{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "apartment",
    "label": "共同住宅"
  },
  "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": 8591,
    "price_per_tsubo": 113.34858159607413,
    "prev_price_per_tsubo": 103.24875932637127,
    "change_vs_prev": 9.782027731468546,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 14357,
      "floor_total": 895554,
      "cost_total": 16584807,
      "price_per_tsubo": 61.22008179577111,
      "price_per_sqm": 185190.47427625806,
      "cost_per_unit": 1155.1721808177197,
      "floor_per_unit": 62.37751619419099,
      "yoy": null,
      "ratio_national": 1.034926918890906,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 69.72674464210833,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 14897,
      "floor_total": 896559,
      "cost_total": 17177790,
      "price_per_tsubo": 63.33790236236544,
      "price_per_sqm": 191596.8720407692,
      "cost_per_unit": 1153.1039806672484,
      "floor_per_unit": 60.183862522655566,
      "yoy": 3.459355989852053,
      "ratio_national": 1.0184314907610148,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 70.06405128580248,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 14150,
      "floor_total": 814520,
      "cost_total": 16920576,
      "price_per_tsubo": 68.67341616539802,
      "price_per_sqm": 207736.77748858224,
      "cost_per_unit": 1195.8004240282685,
      "floor_per_unit": 57.56325088339223,
      "yoy": 8.423887757613645,
      "ratio_national": 1.0054904211046547,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 73.5261415047088,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 15658,
      "floor_total": 818778,
      "cost_total": 17365713,
      "price_per_tsubo": 70.11351108392019,
      "price_per_sqm": 212093.05819159772,
      "cost_per_unit": 1109.0632903308212,
      "floor_per_unit": 52.291352663175374,
      "yoy": 2.0970194857552027,
      "ratio_national": 0.9619464669077045,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 75.22908914583711,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 18139,
      "floor_total": 913486,
      "cost_total": 20693234,
      "price_per_tsubo": 74.88618985387845,
      "price_per_sqm": 226530.39017565676,
      "cost_per_unit": 1140.8144881195215,
      "floor_per_unit": 50.36032857379128,
      "yoy": 6.807074265965296,
      "ratio_national": 1.0075478521579455,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 80.09218166190209,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 19845,
      "floor_total": 1030755,
      "cost_total": 23737831,
      "price_per_tsubo": 76.13087915313533,
      "price_per_sqm": 230295.56975226896,
      "cost_per_unit": 1196.1618039808516,
      "floor_per_unit": 51.94028722600151,
      "yoy": 1.6621079289593554,
      "ratio_national": 1.0176093330908322,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 79.96941087514215,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 16059,
      "floor_total": 777142,
      "cost_total": 17655009,
      "price_per_tsubo": 75.10049926797161,
      "price_per_sqm": 227178.67519706822,
      "cost_per_unit": 1099.384083691388,
      "floor_per_unit": 48.39292608506133,
      "yoy": -1.3534322690417433,
      "ratio_national": 0.9846052269465249,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 76.55504512535333,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14275,
      "floor_total": 746919,
      "cost_total": 17465727,
      "price_per_tsubo": 77.3015891406297,
      "price_per_sqm": 233836.96224088556,
      "cost_per_unit": 1223.5185288966725,
      "floor_per_unit": 52.32357267950963,
      "yoy": 2.9308591741903367,
      "ratio_national": 0.9779998324749479,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 77.14729455152664,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 15792,
      "floor_total": 836332,
      "cost_total": 21103219,
      "price_per_tsubo": 83.41521110995394,
      "price_per_sqm": 252330.64141991458,
      "cost_per_unit": 1336.3233915906787,
      "floor_per_unit": 52.959219858156025,
      "yoy": 7.908792092491312,
      "ratio_national": 1.0273445610125982,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 83.41521110995394,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 15708,
      "floor_total": 766534,
      "cost_total": 18483934,
      "price_per_tsubo": 79.71466911821263,
      "price_per_sqm": 241136.51840622857,
      "cost_per_unit": 1176.7210338680927,
      "floor_per_unit": 48.79895594601477,
      "yoy": -4.436291585791752,
      "ratio_national": 0.9634448498064632,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 73.33456220626736,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 17857,
      "floor_total": 923748,
      "cost_total": 23722457,
      "price_per_tsubo": 84.89486432017173,
      "price_per_sqm": 256806.5857788055,
      "cost_per_unit": 1328.468219745758,
      "floor_per_unit": 51.73030184241474,
      "yoy": 6.498421506682983,
      "ratio_national": 0.9785695939315531,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 73.62954407647159,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 16091,
      "floor_total": 767100,
      "cost_total": 21806202,
      "price_per_tsubo": 93.97304720320689,
      "price_per_sqm": 284268.04849432927,
      "cost_per_unit": 1355.1800385308557,
      "floor_per_unit": 47.672612019141134,
      "yoy": 10.693441771457191,
      "ratio_national": 0.9899341991892,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 81.78681218729929,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 18485,
      "floor_total": 927613,
      "cost_total": 31045094,
      "price_per_tsubo": 110.6372606833453,
      "price_per_sqm": 334677.2199182202,
      "cost_per_unit": 1679.4749256153639,
      "floor_per_unit": 50.181931295645114,
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      "ratio_national": 1.0291408524858443,
      "rank_in_national": 5,
      "is_spliced": true,
      "price_per_tsubo_real": 92.73869294496673,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 15938,
      "floor_total": 744754,
      "cost_total": 30704504,
      "price_per_tsubo": 136.29016061432367,
      "price_per_sqm": 412277.12774956564,
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      "price_per_tsubo_real": 111.1665257865609,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}