{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 70,
    "price_per_tsubo": 153.06965369649805,
    "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": 2012,
      "units": 52,
      "floor_total": 3299,
      "cost_total": 68300,
      "price_per_tsubo": 68.44057502273417,
      "price_per_sqm": 207032.43407093058,
      "cost_per_unit": 1313.4615384615386,
      "floor_per_unit": 63.44230769230769,
      "yoy": null,
      "ratio_national": 1.0802397584737262,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 77.95054102817105,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 62,
      "floor_total": 2786,
      "cost_total": 48100,
      "price_per_tsubo": 57.07412024407753,
      "price_per_sqm": 172648.9590811199,
      "cost_per_unit": 775.8064516129032,
      "floor_per_unit": 44.935483870967744,
      "yoy": -16.607772180290713,
      "ratio_national": 0.9284626850098534,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 63.135088765572476,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "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": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 28,
      "floor_total": 1732,
      "cost_total": 62450,
      "price_per_tsubo": 119.19548816397229,
      "price_per_sqm": 360565.8198614319,
      "cost_per_unit": 2230.3571428571427,
      "floor_per_unit": 61.857142857142854,
      "yoy": null,
      "ratio_national": 1.4676326087991096,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 125.20534471005492,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 32,
      "floor_total": 1747,
      "cost_total": 45800,
      "price_per_tsubo": 86.66581682884946,
      "price_per_sqm": 262163.70921579853,
      "cost_per_unit": 1431.25,
      "floor_per_unit": 54.59375,
      "yoy": -27.291025722696073,
      "ratio_national": 1.0662988792754204,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 88.34435966243575,
      "deflator": 98.1,
      "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": 19,
      "floor_total": 975,
      "cost_total": 27500,
      "price_per_tsubo": 93.24023076923076,
      "price_per_sqm": 282051.28205128206,
      "cost_per_unit": 1447.3684210526317,
      "floor_per_unit": 51.31578947368421,
      "yoy": null,
      "ratio_national": 1.0407744071375564,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 93.24023076923076,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "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": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 18,
      "floor_total": 1221,
      "cost_total": 27856,
      "price_per_tsubo": 75.41858004914005,
      "price_per_sqm": 228140.86814086814,
      "cost_per_unit": 1547.5555555555557,
      "floor_per_unit": 67.83333333333333,
      "yoy": null,
      "ratio_national": 0.7995763895167174,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 65.41073724990464,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 38,
      "floor_total": 1654,
      "cost_total": 59000,
      "price_per_tsubo": 117.92116686819831,
      "price_per_sqm": 356711.00362756953,
      "cost_per_unit": 1552.6315789473683,
      "floor_per_unit": 43.526315789473685,
      "yoy": 56.35559140912638,
      "ratio_national": 1.1228286147465543,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 102.62938804891061,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 19,
      "floor_total": 842,
      "cost_total": 38500,
      "price_per_tsubo": 151.1554809976247,
      "price_per_sqm": 457244.65558194777,
      "cost_per_unit": 2026.3157894736842,
      "floor_per_unit": 44.31578947368421,
      "yoy": 28.183501751278218,
      "ratio_national": 1.1917440603227094,
      "rank_in_national": 5,
      "is_spliced": true,
      "price_per_tsubo_real": 126.70199580689412,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 30,
      "floor_total": 360,
      "cost_total": 12000,
      "price_per_tsubo": 110.19300000000001,
      "price_per_sqm": 333333.3333333333,
      "cost_per_unit": 400,
      "floor_per_unit": 12,
      "yoy": -27.09956709956709,
      "ratio_national": 0.8802342198355739,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 89.88009787928223,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}