{
  "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": "apartment",
    "label": "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": 191,
    "price_per_tsubo": 152.18818518518518,
    "prev_price_per_tsubo": 114.41611465071152,
    "change_vs_prev": 33.012893900290095,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 598,
      "floor_total": 43010,
      "cost_total": 790160,
      "price_per_tsubo": 60.73245818181818,
      "price_per_sqm": 183715.41501976285,
      "cost_per_unit": 1321.3377926421404,
      "floor_per_unit": 71.92307692307692,
      "yoy": null,
      "ratio_national": 1.0279203414472757,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 69.5675351452671,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 694,
      "floor_total": 44305,
      "cost_total": 811100,
      "price_per_tsubo": 60.519721679268706,
      "price_per_sqm": 183071.88804875297,
      "cost_per_unit": 1168.7319884726226,
      "floor_per_unit": 63.84005763688761,
      "yoy": -0.35028468946965985,
      "ratio_national": 0.9657434945979715,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 67.46903197242888,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 509,
      "floor_total": 35213,
      "cost_total": 820300,
      "price_per_tsubo": 77.0096139777923,
      "price_per_sqm": 232953.73867605714,
      "cost_per_unit": 1611.5913555992142,
      "floor_per_unit": 69.18074656188605,
      "yoy": 27.247138355846534,
      "ratio_national": 1.0979635269262131,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 83.16372999761587,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 491,
      "floor_total": 34284,
      "cost_total": 790944,
      "price_per_tsubo": 76.26574395519776,
      "price_per_sqm": 230703.53517675883,
      "cost_per_unit": 1610.8839103869655,
      "floor_per_unit": 69.82484725050917,
      "yoy": -0.9659443596341744,
      "ratio_national": 0.9955246224551706,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 82.62810829382207,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 467,
      "floor_total": 27113,
      "cost_total": 592540,
      "price_per_tsubo": 72.24625849592447,
      "price_per_sqm": 218544.60959687235,
      "cost_per_unit": 1268.8222698072805,
      "floor_per_unit": 58.057815845824415,
      "yoy": -5.2703681244288925,
      "ratio_national": 0.9183485100832164,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 78.18859144580568,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 821,
      "floor_total": 56484,
      "cost_total": 1103086,
      "price_per_tsubo": 64.55935606437221,
      "price_per_sqm": 195291.764039374,
      "cost_per_unit": 1343.5883069427528,
      "floor_per_unit": 68.79902557856273,
      "yoy": -10.639862314788084,
      "ratio_national": 0.8189339764272423,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 68.24456243591143,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 647,
      "floor_total": 42591,
      "cost_total": 766100,
      "price_per_tsubo": 59.462461999013875,
      "price_per_sqm": 179873.68223333568,
      "cost_per_unit": 1184.080370942813,
      "floor_per_unit": 65.82843894899537,
      "yoy": -7.894896070952462,
      "ratio_national": 0.7386113586796924,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 60.67598163164681,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 566,
      "floor_total": 34424,
      "cost_total": 776980,
      "price_per_tsubo": 74.614591976528,
      "price_per_sqm": 225708.8078085057,
      "cost_per_unit": 1372.756183745583,
      "floor_per_unit": 60.81978798586572,
      "yoy": 25.48184092640733,
      "ratio_national": 0.89710794036757,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 74.46566065521758,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1067,
      "floor_total": 75840,
      "cost_total": 1766760,
      "price_per_tsubo": 77.01130723101265,
      "price_per_sqm": 232958.86075949366,
      "cost_per_unit": 1655.8200562324273,
      "floor_per_unit": 71.07778819119025,
      "yoy": 3.2121267315093016,
      "ratio_national": 0.9023099468421416,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 77.01130723101265,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 739,
      "floor_total": 38499,
      "cost_total": 840160,
      "price_per_tsubo": 72.14193943738799,
      "price_per_sqm": 218229.04491025742,
      "cost_per_unit": 1136.8876860622463,
      "floor_per_unit": 52.096075778078486,
      "yoy": -6.322925773767096,
      "ratio_national": 0.8296440717171928,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 68.5759880583536,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 567,
      "floor_total": 42641,
      "cost_total": 1134834,
      "price_per_tsubo": 87.97924272085551,
      "price_per_sqm": 266136.81667878333,
      "cost_per_unit": 2001.4708994708994,
      "floor_per_unit": 75.20458553791887,
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      "ratio_national": 0.9672909117309554,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 78.76386993809804,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 402,
      "floor_total": 26803,
      "cost_total": 689000,
      "price_per_tsubo": 84.97889452673208,
      "price_per_sqm": 257060.7767787188,
      "cost_per_unit": 1713.9303482587065,
      "floor_per_unit": 66.67412935323384,
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      "ratio_national": 0.8555530362856915,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 74.60833584436529,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 220,
      "floor_total": 14947,
      "cost_total": 475100,
      "price_per_tsubo": 105.07665946343748,
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      "is_spliced": true,
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    {
      "fiscal_year": 2025,
      "units": 590,
      "floor_total": 33237,
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      "deflator": 122.1,
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    }
  ]
}