{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "detached",
    "label": "持家・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": 80,
    "price_per_tsubo": 124.06271495838668,
    "prev_price_per_tsubo": 115.59602319396177,
    "change_vs_prev": 7.324379793081988,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 373,
      "floor_total": 50445,
      "cost_total": 1098780,
      "price_per_tsubo": 72.00586651204281,
      "price_per_sqm": 217817.42491822777,
      "cost_per_unit": 2945.7908847184985,
      "floor_per_unit": 135.24128686327077,
      "yoy": null,
      "ratio_national": 0.9660293876803574,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 82.01123748524239,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 416,
      "floor_total": 55837,
      "cost_total": 1263566,
      "price_per_tsubo": 74.80852923939324,
      "price_per_sqm": 226295.46716335046,
      "cost_per_unit": 3037.418269230769,
      "floor_per_unit": 134.22355769230768,
      "yoy": 3.892269981754448,
      "ratio_national": 0.9818593796453196,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 82.84443991073448,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 330,
      "floor_total": 42716,
      "cost_total": 978641,
      "price_per_tsubo": 75.73699858109374,
      "price_per_sqm": 229104.08277928646,
      "cost_per_unit": 2965.578787878788,
      "floor_per_unit": 129.44242424242424,
      "yoy": 1.2411276510053249,
      "ratio_national": 0.9565185048049984,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 80.9155967746728,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 310,
      "floor_total": 39439,
      "cost_total": 928227,
      "price_per_tsubo": 77.80429357564847,
      "price_per_sqm": 235357.64091381629,
      "cost_per_unit": 2994.2806451612905,
      "floor_per_unit": 127.22258064516129,
      "yoy": 2.7295707953639337,
      "ratio_national": 0.9613848298248377,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 83.30224151568359,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 311,
      "floor_total": 40667,
      "cost_total": 969192,
      "price_per_tsubo": 78.78489246022573,
      "price_per_sqm": 238323.94816435932,
      "cost_per_unit": 3116.372990353698,
      "floor_per_unit": 130.7620578778135,
      "yoy": 1.2603403225091014,
      "ratio_national": 0.9540841187576868,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 84.35213325505967,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 277,
      "floor_total": 36380,
      "cost_total": 870673,
      "price_per_tsubo": 79.11660518609126,
      "price_per_sqm": 239327.37768004398,
      "cost_per_unit": 3143.2238267148014,
      "floor_per_unit": 131.33574007220216,
      "yoy": 0.4210359569037925,
      "ratio_national": 0.9354517120223313,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 83.10567771648242,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 284,
      "floor_total": 37242,
      "cost_total": 926962,
      "price_per_tsubo": 82.28187825519575,
      "price_per_sqm": 248902.31459105312,
      "cost_per_unit": 3263.950704225352,
      "floor_per_unit": 131.1338028169014,
      "yoy": 4.000769575058749,
      "ratio_national": 0.9505128064638747,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 83.87551300223828,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 277,
      "floor_total": 35742,
      "cost_total": 915687,
      "price_per_tsubo": 84.69220882239382,
      "price_per_sqm": 256193.55380224946,
      "cost_per_unit": 3305.7292418772563,
      "floor_per_unit": 129.03249097472923,
      "yoy": 2.9293577374625235,
      "ratio_national": 0.9442570896197348,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 84.52316249739901,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 238,
      "floor_total": 29100,
      "cost_total": 773287,
      "price_per_tsubo": 87.84620040309278,
      "price_per_sqm": 265734.3642611684,
      "cost_per_unit": 3249.1050420168067,
      "floor_per_unit": 122.26890756302521,
      "yoy": 3.724063434587155,
      "ratio_national": 0.9539183981408393,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 87.84620040309278,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 276,
      "floor_total": 34758,
      "cost_total": 948657,
      "price_per_tsubo": 90.22558329104092,
      "price_per_sqm": 272931.9868807181,
      "cost_per_unit": 3437.163043478261,
      "floor_per_unit": 125.93478260869566,
      "yoy": 2.708578034143838,
      "ratio_national": 0.9504311353161266,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 83.31078789569798,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 284,
      "floor_total": 34928,
      "cost_total": 987500,
      "price_per_tsubo": 93.4627698408154,
      "price_per_sqm": 282724.46174988546,
      "cost_per_unit": 3477.112676056338,
      "floor_per_unit": 122.98591549295774,
      "yoy": 3.587880988624126,
      "ratio_national": 0.9235163773740582,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 80.29447580826064,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 262,
      "floor_total": 31433,
      "cost_total": 981613,
      "price_per_tsubo": 103.23565804313938,
      "price_per_sqm": 312287.4049565743,
      "cost_per_unit": 3746.614503816794,
      "floor_per_unit": 119.97328244274809,
      "yoy": 10.45645043365293,
      "ratio_national": 0.9441800760081431,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 88.2356051650764,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 202,
      "floor_total": 23921,
      "cost_total": 810211,
      "price_per_tsubo": 111.96803736006021,
      "price_per_sqm": 338702.81342753227,
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      "is_spliced": true,
      "price_per_tsubo_real": 92.23067327846805,
      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 170,
      "floor_total": 19704,
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      "price_per_tsubo": 117.91087208587089,
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    }
  ]
}