{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "all",
    "building_type": "detached",
    "label": "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": 91,
    "price_per_tsubo": 120.58534345192676,
    "prev_price_per_tsubo": 113.48823284485286,
    "change_vs_prev": 6.253609232576736,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 396,
      "floor_total": 53170,
      "cost_total": 1148053,
      "price_per_tsubo": 71.37901310645101,
      "price_per_sqm": 215921.19616324996,
      "cost_per_unit": 2899.123737373737,
      "floor_per_unit": 134.26767676767676,
      "yoy": null,
      "ratio_national": 0.9652000662431942,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 81.29728144242712,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 437,
      "floor_total": 58119,
      "cost_total": 1305824,
      "price_per_tsubo": 74.27484851700821,
      "price_per_sqm": 224681.08535934892,
      "cost_per_unit": 2988.1556064073225,
      "floor_per_unit": 132.9954233409611,
      "yoy": 4.056984377520734,
      "ratio_national": 0.9827464526621709,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 82.25343135881307,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 355,
      "floor_total": 45510,
      "cost_total": 1032611,
      "price_per_tsubo": 75.00758333750825,
      "price_per_sqm": 226897.60492199517,
      "cost_per_unit": 2908.76338028169,
      "floor_per_unit": 128.19718309859155,
      "yoy": 0.9865180947925545,
      "ratio_national": 0.9560891728937052,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 80.13630698451738,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 338,
      "floor_total": 42604,
      "cost_total": 994392,
      "price_per_tsubo": 77.15827456764623,
      "price_per_sqm": 233403.4362970613,
      "cost_per_unit": 2941.9881656804732,
      "floor_per_unit": 126.04733727810651,
      "yoy": 2.867298390964823,
      "ratio_national": 0.9628598949855954,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 82.61057234223365,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 329,
      "floor_total": 42549,
      "cost_total": 1006323,
      "price_per_tsubo": 78.18497520905309,
      "price_per_sqm": 236509.2011563139,
      "cost_per_unit": 3058.7325227963524,
      "floor_per_unit": 129.32826747720364,
      "yoy": 1.3306423026693492,
      "ratio_national": 0.955965920901657,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 83.70982356429667,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 310,
      "floor_total": 39635,
      "cost_total": 934194,
      "price_per_tsubo": 77.91722425280686,
      "price_per_sqm": 235699.25570833858,
      "cost_per_unit": 3013.5290322580645,
      "floor_per_unit": 127.85483870967742,
      "yoy": -0.34245832467211246,
      "ratio_national": 0.9312612972681117,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 81.84582379496518,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 297,
      "floor_total": 38580,
      "cost_total": 956992,
      "price_per_tsubo": 82.00141481804043,
      "price_per_sqm": 248053.91394504925,
      "cost_per_unit": 3222.1952861952864,
      "floor_per_unit": 129.8989898989899,
      "yoy": 5.241704391293744,
      "ratio_national": 0.9559483180402479,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 83.5896175515193,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 301,
      "floor_total": 38283,
      "cost_total": 979828,
      "price_per_tsubo": 84.60950302013948,
      "price_per_sqm": 255943.3691194525,
      "cost_per_unit": 3255.2425249169437,
      "floor_per_unit": 127.18604651162791,
      "yoy": 3.180540491754136,
      "ratio_national": 0.9529674262462163,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 84.44062177658631,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 267,
      "floor_total": 32102,
      "cost_total": 846917,
      "price_per_tsubo": 87.21356144258925,
      "price_per_sqm": 263820.634228397,
      "cost_per_unit": 3171.9737827715358,
      "floor_per_unit": 120.23220973782772,
      "yoy": 3.0777375229705806,
      "ratio_national": 0.9546484254938349,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 87.21356144258925,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 305,
      "floor_total": 38340,
      "cost_total": 1051847,
      "price_per_tsubo": 90.69340881924883,
      "price_per_sqm": 274347.1570161711,
      "cost_per_unit": 3448.67868852459,
      "floor_per_unit": 125.70491803278688,
      "yoy": 3.9900301273102956,
      "ratio_national": 0.9625387617315847,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 83.74275975923253,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 332,
      "floor_total": 39800,
      "cost_total": 1122941,
      "price_per_tsubo": 93.27153588919597,
      "price_per_sqm": 282145.97989949747,
      "cost_per_unit": 3382.352409638554,
      "floor_per_unit": 119.87951807228916,
      "yoy": 2.8426840533531283,
      "ratio_national": 0.9312705217679204,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 80.13018547181784,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 301,
      "floor_total": 35489,
      "cost_total": 1094747,
      "price_per_tsubo": 101.97536377835385,
      "price_per_sqm": 308475.0204288653,
      "cost_per_unit": 3637.033222591362,
      "floor_per_unit": 117.90365448504983,
      "yoy": 9.331708549860052,
      "ratio_national": 0.9478415967820225,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 87.15843057978961,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 237,
      "floor_total": 26934,
      "cost_total": 899778,
      "price_per_tsubo": 110.43577317219871,
      "price_per_sqm": 334067.72109601245,
      "cost_per_unit": 3796.53164556962,
      "floor_per_unit": 113.64556962025317,
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      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 208,
      "floor_total": 23967,
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      "price_per_tsubo": 116.45644239579423,
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      "deflator_provisional": true
    }
  ]
}