{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "company",
    "building_type": "detached",
    "label": "給与住宅・一戸建"
  },
  "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": null,
  "years": [
    {
      "fiscal_year": 2015,
      "units": 11,
      "floor_total": 1728,
      "cost_total": 29642,
      "price_per_tsubo": 56.70730739583334,
      "price_per_sqm": 171539.35185185185,
      "cost_per_unit": 2694.7272727272725,
      "floor_per_unit": 157.0909090909091,
      "yoy": null,
      "ratio_national": 0.9455768997667938,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 60.64952662655973,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 10,
      "floor_total": 2087,
      "cost_total": 40959,
      "price_per_tsubo": 64.87870273598466,
      "price_per_sqm": 196257.78629611884,
      "cost_per_unit": 4095.9,
      "floor_per_unit": 208.7,
      "yoy": null,
      "ratio_national": 1.1171312474319377,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 66.27038073134285,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 16,
      "floor_total": 2054,
      "cost_total": 38570,
      "price_per_tsubo": 62.076105306718596,
      "price_per_sqm": 187779.94157740992,
      "cost_per_unit": 2410.625,
      "floor_per_unit": 128.375,
      "yoy": -4.319749488011293,
      "ratio_national": 0.9879651065212661,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 62.0140912155031,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 13,
      "floor_total": 1766,
      "cost_total": 28716,
      "price_per_tsubo": 53.75371780294451,
      "price_per_sqm": 162604.7565118913,
      "cost_per_unit": 2208.923076923077,
      "floor_per_unit": 135.84615384615384,
      "yoy": -13.406748800771407,
      "ratio_national": 0.8910578115859763,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 53.753717802944514,
      "deflator": 100,
      "deflator_provisional": false
    }
  ]
}