{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "all",
    "label": "分譲住宅"
  },
  "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": 1861,
    "price_per_tsubo": 117.83878466055204,
    "prev_price_per_tsubo": 131.60076941391,
    "change_vs_prev": -10.457374082725806,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 6050,
      "floor_total": 517954,
      "cost_total": 9283591,
      "price_per_tsubo": 59.25159819576642,
      "price_per_sqm": 179235.82016935866,
      "cost_per_unit": 1534.4778512396695,
      "floor_per_unit": 85.61223140495868,
      "yoy": null,
      "ratio_national": 0.9981762896064873,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 67.87124650145066,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 5591,
      "floor_total": 474882,
      "cost_total": 8868120,
      "price_per_tsubo": 61.733530466094734,
      "price_per_sqm": 186743.6542130466,
      "cost_per_unit": 1586.1420139509926,
      "floor_per_unit": 84.93686281523878,
      "yoy": 4.1888022364022115,
      "ratio_national": 0.9767167748334675,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 68.82221902574663,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 5174,
      "floor_total": 438950,
      "cost_total": 9292331,
      "price_per_tsubo": 69.98176306296844,
      "price_per_sqm": 211694.52101606104,
      "cost_per_unit": 1795.9665635871665,
      "floor_per_unit": 84.83764978739853,
      "yoy": 13.361025255802916,
      "ratio_national": 0.9810748871021377,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 75.57425816735254,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 4422,
      "floor_total": 360313,
      "cost_total": 7459047,
      "price_per_tsubo": 68.435063353612,
      "price_per_sqm": 207015.7612964284,
      "cost_per_unit": 1686.803934871099,
      "floor_per_unit": 81.48190863862506,
      "yoy": -2.210146817771297,
      "ratio_national": 0.861583218245256,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 74.144163980078,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 4925,
      "floor_total": 412396,
      "cost_total": 9520602,
      "price_per_tsubo": 76.31769194070748,
      "price_per_sqm": 230860.67760114066,
      "cost_per_unit": 1933.117157360406,
      "floor_per_unit": 83.73522842639593,
      "yoy": 11.518406209935117,
      "ratio_national": 0.9240475074132394,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 82.59490469773536,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 5686,
      "floor_total": 494313,
      "cost_total": 12311840,
      "price_per_tsubo": 82.33721863191946,
      "price_per_sqm": 249069.71898372084,
      "cost_per_unit": 2165.290186422793,
      "floor_per_unit": 86.93510376362997,
      "yoy": 7.887459038840761,
      "ratio_national": 0.9907574927875648,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 87.0372289978007,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3790,
      "floor_total": 300735,
      "cost_total": 7162368,
      "price_per_tsubo": 78.73138979739637,
      "price_per_sqm": 238162.10284802233,
      "cost_per_unit": 1889.8068601583113,
      "floor_per_unit": 79.34960422163589,
      "yoy": -4.379342531161501,
      "ratio_national": 0.948096912466579,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 80.3381528544861,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 4227,
      "floor_total": 327005,
      "cost_total": 7871107,
      "price_per_tsubo": 79.57134236335835,
      "price_per_sqm": 240702.9556122995,
      "cost_per_unit": 1862.1024367163473,
      "floor_per_unit": 77.36101253844335,
      "yoy": 1.0668585530161145,
      "ratio_national": 0.9339975336332211,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 79.41251732870094,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 4515,
      "floor_total": 344617,
      "cost_total": 9163339,
      "price_per_tsubo": 87.90069681069129,
      "price_per_sqm": 265899.21565099806,
      "cost_per_unit": 2029.5324473975636,
      "floor_per_unit": 76.32713178294574,
      "yoy": 10.46778174144325,
      "ratio_national": 1.0082714684974257,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 87.90069681069129,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3756,
      "floor_total": 287115,
      "cost_total": 7090820,
      "price_per_tsubo": 81.64241453006635,
      "price_per_sqm": 246967.93967573968,
      "cost_per_unit": 1887.8647497337593,
      "floor_per_unit": 76.44169329073482,
      "yoy": -7.119718623053906,
      "ratio_national": 0.9224544781662853,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 77.60685791831402,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5478,
      "floor_total": 418709,
      "cost_total": 10331384,
      "price_per_tsubo": 81.56831095906703,
      "price_per_sqm": 246743.77670410715,
      "cost_per_unit": 1885.9773640014603,
      "floor_per_unit": 76.43464768163564,
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      "ratio_national": 0.8904078264273637,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 73.02445027669386,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 3841,
      "floor_total": 261133,
      "cost_total": 7644118,
      "price_per_tsubo": 96.77003229473104,
      "price_per_sqm": 292728.9159164104,
      "cost_per_unit": 1990.1374642020307,
      "floor_per_unit": 67.98568081228846,
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      "ratio_national": 0.9500237922182079,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 84.9605200129333,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4322,
      "floor_total": 349523,
      "cost_total": 12902910,
      "price_per_tsubo": 122.03577689851599,
      "price_per_sqm": 369157.68061043194,
      "cost_per_unit": 2985.4025913928735,
      "floor_per_unit": 80.87066173068024,
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      "price_per_tsubo_real": 102.63732287511857,
      "deflator": 118.9,
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    {
      "fiscal_year": 2025,
      "units": 3592,
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    }
  ]
}