{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "all",
    "building_type": "all",
    "label": "新築住宅すべて"
  },
  "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": 191,
    "price_per_tsubo": 152.18818518518518,
    "prev_price_per_tsubo": 114.3477032408388,
    "change_vs_prev": 33.092472233261105,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 611,
      "floor_total": 45639,
      "cost_total": 850877,
      "price_per_tsubo": 61.63195244922106,
      "price_per_sqm": 186436.3811652315,
      "cost_per_unit": 1392.5973813420621,
      "floor_per_unit": 74.69558101472995,
      "yoy": null,
      "ratio_national": 1.0313050346562984,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 70.5978836760837,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 710,
      "floor_total": 47275,
      "cost_total": 875870,
      "price_per_tsubo": 61.24679613537811,
      "price_per_sqm": 185271.28503437334,
      "cost_per_unit": 1233.619718309859,
      "floor_per_unit": 66.58450704225352,
      "yoy": -0.6249295998861593,
      "ratio_national": 0.9692128039781048,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 68.27959435382175,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 524,
      "floor_total": 37616,
      "cost_total": 874616,
      "price_per_tsubo": 76.86348433219906,
      "price_per_sqm": 232511.69715014886,
      "cost_per_unit": 1669.1145038167938,
      "floor_per_unit": 71.78625954198473,
      "yoy": 25.49796753825666,
      "ratio_national": 1.0914860713086048,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 83.0059226049666,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 502,
      "floor_total": 36721,
      "cost_total": 847043,
      "price_per_tsubo": 76.2546302924757,
      "price_per_sqm": 230669.9163966123,
      "cost_per_unit": 1687.3366533864541,
      "floor_per_unit": 73.14940239043824,
      "yoy": -0.7921239129518809,
      "ratio_national": 0.9933084179553123,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 82.61606748913944,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 473,
      "floor_total": 28613,
      "cost_total": 631940,
      "price_per_tsubo": 73.01090177891169,
      "price_per_sqm": 220857.65211617097,
      "cost_per_unit": 1336.0253699788584,
      "floor_per_unit": 60.49260042283298,
      "yoy": -4.253811868371327,
      "ratio_national": 0.9276879421161734,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 79.01612746635463,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 824,
      "floor_total": 57245,
      "cost_total": 1115586,
      "price_per_tsubo": 64.42297218866275,
      "price_per_sqm": 194879.2034238798,
      "cost_per_unit": 1353.866504854369,
      "floor_per_unit": 69.47208737864078,
      "yoy": -11.762530500245717,
      "ratio_national": 0.8157106200999673,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 68.1003934341044,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 653,
      "floor_total": 43839,
      "cost_total": 803810,
      "price_per_tsubo": 60.61331371381647,
      "price_per_sqm": 183355.00353566458,
      "cost_per_unit": 1230.9494640122512,
      "floor_per_unit": 67.13476263399694,
      "yoy": -5.913509335908462,
      "ratio_national": 0.7486669548131687,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 61.85032011613926,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 568,
      "floor_total": 34840,
      "cost_total": 794700,
      "price_per_tsubo": 75.40503194603905,
      "price_per_sqm": 228099.88518943742,
      "cost_per_unit": 1399.119718309859,
      "floor_per_unit": 61.33802816901409,
      "yoy": 24.40341457334132,
      "ratio_national": 0.9014814107116401,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 75.25452290023857,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1068,
      "floor_total": 76045,
      "cost_total": 1770760,
      "price_per_tsubo": 76.97758827536327,
      "price_per_sqm": 232856.86106910382,
      "cost_per_unit": 1658.0149812734082,
      "floor_per_unit": 71.20318352059925,
      "yoy": 2.085479295930237,
      "ratio_national": 0.8982719076908456,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 76.97758827536327,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 741,
      "floor_total": 38706,
      "cost_total": 845832,
      "price_per_tsubo": 72.24055617423656,
      "price_per_sqm": 218527.3600992094,
      "cost_per_unit": 1141.4736842105262,
      "floor_per_unit": 52.23481781376518,
      "yoy": -6.153780869545389,
      "ratio_national": 0.8264568775293989,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 68.66973020364692,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 568,
      "floor_total": 42941,
      "cost_total": 1144834,
      "price_per_tsubo": 88.13443536154259,
      "price_per_sqm": 266606.27372441255,
      "cost_per_unit": 2015.5528169014085,
      "floor_per_unit": 75.60035211267606,
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      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 78.90280694856095,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 405,
      "floor_total": 27364,
      "cost_total": 702500,
      "price_per_tsubo": 84.86761712468937,
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      "is_spliced": false,
      "price_per_tsubo_real": 74.51063838866494,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 225,
      "floor_total": 15615,
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      "price_per_tsubo": 102.62450864553314,
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    {
      "fiscal_year": 2025,
      "units": 592,
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  ]
}