{
  "area": {
    "code": "15000",
    "name": "新潟県",
    "slug": "niigata"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 62,
    "price_per_tsubo": 115.17412082443256,
    "prev_price_per_tsubo": 116.585810988347,
    "change_vs_prev": -1.2108593249443942,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 533,
      "floor_total": 25555,
      "cost_total": 417815,
      "price_per_tsubo": 54.04846992173743,
      "price_per_sqm": 163496.38035609468,
      "cost_per_unit": 783.8930581613508,
      "floor_per_unit": 47.94559099437148,
      "yoy": null,
      "ratio_national": 0.8620325334459251,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 61.558621778744225,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 618,
      "floor_total": 32798,
      "cost_total": 543805,
      "price_per_tsubo": 54.81142542075737,
      "price_per_sqm": 165804.31733642294,
      "cost_per_unit": 879.9433656957929,
      "floor_per_unit": 53.07119741100323,
      "yoy": 1.4116135019635268,
      "ratio_national": 0.8457650958648172,
      "rank_in_national": 41,
      "is_spliced": false,
      "price_per_tsubo_real": 60.69925295764935,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 635,
      "floor_total": 28394,
      "cost_total": 467207,
      "price_per_tsubo": 54.39488020462069,
      "price_per_sqm": 164544.26991617947,
      "cost_per_unit": 735.7590551181103,
      "floor_per_unit": 44.71496062992126,
      "yoy": -0.7599605610310034,
      "ratio_national": 0.790106724058189,
      "rank_in_national": 46,
      "is_spliced": false,
      "price_per_tsubo_real": 58.11418825279989,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 744,
      "floor_total": 35472,
      "cost_total": 653652,
      "price_per_tsubo": 60.916673575778084,
      "price_per_sqm": 184272.6657645467,
      "cost_per_unit": 878.5645161290323,
      "floor_per_unit": 47.67741935483871,
      "yoy": 11.989719154861533,
      "ratio_national": 0.861248768386392,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 65.22127791839195,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 914,
      "floor_total": 42280,
      "cost_total": 782559,
      "price_per_tsubo": 61.1867482641911,
      "price_per_sqm": 185089.64049195836,
      "cost_per_unit": 856.191466083151,
      "floor_per_unit": 46.2582056892779,
      "yoy": 0.4433510114058681,
      "ratio_national": 0.8430966525332205,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 65.51043711369496,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 779,
      "floor_total": 39683,
      "cost_total": 735769,
      "price_per_tsubo": 61.29319362220598,
      "price_per_sqm": 185411.6372250082,
      "cost_per_unit": 944.5044929396662,
      "floor_per_unit": 50.94094993581515,
      "yoy": 0.17396799312698885,
      "ratio_national": 0.8181351263402347,
      "rank_in_national": 40,
      "is_spliced": false,
      "price_per_tsubo_real": 64.38360674601469,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 792,
      "floor_total": 40803,
      "cost_total": 817152,
      "price_per_tsubo": 66.20427199176531,
      "price_per_sqm": 200267.6273803397,
      "cost_per_unit": 1031.7575757575758,
      "floor_per_unit": 51.51893939393939,
      "yoy": 8.012436747593599,
      "ratio_national": 0.871121490051802,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 67.4865157918097,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 493,
      "floor_total": 22329,
      "cost_total": 468940,
      "price_per_tsubo": 69.42617952438532,
      "price_per_sqm": 210013.88329078775,
      "cost_per_unit": 951.1967545638945,
      "floor_per_unit": 45.2920892494929,
      "yoy": 4.866615757093085,
      "ratio_national": 0.8847723078295684,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 69.28760431575381,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 595,
      "floor_total": 24863,
      "cost_total": 532734,
      "price_per_tsubo": 70.83243091581868,
      "price_per_sqm": 214267.787475365,
      "cost_per_unit": 895.3512605042017,
      "floor_per_unit": 41.78655462184874,
      "yoy": 2.025534749379987,
      "ratio_national": 0.8714778244759496,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 70.83243091581868,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 562,
      "floor_total": 27258,
      "cost_total": 554666,
      "price_per_tsubo": 67.26866667180276,
      "price_per_sqm": 203487.416538264,
      "cost_per_unit": 986.9501779359431,
      "floor_per_unit": 48.50177935943061,
      "yoy": -5.03126067810844,
      "ratio_national": 0.8102002020050412,
      "rank_in_national": 44,
      "is_spliced": false,
      "price_per_tsubo_real": 62.1132656249333,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 471,
      "floor_total": 27150,
      "cost_total": 652163,
      "price_per_tsubo": 79.40751100441989,
      "price_per_sqm": 240207.3664825046,
      "cost_per_unit": 1384.6348195329088,
      "floor_per_unit": 57.64331210191083,
      "yoy": 18.045317282474716,
      "ratio_national": 0.8998996714775848,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 68.21951117218204,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 225,
      "floor_total": 12299,
      "cost_total": 320942,
      "price_per_tsubo": 86.26448119196682,
      "price_per_sqm": 260949.67070493536,
      "cost_per_unit": 1426.408888888889,
      "floor_per_unit": 54.66222222222222,
      "yoy": 8.635165742904682,
      "ratio_national": 0.8760599930743399,
      "rank_in_national": 38,
      "is_spliced": false,
      "price_per_tsubo_real": 73.73032580509985,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 380,
      "floor_total": 17804,
      "cost_total": 555001,
      "price_per_tsubo": 103.0508175572905,
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      "deflator": 121.4,
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    {
      "fiscal_year": 2025,
      "units": 195,
      "floor_total": 11750,
      "cost_total": 392960,
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    }
  ]
}