{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "other",
    "name": "その他"
  },
  "segment": {
    "segment": "rental",
    "building_type": "apartment",
    "label": "貸家・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": null,
  "years": [
    {
      "fiscal_year": 2012,
      "units": 12,
      "floor_total": 732,
      "cost_total": 8000,
      "price_per_tsubo": 36.12885245901639,
      "price_per_sqm": 109289.6174863388,
      "cost_per_unit": 666.6666666666666,
      "floor_per_unit": 61,
      "yoy": null,
      "ratio_national": 0.637824675346566,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 41.815801457194894,
      "deflator": 86.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "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": 88.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "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": 91.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 41,
      "floor_total": 1146,
      "cost_total": 23656,
      "price_per_tsubo": 68.23889026178011,
      "price_per_sqm": 206422.33856893543,
      "cost_per_unit": 576.9756097560976,
      "floor_per_unit": 27.951219512195124,
      "yoy": null,
      "ratio_national": 1.2372268999305005,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 73.6921061142334,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "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": 92.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "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": 94.9,
      "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": 98.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "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": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "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": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 23,
      "floor_total": 1269,
      "cost_total": 22100,
      "price_per_tsubo": 57.571283687943264,
      "price_per_sqm": 174152.87628053586,
      "cost_per_unit": 960.8695652173913,
      "floor_per_unit": 55.17391304347826,
      "yoy": null,
      "ratio_national": 0.86128958469384,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 54.51826106812809,
      "deflator": 105.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 21,
      "floor_total": 871,
      "cost_total": 23000,
      "price_per_tsubo": 87.29411021814008,
      "price_per_sqm": 264064.2939150402,
      "cost_per_unit": 1095.2380952380952,
      "floor_per_unit": 41.476190476190474,
      "yoy": 51.627868315921276,
      "ratio_national": 1.3769808453425758,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 78.71425628326428,
      "deflator": 110.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "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": 113.1,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "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": 123.4,
      "deflator_provisional": true
    }
  ]
}