{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "company",
    "building_type": "apartment",
    "label": "給与住宅・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": 22,
    "price_per_tsubo": 56.996379310344835,
    "prev_price_per_tsubo": 62.731050047770694,
    "change_vs_prev": -9.141678216862005,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2015,
      "units": 17,
      "floor_total": 628,
      "cost_total": 10100,
      "price_per_tsubo": 53.166367834394904,
      "price_per_sqm": 160828.025477707,
      "cost_per_unit": 594.1176470588235,
      "floor_per_unit": 36.94117647058823,
      "yoy": null,
      "ratio_national": 1.0227287378561427,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 56.86242549133145,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 36,
      "floor_total": 1397,
      "cost_total": 29000,
      "price_per_tsubo": 68.62413027916965,
      "price_per_sqm": 207587.68790264853,
      "cost_per_unit": 805.5555555555555,
      "floor_per_unit": 38.80555555555556,
      "yoy": 29.074324755310176,
      "ratio_national": 1.162103831580498,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 73.08214087238514,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 24,
      "floor_total": 708,
      "cost_total": 14297,
      "price_per_tsubo": 66.75547970338984,
      "price_per_sqm": 201935.02824858757,
      "cost_per_unit": 595.7083333333334,
      "floor_per_unit": 29.5,
      "yoy": -2.7230225988700396,
      "ratio_national": 1.2314274805093326,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 70.04772266882459,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 44,
      "floor_total": 1470,
      "cost_total": 31000,
      "price_per_tsubo": 69.71393877551021,
      "price_per_sqm": 210884.3537414966,
      "cost_per_unit": 704.5454545454545,
      "floor_per_unit": 33.40909090909091,
      "yoy": 4.431784604448197,
      "ratio_national": 1.1660437669765613,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 71.20933480644557,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14,
      "floor_total": 338,
      "cost_total": 6100,
      "price_per_tsubo": 59.66070710059171,
      "price_per_sqm": 180473.3727810651,
      "cost_per_unit": 435.7142857142857,
      "floor_per_unit": 24.142857142857142,
      "yoy": -14.42069097155948,
      "ratio_national": 0.978334862395039,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 59.60110599459711,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 53,
      "floor_total": 1572,
      "cost_total": 27440,
      "price_per_tsubo": 57.70412061068703,
      "price_per_sqm": 174554.70737913487,
      "cost_per_unit": 517.7358490566038,
      "floor_per_unit": 29.660377358490567,
      "yoy": -3.2795227964793505,
      "ratio_national": 0.850075969009456,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 57.70412061068703,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 64,
      "floor_total": 2603,
      "cost_total": 40740,
      "price_per_tsubo": 51.7394869765655,
      "price_per_sqm": 156511.7172493277,
      "cost_per_unit": 636.5625,
      "floor_per_unit": 40.671875,
      "yoy": -10.336581809058632,
      "ratio_national": 0.8775103036907591,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 46.90796643387625,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 48,
      "floor_total": 1787,
      "cost_total": 38200,
      "price_per_tsubo": 70.66657974258534,
      "price_per_sqm": 213766.08841634024,
      "cost_per_unit": 795.8333333333334,
      "floor_per_unit": 37.229166666666664,
      "yoy": 36.581523845786364,
      "ratio_national": 1.0685574603983312,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 60.55405290709969,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 34,
      "floor_total": 1199,
      "cost_total": 23000,
      "price_per_tsubo": 63.4138198498749,
      "price_per_sqm": 191826.52210175147,
      "cost_per_unit": 676.4705882352941,
      "floor_per_unit": 35.26470588235294,
      "yoy": -10.2633520953325,
      "ratio_national": 0.7610023569262908,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 55.23851903299207,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 56,
      "floor_total": 1673,
      "cost_total": 33900,
      "price_per_tsubo": 66.98522474596533,
      "price_per_sqm": 202630.00597728632,
      "cost_per_unit": 605.3571428571429,
      "floor_per_unit": 29.875,
      "yoy": 5.631903115985337,
      "ratio_national": 0.7622662406003469,
      "rank_in_national": 22,
      "is_spliced": true,
      "price_per_tsubo_real": 56.384869314785625,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 127,
      "floor_total": 4055,
      "cost_total": 112684,
      "price_per_tsubo": 91.86427629099876,
      "price_per_sqm": 277889.02589395805,
      "cost_per_unit": 887.2755905511812,
      "floor_per_unit": 31.929133858267715,
      "yoy": 37.141103339407636,
      "ratio_national": 1.0019311266086455,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 75.11388085936122,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}