674152716,
      "yoy": -1.7412173105914475,
      "ratio_national": 1.0414667492866525,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 71.19611285940591,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 16281,
      "floor_total": 692676,
      "cost_total": 14495993,
      "price_per_tsubo": 69.18199663258146,
      "price_per_sqm": 209275.231132593,
      "cost_per_unit": 890.3625698667158,
      "floor_per_unit": 42.54505251520177,
      "yoy": 2.070410323562877,
      "ratio_national": 1.0328901390425616,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 70.521912979186,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 13716,
      "floor_total": 614433,
      "cost_total": 12985546,
      "price_per_tsubo": 69.86520598883848,
      "price_per_sqm": 211341.93638688026,
      "cost_per_unit": 946.7443861184018,
      "floor_per_unit": 44.79680664916885,
      "yoy": 0.987553683779141,
      "ratio_national": 1.012294196694032,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 69.72575447987872,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 13499,
      "floor_total": 601566,
      "cost_total": 13161052,
      "price_per_tsubo": 72.32402444799074,
      "price_per_sqm": 218779.8512548914,
      "cost_per_unit": 974.9649603674346,
      "floor_per_unit": 44.56374546262686,
      "yoy": 3.519374808034015,
      "ratio_national": 1.0170579913022655,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 72.32402444799074,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 15516,
      "floor_total": 680001,
      "cost_total": 15041692,
      "price_per_tsubo": 73.12441451803747,
      "price_per_sqm": 221201.02764554758,
      "cost_per_unit": 969.4310389275587,
      "floor_per_unit": 43.82579273008508,
      "yoy": 1.1066724731590538,
      "ratio_national": 1.000051438857093,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 67.27177048577504,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 16546,
      "floor_total": 734757,
      "cost_total": 17614320,
      "price_per_tsubo": 79.24966065352218,
      "price_per_sqm": 239729.86987534654,
      "cost_per_unit": 1064.5666626374955,
      "floor_per_unit": 44.40692614529191,
      "yoy": 8.37647203858818,
      "ratio_national": 1.025140076362555,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 68.73344375847545,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 16108,
      "floor_total": 726813,
      "cost_total": 18952603,
      "price_per_tsubo": 86.20281347660264,
      "price_per_sqm": 260763.12614111195,
      "cost_per_unit": 1176.5956667494413,
      "floor_per_unit": 45.12124410230941,
      "yoy": 8.773731982878118,
      "ratio_national": 1.021493857404791,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 75.02420668111631,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 17676,
      "floor_total": 781499,
      "cost_total": 22389164,
      "price_per_tsubo": 94.70757411021638,
      "price_per_sqm": 286489.98911067063,
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      "is_spliced": true,
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      "deflator": 119.3,
      "deflator_provisional": true
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    {
      "fiscal_year": 2025,
      "units": 16005,
      "floor_total": 689908,
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      "price_per_tsubo": 95.66365201760235,
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      "deflator_provisional": true
    }
  ]
}