{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "src",
    "name": "鉄骨鉄筋コンクリート造"
  },
  "segment": {
    "segment": "all",
    "building_type": "all",
    "label": "新築住宅すべて"
  },
  "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": 25,
    "price_per_tsubo": 61.27805853658536,
    "prev_price_per_tsubo": 105.90507566867991,
    "change_vs_prev": -42.138695289457615,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 141,
      "floor_total": 7712,
      "cost_total": 146900,
      "price_per_tsubo": 62.969469787344394,
      "price_per_sqm": 190482.36514522822,
      "cost_per_unit": 1041.8439716312057,
      "floor_per_unit": 54.695035460992905,
      "yoy": null,
      "ratio_national": 0.9711357461865884,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 71.71921388080227,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 45,
      "floor_total": 3102,
      "cost_total": 51339,
      "price_per_tsubo": 54.71178362669246,
      "price_per_sqm": 165502.9013539652,
      "cost_per_unit": 1140.8666666666666,
      "floor_per_unit": 68.93333333333334,
      "yoy": -13.113793380409833,
      "ratio_national": 0.751849121745509,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 60.85849124214956,
      "deflator": 89.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 203,
      "floor_total": 14793,
      "cost_total": 279288,
      "price_per_tsubo": 62.412457075643886,
      "price_per_sqm": 188797.4041776516,
      "cost_per_unit": 1375.8029556650247,
      "floor_per_unit": 72.87192118226601,
      "yoy": 14.074981546012811,
      "ratio_national": 0.8099177808209179,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 67.40006163676446,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 162,
      "floor_total": 9339,
      "cost_total": 160222,
      "price_per_tsubo": 56.71488225505943,
      "price_per_sqm": 171562.26576721275,
      "cost_per_unit": 989.0246913580247,
      "floor_per_unit": 57.648148148148145,
      "yoy": -9.128906451606278,
      "ratio_national": 0.7359862116895455,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 60.91824087546664,
      "deflator": 93.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 36,
      "floor_total": 2236,
      "cost_total": 25941,
      "price_per_tsubo": 38.35219069320215,
      "price_per_sqm": 116015.20572450805,
      "cost_per_unit": 720.5833333333334,
      "floor_per_unit": 62.111111111111114,
      "yoy": -32.377201241953,
      "ratio_national": 0.5127489988526004,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 41.23891472387328,
      "deflator": 93,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 72,
      "floor_total": 2832,
      "cost_total": 101028,
      "price_per_tsubo": 117.92985597457627,
      "price_per_sqm": 356737.28813559323,
      "cost_per_unit": 1403.1666666666667,
      "floor_per_unit": 39.333333333333336,
      "yoy": 207.49183773608823,
      "ratio_national": 1.3588554765771597,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 124.13669049955396,
      "deflator": 95,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 236,
      "floor_total": 22392,
      "cost_total": 495736,
      "price_per_tsubo": 73.18681276527332,
      "price_per_sqm": 221389.78206502323,
      "cost_per_unit": 2100.576271186441,
      "floor_per_unit": 94.88135593220339,
      "yoy": null,
      "ratio_national": 0.8867653290179249,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 73.04073130266798,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 286,
      "floor_total": 14898,
      "cost_total": 401500,
      "price_per_tsubo": 89.09079641562626,
      "price_per_sqm": 269499.2616458585,
      "cost_per_unit": 1403.8461538461538,
      "floor_per_unit": 52.09090909090909,
      "yoy": 21.730668476246695,
      "ratio_national": 0.9732667284205446,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 89.09079641562626,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 64,
      "floor_total": 2108,
      "cost_total": 71555,
      "price_per_tsubo": 112.21337924573055,
      "price_per_sqm": 339444.9715370019,
      "cost_per_unit": 1118.046875,
      "floor_per_unit": 32.9375,
      "yoy": 25.95395232772737,
      "ratio_national": 1.1923256887762719,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 107.07383515813984,
      "deflator": 104.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 56,
      "floor_total": 4156,
      "cost_total": 147000,
      "price_per_tsubo": 116.92760587102984,
      "price_per_sqm": 353705.48604427336,
      "cost_per_unit": 2625,
      "floor_per_unit": 74.21428571428571,
      "yoy": null,
      "ratio_national": 1.1178106634845502,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 102.74833556329513,
      "deflator": 113.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 335,
      "floor_total": 25185,
      "cost_total": 844183,
      "price_per_tsubo": 110.8076918630137,
      "price_per_sqm": 335192.77347627556,
      "cost_per_unit": 2519.949253731343,
      "floor_per_unit": 75.17910447761194,
      "yoy": -5.2339342471155685,
      "ratio_national": 0.8263516428263427,
      "rank_in_national": 8,
      "is_spliced": true,
      "price_per_tsubo_real": 92.8815522741104,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 50,
      "floor_total": 1870,
      "cost_total": 58130,
      "price_per_tsubo": 102.762338342246,
      "price_per_sqm": 310855.614973262,
      "cost_per_unit": 1162.6,
      "floor_per_unit": 37.4,
      "yoy": -7.260645344651517,
      "ratio_national": 0.8844144859696199,
      "rank_in_national": 10,
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      "price_per_tsubo_real": 83.81919930036379,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}