{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・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": 67,
      "floor_total": 6589,
      "cost_total": 146835,
      "price_per_tsubo": 73.66909616785553,
      "price_per_sqm": 222848.6872059493,
      "cost_per_unit": 2191.5671641791046,
      "floor_per_unit": 98.34328358208955,
      "yoy": null,
      "ratio_national": 1.1425690299853142,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 83.9055765009744,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 61,
      "floor_total": 6318,
      "cost_total": 140218,
      "price_per_tsubo": 73.36677148148148,
      "price_per_sqm": 221934.15637860083,
      "cost_per_unit": 2298.655737704918,
      "floor_per_unit": 103.57377049180327,
      "yoy": -0.410381967609863,
      "ratio_national": 1.1211091558043524,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 81.2478089495919,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 76,
      "floor_total": 6858,
      "cost_total": 156243,
      "price_per_tsubo": 75.31445712598425,
      "price_per_sqm": 227825.89676290462,
      "cost_per_unit": 2055.8289473684213,
      "floor_per_unit": 90.23684210526316,
      "yoy": 2.6547244824510097,
      "ratio_national": 1.0456779256767457,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 80.46416359613701,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 74,
      "floor_total": 6367,
      "cost_total": 149080,
      "price_per_tsubo": 77.40335687136799,
      "price_per_sqm": 234144.80917229466,
      "cost_per_unit": 2014.5945945945946,
      "floor_per_unit": 86.04054054054055,
      "yoy": 2.7735707393993225,
      "ratio_national": 1.1037392629215115,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 82.87297309568307,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 60,
      "floor_total": 5527,
      "cost_total": 128238,
      "price_per_tsubo": 76.70126615161932,
      "price_per_sqm": 232020.98787769134,
      "cost_per_unit": 2137.3,
      "floor_per_unit": 92.11666666666666,
      "yoy": -0.9070546138140068,
      "ratio_national": 1.0545217369386224,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 82.12126996961383,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 44,
      "floor_total": 3527,
      "cost_total": 95946,
      "price_per_tsubo": 89.92836045931386,
      "price_per_sqm": 272032.889140913,
      "cost_per_unit": 2180.590909090909,
      "floor_per_unit": 80.1590909090909,
      "yoy": 17.244949101032915,
      "ratio_national": 1.168917341089864,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 94.46256350768263,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 73,
      "floor_total": 6099,
      "cost_total": 126443,
      "price_per_tsubo": 68.53484259222823,
      "price_per_sqm": 207317.59304804067,
      "cost_per_unit": 1732.0958904109589,
      "floor_per_unit": 83.54794520547945,
      "yoy": -23.789511737806745,
      "ratio_national": 0.9095107381744312,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 69.86222486465671,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 51,
      "floor_total": 4852,
      "cost_total": 109768,
      "price_per_tsubo": 74.78770748557295,
      "price_per_sqm": 226232.48145094805,
      "cost_per_unit": 2152.3137254901962,
      "floor_per_unit": 95.13725490196079,
      "yoy": 9.123629174357784,
      "ratio_national": 0.9639376950721861,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 74.6384306243243,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 44,
      "floor_total": 4871,
      "cost_total": 114461,
      "price_per_tsubo": 77.68097499281461,
      "price_per_sqm": 234984.60275097517,
      "cost_per_unit": 2601.3863636363635,
      "floor_per_unit": 110.70454545454545,
      "yoy": 3.8686404551173004,
      "ratio_national": 0.9557814203877643,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 77.68097499281461,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 44,
      "floor_total": 4456,
      "cost_total": 101076,
      "price_per_tsubo": 74.98564408438061,
      "price_per_sqm": 226831.23877917413,
      "cost_per_unit": 2297.181818181818,
      "floor_per_unit": 101.27272727272727,
      "yoy": -3.469743922090729,
      "ratio_national": 0.8597218738836547,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 69.23882186923419,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 49,
      "floor_total": 4243,
      "cost_total": 94738,
      "price_per_tsubo": 73.81190973839264,
      "price_per_sqm": 223280.69761960878,
      "cost_per_unit": 1933.4285714285713,
      "floor_per_unit": 86.59183673469387,
      "yoy": -1.565278741444398,
      "ratio_national": 0.8133347128746503,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 63.412293589684396,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 58,
      "floor_total": 4970,
      "cost_total": 133864,
      "price_per_tsubo": 89.03949146076458,
      "price_per_sqm": 269344.0643863179,
      "cost_per_unit": 2308,
      "floor_per_unit": 85.6896551724138,
      "yoy": 20.630250289339735,
      "ratio_national": 0.9301830369012605,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 76.10212945364493,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 77,
      "floor_total": 6676,
      "cost_total": 194109,
      "price_per_tsubo": 96.11797350359497,
      "price_per_sqm": 290756.4409826243,
      "cost_per_unit": 2520.896103896104,
      "floor_per_unit": 86.7012987012987,
      "yoy": 7.9498230804131875,
      "ratio_national": 0.8847586007559117,
      "rank_in_national": 9,
      "is_spliced": true,
      "price_per_tsubo_real": 79.17460749884265,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 54,
      "floor_total": 4943,
      "cost_total": 154135,
      "price_per_tsubo": 103.08273146874367,
      "price_per_sqm": 311824.8027513656,
      "cost_per_unit": 2854.3518518518517,
      "floor_per_unit": 91.53703703703704,
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      "price_per_tsubo_real": 82.93059651548164,
      "deflator": 124.3,
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    }
  ]
}