{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "apartment",
    "label": "分譲住宅・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": null,
  "years": [
    {
      "fiscal_year": 2012,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 28,
      "floor_total": 924,
      "cost_total": 18386,
      "price_per_tsubo": 65.7794966883117,
      "price_per_sqm": 198982.683982684,
      "cost_per_unit": 656.6428571428571,
      "floor_per_unit": 33,
      "yoy": null,
      "ratio_national": 0.9212742651426731,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 70.27724005161507,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 48,
      "floor_total": 1918,
      "cost_total": 40190,
      "price_per_tsubo": 69.26991663190825,
      "price_per_sqm": 209541.18873826903,
      "cost_per_unit": 837.2916666666666,
      "floor_per_unit": 39.958333333333336,
      "yoy": 5.306243007810618,
      "ratio_national": 0.9290448470586957,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 74.16479296778185,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 33,
      "floor_total": 1082,
      "cost_total": 24000,
      "price_per_tsubo": 73.32621072088725,
      "price_per_sqm": 221811.46025878005,
      "cost_per_unit": 727.2727272727273,
      "floor_per_unit": 32.78787878787879,
      "yoy": 5.855780237954722,
      "ratio_national": 0.8675196966269678,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 78.50772025790926,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 30,
      "floor_total": 1304,
      "cost_total": 34200,
      "price_per_tsubo": 86.70093404907975,
      "price_per_sqm": 262269.9386503067,
      "cost_per_unit": 1140,
      "floor_per_unit": 43.46666666666667,
      "yoy": null,
      "ratio_national": 1.0067944872168297,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 88.38015703270108,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 585,
      "floor_total": 55983,
      "cost_total": 1611610,
      "price_per_tsubo": 95.16539345694228,
      "price_per_sqm": 287874.89059178677,
      "cost_per_unit": 2754.8888888888887,
      "floor_per_unit": 95.6974358974359,
      "yoy": null,
      "ratio_national": 1.066559669818693,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 95.16539345694228,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 82,
      "floor_total": 3079,
      "cost_total": 84500,
      "price_per_tsubo": 90.7240191620656,
      "price_per_sqm": 274439.7531666125,
      "cost_per_unit": 1030.4878048780488,
      "floor_per_unit": 37.548780487804876,
      "yoy": -4.667005655670609,
      "ratio_national": 0.9919449851827821,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 83.77102415703195,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 39,
      "floor_total": 1759,
      "cost_total": 60892,
      "price_per_tsubo": 114.43784234223992,
      "price_per_sqm": 346173.96247868106,
      "cost_per_unit": 1561.3333333333333,
      "floor_per_unit": 45.1025641025641,
      "yoy": null,
      "ratio_national": 1.1812078525457406,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 97.81012166003413,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 24,
      "floor_total": 1249,
      "cost_total": 32031,
      "price_per_tsubo": 84.7780300160128,
      "price_per_sqm": 256453.162530024,
      "cost_per_unit": 1334.625,
      "floor_per_unit": 52.041666666666664,
      "yoy": -25.91783602274319,
      "ratio_national": 0.7854215069882303,
      "rank_in_national": 14,
      "is_spliced": true,
      "price_per_tsubo_real": 69.83363263262999,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 20,
      "floor_total": 1329,
      "cost_total": 45709,
      "price_per_tsubo": 113.6977841309255,
      "price_per_sqm": 343935.28969149734,
      "cost_per_unit": 2285.45,
      "floor_per_unit": 66.45,
      "yoy": 34.11232144631144,
      "ratio_national": 0.9411360693517969,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 91.47046189133185,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}