{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 223,
    "price_per_tsubo": 115.03504834554045,
    "prev_price_per_tsubo": 110.84284433395086,
    "change_vs_prev": 3.782115153017159,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1188,
      "floor_total": 92616,
      "cost_total": 1796380,
      "price_per_tsubo": 64.11910512438455,
      "price_per_sqm": 193960.00691025308,
      "cost_per_unit": 1512.1043771043771,
      "floor_per_unit": 77.95959595959596,
      "yoy": null,
      "ratio_national": 0.9347789010752946,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 73.0285935357455,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1426,
      "floor_total": 110948,
      "cost_total": 2179237,
      "price_per_tsubo": 64.93221943820528,
      "price_per_sqm": 196419.67408155173,
      "cost_per_unit": 1528.2166900420757,
      "floor_per_unit": 77.80364656381487,
      "yoy": 1.2681311010866114,
      "ratio_national": 0.9300219450293856,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 71.90721975438016,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1335,
      "floor_total": 91648,
      "cost_total": 1798833,
      "price_per_tsubo": 64.88482174264577,
      "price_per_sqm": 196276.29626396648,
      "cost_per_unit": 1347.4404494382022,
      "floor_per_unit": 68.65018726591761,
      "yoy": -0.0729956498785933,
      "ratio_national": 0.8921825838909927,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 69.32139075068993,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1441,
      "floor_total": 96716,
      "cost_total": 1978203,
      "price_per_tsubo": 67.61573778247653,
      "price_per_sqm": 204537.30509946647,
      "cost_per_unit": 1372.7987508674532,
      "floor_per_unit": 67.11727966689799,
      "yoy": 4.2088672920493675,
      "ratio_national": 0.9091540674187729,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 72.3937235358421,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1571,
      "floor_total": 101799,
      "cost_total": 2113215,
      "price_per_tsubo": 68.62390607815401,
      "price_per_sqm": 207587.0096955766,
      "cost_per_unit": 1345.1400381922342,
      "floor_per_unit": 64.79885423297263,
      "yoy": 1.4910260964996258,
      "ratio_national": 0.9027182002006178,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 73.4731328459893,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1268,
      "floor_total": 89082,
      "cost_total": 1850048,
      "price_per_tsubo": 68.6543878440089,
      "price_per_sqm": 207679.21690128196,
      "cost_per_unit": 1459.0283911671925,
      "floor_per_unit": 70.25394321766562,
      "yoy": 0.04441858179884406,
      "ratio_national": 0.8786974195785275,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 72.1159536176564,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1349,
      "floor_total": 93246,
      "cost_total": 2051140,
      "price_per_tsubo": 72.71773696029857,
      "price_per_sqm": 219970.82984792913,
      "cost_per_unit": 1520.4892512972572,
      "floor_per_unit": 69.1223128243143,
      "yoy": 5.918557056428919,
      "ratio_national": 0.9113602716886416,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 74.12613349673657,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 946,
      "floor_total": 67808,
      "cost_total": 1601877,
      "price_per_tsubo": 78.09504730754483,
      "price_per_sqm": 236237.16965549788,
      "cost_per_unit": 1693.316067653277,
      "floor_per_unit": 71.67864693446089,
      "yoy": 7.394771306183645,
      "ratio_national": 0.9407297369399996,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 77.93916896960562,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 908,
      "floor_total": 59357,
      "cost_total": 1433640,
      "price_per_tsubo": 79.84421004430817,
      "price_per_sqm": 241528.379129673,
      "cost_per_unit": 1578.8986784140968,
      "floor_per_unit": 65.37114537444934,
      "yoy": 2.239787025001716,
      "ratio_national": 0.9322745772160804,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 79.84421004430817,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 869,
      "floor_total": 65693,
      "cost_total": 1609037,
      "price_per_tsubo": 80.96963792534973,
      "price_per_sqm": 244932.79344831262,
      "cost_per_unit": 1851.596087456847,
      "floor_per_unit": 75.59608745684694,
      "yoy": 1.4095297334860257,
      "ratio_national": 0.9206036258177406,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 74.76420861066457,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 810,
      "floor_total": 67758,
      "cost_total": 1791604,
      "price_per_tsubo": 87.4091116496945,
      "price_per_sqm": 264412.1727323711,
      "cost_per_unit": 2211.856790123457,
      "floor_per_unit": 83.65185185185184,
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      "ratio_national": 0.9429915097721873,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 75.09373853066536,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 600,
      "floor_total": 51692,
      "cost_total": 1498629,
      "price_per_tsubo": 95.83983521453997,
      "price_per_sqm": 289915.0738992494,
      "cost_per_unit": 2497.715,
      "floor_per_unit": 86.15333333333334,
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      "ratio_national": 0.9480953892233179,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 81.91438907225638,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 685,
      "floor_total": 48131,
      "cost_total": 1563811,
      "price_per_tsubo": 107.40750796139703,
      "price_per_sqm": 324907.2323450583,
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      "is_spliced": true,
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      "deflator_provisional": true
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    {
      "fiscal_year": 2025,
      "units": 503,
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    }
  ]
}