{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "company",
    "building_type": "rowhouse",
    "label": "給与住宅・長屋建"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 11,
    "price_per_tsubo": 97.45392485549132,
    "prev_price_per_tsubo": null,
    "change_vs_prev": null,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2013,
      "units": 14,
      "floor_total": 758,
      "cost_total": 11800,
      "price_per_tsubo": 51.46216622691293,
      "price_per_sqm": 155672.82321899736,
      "cost_per_unit": 842.8571428571429,
      "floor_per_unit": 54.142857142857146,
      "yoy": null,
      "ratio_national": 0.882075082180666,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 56.927175029770936,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 16,
      "floor_total": 1058,
      "cost_total": 18650,
      "price_per_tsubo": 58.27314130434783,
      "price_per_sqm": 176275.99243856332,
      "cost_per_unit": 1165.625,
      "floor_per_unit": 66.125,
      "yoy": null,
      "ratio_national": 1.0130836401894248,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 62.32421529876774,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 25,
      "floor_total": 978,
      "cost_total": 20351,
      "price_per_tsubo": 68.78950131901841,
      "price_per_sqm": 208087.9345603272,
      "cost_per_unit": 814.04,
      "floor_per_unit": 39.12,
      "yoy": 18.046667434223163,
      "ratio_national": 1.1860398211758354,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 72.25787953678405,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 14,
      "floor_total": 644,
      "cost_total": 11236,
      "price_per_tsubo": 57.67679571428572,
      "price_per_sqm": 174472.049689441,
      "cost_per_unit": 802.5714285714286,
      "floor_per_unit": 46,
      "yoy": -16.15465353237027,
      "ratio_national": 0.921142973381325,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 58.793879423328974,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 24,
      "floor_total": 1163,
      "cost_total": 13650,
      "price_per_tsubo": 38.79968486672399,
      "price_per_sqm": 117368.87360275151,
      "cost_per_unit": 568.75,
      "floor_per_unit": 48.458333333333336,
      "yoy": null,
      "ratio_national": 0.6344642093410336,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 38.79968486672399,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 25,
      "floor_total": 1238,
      "cost_total": 27903,
      "price_per_tsubo": 74.50844779483037,
      "price_per_sqm": 225387.72213247174,
      "cost_per_unit": 1116.12,
      "floor_per_unit": 49.52,
      "yoy": 92.03364164107298,
      "ratio_national": 1.0863448529020951,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 68.54503017003714,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 20,
      "floor_total": 1206,
      "cost_total": 27000,
      "price_per_tsubo": 74.01022388059701,
      "price_per_sqm": 223880.59701492538,
      "cost_per_unit": 1350,
      "floor_per_unit": 60.3,
      "yoy": -0.6686811079534172,
      "ratio_national": 0.9949909070780947,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 64.18926615836688,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 14,
      "floor_total": 777,
      "cost_total": 16100,
      "price_per_tsubo": 68.49835135135135,
      "price_per_sqm": 207207.20720720722,
      "cost_per_unit": 1150,
      "floor_per_unit": 55.5,
      "yoy": -7.447447447447453,
      "ratio_national": 0.7757035751173297,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 59.61562345635451,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 19,
      "floor_total": 783,
      "cost_total": 22947,
      "price_per_tsubo": 96.88117896551724,
      "price_per_sqm": 293065.13409961684,
      "cost_per_unit": 1207.7368421052631,
      "floor_per_unit": 41.21052631578947,
      "yoy": 41.43578210894554,
      "ratio_national": 1.1889952844880556,
      "rank_in_national": 2,
      "is_spliced": true,
      "price_per_tsubo_real": 81.20802930889961,
      "deflator": 119.3,
      "deflator_provisional": true
    }
  ]
}