{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "detached",
    "label": "分譲住宅・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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 11,
    "price_per_tsubo": 91.27785625899281,
    "prev_price_per_tsubo": 94.47889539666993,
    "change_vs_prev": -3.3880996642028265,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 14,
      "floor_total": 1774,
      "cost_total": 34970,
      "price_per_tsubo": 65.16543196166855,
      "price_per_sqm": 197125.14092446447,
      "cost_per_unit": 2497.8571428571427,
      "floor_per_unit": 126.71428571428571,
      "yoy": null,
      "ratio_national": 0.9518884502968833,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 74.22030975133092,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 13,
      "floor_total": 1510,
      "cost_total": 29038,
      "price_per_tsubo": 63.57187418543046,
      "price_per_sqm": 192304.6357615894,
      "cost_per_unit": 2233.6923076923076,
      "floor_per_unit": 116.15384615384616,
      "yoy": -2.4454035341551106,
      "ratio_national": 0.9050599997591955,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 70.40074660623529,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 17,
      "floor_total": 1879,
      "cost_total": 41430,
      "price_per_tsubo": 72.88923879723257,
      "price_per_sqm": 220489.62213943587,
      "cost_per_unit": 2437.0588235294117,
      "floor_per_unit": 110.52941176470588,
      "yoy": 14.656425866295253,
      "ratio_national": 1.0056703047267619,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 77.87311837311172,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 26,
      "floor_total": 2819,
      "cost_total": 54345,
      "price_per_tsubo": 63.72939253281305,
      "price_per_sqm": 192781.1280595956,
      "cost_per_unit": 2090.1923076923076,
      "floor_per_unit": 108.42307692307692,
      "yoy": -12.566801925179782,
      "ratio_national": 0.8575796037498898,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 68.232754317787,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 14,
      "floor_total": 1511,
      "cost_total": 30568,
      "price_per_tsubo": 66.87715997352747,
      "price_per_sqm": 202303.11052283255,
      "cost_per_unit": 2183.4285714285716,
      "floor_per_unit": 107.92857142857143,
      "yoy": 4.939271057846173,
      "ratio_national": 0.8930040912563273,
      "rank_in_national": 40,
      "is_spliced": false,
      "price_per_tsubo_real": 71.60295500377673,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 21,
      "floor_total": 2231,
      "cost_total": 42826,
      "price_per_tsubo": 63.45753587628866,
      "price_per_sqm": 191958.76288659795,
      "cost_per_unit": 2039.3333333333333,
      "floor_per_unit": 106.23809523809524,
      "yoy": -5.113291441491274,
      "ratio_national": 0.8348113104465648,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 66.65707550030321,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 11,
      "floor_total": 1205,
      "cost_total": 26690,
      "price_per_tsubo": 73.22119095435684,
      "price_per_sqm": 221493.77593360996,
      "cost_per_unit": 2426.3636363636365,
      "floor_per_unit": 109.54545454545455,
      "yoy": 15.38612387518885,
      "ratio_national": 0.9215192784054684,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 74.63933838364612,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 18,
      "floor_total": 1991,
      "cost_total": 51141,
      "price_per_tsubo": 84.91281084379709,
      "price_per_sqm": 256860.87393269714,
      "cost_per_unit": 2841.1666666666665,
      "floor_per_unit": 110.61111111111111,
      "yoy": 15.967535814499833,
      "ratio_national": 1.0287305967755704,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 84.74332419540627,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 27,
      "floor_total": 2860,
      "cost_total": 69854,
      "price_per_tsubo": 80.74218694405594,
      "price_per_sqm": 244244.75524475524,
      "cost_per_unit": 2587.185185185185,
      "floor_per_unit": 105.92592592592592,
      "yoy": -4.911654505717977,
      "ratio_national": 0.9435477400291858,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 80.74218694405594,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 27,
      "floor_total": 2842,
      "cost_total": 76690,
      "price_per_tsubo": 89.20514957776214,
      "price_per_sqm": 269845.1794510908,
      "cost_per_unit": 2840.3703703703704,
      "floor_per_unit": 105.25925925925925,
      "yoy": 10.481463227606103,
      "ratio_national": 1.010640361820534,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 82.36855916690871,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 47,
      "floor_total": 4793,
      "cost_total": 133064,
      "price_per_tsubo": 91.7758482286668,
      "price_per_sqm": 277621.5313999583,
      "cost_per_unit": 2831.148936170213,
      "floor_per_unit": 101.97872340425532,
      "yoy": 2.881782792891041,
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      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 78.84523043699897,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 37,
      "floor_total": 3952,
      "cost_total": 111834,
      "price_per_tsubo": 93.54749971153846,
      "price_per_sqm": 282980.76923076925,
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      "floor_per_unit": 106.8108108108108,
      "yoy": 1.930411450360503,
      "ratio_national": 0.9514896614953597,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 79.95512795857988,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 29,
      "floor_total": 2908,
      "cost_total": 86567,
      "price_per_tsubo": 98.4086392469051,
      "price_per_sqm": 297685.6946354883,
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      "deflator": 121.4,
      "deflator_provisional": true
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    {
      "fiscal_year": 2025,
      "units": 37,
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  ]
}