{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 1931,
    "price_per_tsubo": 117.20557796579152,
    "prev_price_per_tsubo": 127.3426224530755,
    "change_vs_prev": -7.96044897773281,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 6056,
      "floor_total": 517054,
      "cost_total": 9224975,
      "price_per_tsubo": 58.979971347770245,
      "price_per_sqm": 178414.1501661335,
      "cost_per_unit": 1523.2785667107,
      "floor_per_unit": 85.37879788639366,
      "yoy": null,
      "ratio_national": 0.9941225450105582,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 67.17536599973832,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 5640,
      "floor_total": 475235,
      "cost_total": 8820752,
      "price_per_tsubo": 61.35817806786117,
      "price_per_sqm": 185608.21488316308,
      "cost_per_unit": 1563.9631205673759,
      "floor_per_unit": 84.26152482269504,
      "yoy": 4.032227662621324,
      "ratio_national": 0.969281510833292,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 67.87409078303226,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 5347,
      "floor_total": 450114,
      "cost_total": 9515363,
      "price_per_tsubo": 69.88405570982019,
      "price_per_sqm": 211398.9567087449,
      "cost_per_unit": 1779.570413315878,
      "floor_per_unit": 84.18066205348794,
      "yoy": 13.895258807276733,
      "ratio_national": 0.9768447654266207,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 74.82232945376893,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 4651,
      "floor_total": 371276,
      "cost_total": 7647009,
      "price_per_tsubo": 68.08790733069199,
      "price_per_sqm": 205965.61587605986,
      "cost_per_unit": 1644.1644807568264,
      "floor_per_unit": 79.82713394968825,
      "yoy": -2.570183371420731,
      "ratio_national": 0.8578697992567689,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 73.05569456082831,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 4988,
      "floor_total": 413487,
      "cost_total": 9539402,
      "price_per_tsubo": 76.26662927148858,
      "price_per_sqm": 230706.21325458842,
      "cost_per_unit": 1912.4703287890939,
      "floor_per_unit": 82.89635124298316,
      "yoy": 12.012003689691708,
      "ratio_national": 0.9233829364053667,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 81.56858745613752,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 5773,
      "floor_total": 495099,
      "cost_total": 12327285,
      "price_per_tsubo": 82.30962995310028,
      "price_per_sqm": 248986.26335338992,
      "cost_per_unit": 2135.334314914256,
      "floor_per_unit": 85.76112939546164,
      "yoy": 7.92351876480637,
      "ratio_national": 0.9881341987567515,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 86.45969532888685,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3889,
      "floor_total": 304147,
      "cost_total": 7227065,
      "price_per_tsubo": 78.55135577977096,
      "price_per_sqm": 237617.50074799356,
      "cost_per_unit": 1858.3350475700695,
      "floor_per_unit": 78.20699408588327,
      "yoy": -4.566020009409321,
      "ratio_national": 0.9489319543082017,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 80.07273779793167,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 4520,
      "floor_total": 350912,
      "cost_total": 8389912,
      "price_per_tsubo": 79.03772795025533,
      "price_per_sqm": 239088.77439358016,
      "cost_per_unit": 1856.175221238938,
      "floor_per_unit": 77.6353982300885,
      "yoy": 0.6191773084706309,
      "ratio_national": 0.932233394683112,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 78.87996801422688,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 5268,
      "floor_total": 407637,
      "cost_total": 10939618,
      "price_per_tsubo": 88.71638194820392,
      "price_per_sqm": 268366.659552494,
      "cost_per_unit": 2076.6169324221714,
      "floor_per_unit": 77.37984054669704,
      "yoy": 12.245612632033298,
      "ratio_national": 1.017856361386902,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 88.71638194820392,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3934,
      "floor_total": 292904,
      "cost_total": 7205620,
      "price_per_tsubo": 81.3244835843826,
      "price_per_sqm": 246006.19998361237,
      "cost_per_unit": 1831.6268429079817,
      "floor_per_unit": 74.45449923741738,
      "yoy": -8.332055705491904,
      "ratio_national": 0.9213024575018435,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 74.81553227634095,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5508,
      "floor_total": 419471,
      "cost_total": 10343550,
      "price_per_tsubo": 81.51601458622885,
      "price_per_sqm": 246585.58040961114,
      "cost_per_unit": 1877.9139433551197,
      "floor_per_unit": 76.15668119099492,
      "yoy": 0.23551456265629156,
      "ratio_national": 0.8925505631079876,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 70.69905861771801,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 3968,
      "floor_total": 265386,
      "cost_total": 7751510,
      "price_per_tsubo": 96.55695569057902,
      "price_per_sqm": 292084.3601395703,
      "cost_per_unit": 1953.5055443548388,
      "floor_per_unit": 66.88155241935483,
      "yoy": 18.451516773357014,
      "ratio_national": 0.950330531505375,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 84.03564463932028,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4752,
      "floor_total": 376112,
      "cost_total": 13701041,
      "price_per_tsubo": 120.42360873194686,
      "price_per_sqm": 364280.8790998426,
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      "floor_per_unit": 79.14814814814815,
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      "is_spliced": true,
      "price_per_tsubo_real": 100.94183464538715,
      "deflator": 119.3,
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    {
      "fiscal_year": 2025,
      "units": 3859,
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    }
  ]
}