{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 70,
    "price_per_tsubo": 74.54731443695862,
    "prev_price_per_tsubo": 54.26953564727955,
    "change_vs_prev": 37.36493881479447,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 23,
      "floor_total": 829,
      "cost_total": 11712,
      "price_per_tsubo": 46.70375449939686,
      "price_per_sqm": 141278.64897466826,
      "cost_per_unit": 509.2173913043478,
      "floor_per_unit": 36.04347826086956,
      "yoy": null,
      "ratio_national": 0.9246267647937503,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 53.1328265067086,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 64,
      "floor_total": 1730,
      "cost_total": 29888,
      "price_per_tsubo": 57.11182168786127,
      "price_per_sqm": 172763.0057803468,
      "cost_per_unit": 467,
      "floor_per_unit": 27.03125,
      "yoy": 22.28529012287186,
      "ratio_national": 1.0405387051978316,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 62.96782986533768,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 25,
      "floor_total": 632,
      "cost_total": 11344,
      "price_per_tsubo": 59.3368382278481,
      "price_per_sqm": 179493.67088607594,
      "cost_per_unit": 453.76,
      "floor_per_unit": 25.28,
      "yoy": 3.8958948852085618,
      "ratio_national": 1.1515558758903053,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 63.46185906721722,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 39,
      "floor_total": 1361,
      "cost_total": 22822,
      "price_per_tsubo": 55.433313284349744,
      "price_per_sqm": 167685.5253490081,
      "cost_per_unit": 585.1794871794872,
      "floor_per_unit": 34.8974358974359,
      "yoy": -6.578586018535693,
      "ratio_national": 1.081744092554643,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 59.28696607951844,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 32,
      "floor_total": 770,
      "cost_total": 17300,
      "price_per_tsubo": 74.27294415584416,
      "price_per_sqm": 224675.32467532466,
      "cost_per_unit": 540.625,
      "floor_per_unit": 24.0625,
      "yoy": 33.98611729169963,
      "ratio_national": 1.6136447848077369,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 79.09791709887556,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 90,
      "floor_total": 1798,
      "cost_total": 38445,
      "price_per_tsubo": 70.68470330923249,
      "price_per_sqm": 213820.91212458286,
      "cost_per_unit": 427.1666666666667,
      "floor_per_unit": 19.977777777777778,
      "yoy": -4.831154719116282,
      "ratio_national": 1.4404127172833512,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 74.17072750181794,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 69,
      "floor_total": 2108,
      "cost_total": 30497,
      "price_per_tsubo": 47.82574840132827,
      "price_per_sqm": 144672.67552182163,
      "cost_per_unit": 441.9855072463768,
      "floor_per_unit": 30.55072463768116,
      "yoy": -32.33932355618799,
      "ratio_national": 1.027037426950694,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 48.85163268777147,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 58,
      "floor_total": 1616,
      "cost_total": 25050,
      "price_per_tsubo": 51.24383632425743,
      "price_per_sqm": 155012.37623762377,
      "cost_per_unit": 431.8965517241379,
      "floor_per_unit": 27.862068965517242,
      "yoy": 7.146961704072852,
      "ratio_national": 1.2942867412824375,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 51.19264368057686,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 85,
      "floor_total": 2714,
      "cost_total": 37169,
      "price_per_tsubo": 45.27373194915254,
      "price_per_sqm": 136952.83714075165,
      "cost_per_unit": 437.2823529411765,
      "floor_per_unit": 31.929411764705883,
      "yoy": -11.650385301614907,
      "ratio_national": 0.9525074882289819,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 45.27373194915254,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 97,
      "floor_total": 3240,
      "cost_total": 60300,
      "price_per_tsubo": 61.524425,
      "price_per_sqm": 186111.11111111112,
      "cost_per_unit": 621.6494845360825,
      "floor_per_unit": 33.402061855670105,
      "yoy": 35.894308578534684,
      "ratio_national": 1.316579482232825,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 55.77917044424298,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 25,
      "floor_total": 766,
      "cost_total": 17580,
      "price_per_tsubo": 75.86917519582245,
      "price_per_sqm": 229503.91644908616,
      "cost_per_unit": 703.2,
      "floor_per_unit": 30.64,
      "yoy": 23.315537196523906,
      "ratio_national": 1.3223882749326485,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 65.01214669736285,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 88,
      "floor_total": 2494,
      "cost_total": 46500,
      "price_per_tsubo": 61.63561948676825,
      "price_per_sqm": 186447.4739374499,
      "cost_per_unit": 528.4090909090909,
      "floor_per_unit": 28.34090909090909,
      "yoy": -18.76065697605994,
      "ratio_national": 0.9661819976288597,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 53.68956401286433,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 96,
      "floor_total": 2823,
      "cost_total": 49000,
      "price_per_tsubo": 57.37998937300744,
      "price_per_sqm": 173574.21183138504,
      "cost_per_unit": 510.4166666666667,
      "floor_per_unit": 29.40625,
      "yoy": -6.904497998392623,
      "ratio_national": 0.8557359891985314,
      "rank_in_national": 8,
      "is_spliced": true,
      "price_per_tsubo_real": 48.29965435438337,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 248,
      "floor_total": 7475,
      "cost_total": 145800,
      "price_per_tsubo": 64.47948923076923,
      "price_per_sqm": 195050.16722408027,
      "cost_per_unit": 587.9032258064516,
      "floor_per_unit": 30.141129032258064,
      "yoy": 12.37278001501605,
      "ratio_national": 1.0225382149049276,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 52.72239511918989,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}