{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "detached",
    "label": "持家・一戸建"
  },
  "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": 64,
      "floor_total": 9946,
      "cost_total": 226659,
      "price_per_tsubo": 75.33551735471546,
      "price_per_sqm": 227889.60386084858,
      "cost_per_unit": 3541.546875,
      "floor_per_unit": 155.40625,
      "yoy": null,
      "ratio_national": 1.0215214877779142,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 86.29497978776112,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 47,
      "floor_total": 7694,
      "cost_total": 202592,
      "price_per_tsubo": 87.0453090304133,
      "price_per_sqm": 263311.6714322849,
      "cost_per_unit": 4310.468085106383,
      "floor_per_unit": 163.70212765957447,
      "yoy": 15.543520621969819,
      "ratio_national": 1.1539619344655616,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 97.04047829477514,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 49,
      "floor_total": 9924,
      "cost_total": 289691,
      "price_per_tsubo": 96.49915466444982,
      "price_per_sqm": 291909.51229343005,
      "cost_per_unit": 5912.061224489796,
      "floor_per_unit": 202.53061224489795,
      "yoy": 10.860832983812351,
      "ratio_national": 1.206269653818924,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 104.2107501775916,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 38,
      "floor_total": 7864,
      "cost_total": 227012,
      "price_per_tsubo": 95.42904367751781,
      "price_per_sqm": 288672.43133265513,
      "cost_per_unit": 5974,
      "floor_per_unit": 206.94736842105263,
      "yoy": -1.1089330167223022,
      "ratio_national": 1.136221291108294,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 103.39007982396295,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 25,
      "floor_total": 4870,
      "cost_total": 134579,
      "price_per_tsubo": 91.35316476591376,
      "price_per_sqm": 276342.9158110883,
      "cost_per_unit": 5383.16,
      "floor_per_unit": 194.8,
      "yoy": -4.271109459482392,
      "ratio_national": 1.0674126971836844,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 98.86706143497159,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 38,
      "floor_total": 6941,
      "cost_total": 237569,
      "price_per_tsubo": 113.14698523411613,
      "price_per_sqm": 342269.1254862412,
      "cost_per_unit": 6251.815789473684,
      "floor_per_unit": 182.6578947368421,
      "yoy": 23.856667170806347,
      "ratio_national": 1.2856536773917764,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 119.6056926364864,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 26,
      "floor_total": 5153,
      "cost_total": 183842,
      "price_per_tsubo": 117.93965557539298,
      "price_per_sqm": 356766.9318843392,
      "cost_per_unit": 7070.846153846154,
      "floor_per_unit": 198.19230769230768,
      "yoy": 4.23579146307802,
      "ratio_national": 1.2290681884776178,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 120.34658732182957,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 17,
      "floor_total": 3183,
      "cost_total": 74567,
      "price_per_tsubo": 77.44355731385485,
      "price_per_sqm": 234266.4153314483,
      "cost_per_unit": 4386.294117647059,
      "floor_per_unit": 187.23529411764707,
      "yoy": -34.33628669167257,
      "ratio_national": 0.7985438212846682,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 77.28897935514456,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 20,
      "floor_total": 3258,
      "cost_total": 94495,
      "price_per_tsubo": 95.88110069060772,
      "price_per_sqm": 290039.90178023325,
      "cost_per_unit": 4724.75,
      "floor_per_unit": 162.9,
      "yoy": 23.80771753811772,
      "ratio_national": 1.0081496533345113,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 95.88110069060772,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 33,
      "floor_total": 5081,
      "cost_total": 151687,
      "price_per_tsubo": 98.6902908344814,
      "price_per_sqm": 298537.68943121436,
      "cost_per_unit": 4596.575757575758,
      "floor_per_unit": 153.96969696969697,
      "yoy": 2.9298684763105376,
      "ratio_national": 0.9815609994845802,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 93.81206353087586,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 22,
      "floor_total": 3206,
      "cost_total": 105612,
      "price_per_tsubo": 108.89928056144727,
      "price_per_sqm": 329419.8378041173,
      "cost_per_unit": 4800.545454545455,
      "floor_per_unit": 145.72727272727272,
      "yoy": 10.34447222785866,
      "ratio_national": 1.0046338506859742,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 97.49264150532431,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 15,
      "floor_total": 2188,
      "cost_total": 73481,
      "price_per_tsubo": 111.02045474862888,
      "price_per_sqm": 335836.3802559415,
      "cost_per_unit": 4898.733333333334,
      "floor_per_unit": 145.86666666666667,
      "yoy": 1.947831221882801,
      "ratio_national": 0.8715712443105101,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 97.47186545094722,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 17,
      "floor_total": 3226,
      "cost_total": 139863,
      "price_per_tsubo": 143.32228976131432,
      "price_per_sqm": 433549.28704277746,
      "cost_per_unit": 8227.235294117647,
      "floor_per_unit": 189.76470588235293,
      "yoy": 29.09539065195046,
      "ratio_national": 1.1315756189334625,
      "rank_in_national": 5,
      "is_spliced": true,
      "price_per_tsubo_real": 120.54019323912053,
      "deflator": 118.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 14,
      "floor_total": 3027,
      "cost_total": 144524,
      "price_per_tsubo": 157.83481795837463,
      "price_per_sqm": 477449.6200858936,
      "cost_per_unit": 10323.142857142857,
      "floor_per_unit": 216.21428571428572,
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      "rank_in_national": 3,
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      "deflator": 122.1,
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    }
  ]
}