{
  "area": {
    "code": "00000",
    "name": "全国",
    "slug": "japan"
  },
  "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": 37549,
    "price_per_tsubo": 121.77079555550051,
    "prev_price_per_tsubo": 115.68648879405131,
    "change_vs_prev": 5.259306272386468,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 133457,
      "floor_total": 10601479,
      "cost_total": 219973187,
      "price_per_tsubo": 68.59280312235019,
      "price_per_sqm": 207492.92339304733,
      "cost_per_unit": 1648.2701319526138,
      "floor_per_unit": 79.43741429823838,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 78.1239215516517,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 152315,
      "floor_total": 11748355,
      "cost_total": 248124044,
      "price_per_tsubo": 69.81794331332003,
      "price_per_sqm": 211198.96700431677,
      "cost_per_unit": 1629.0190985786035,
      "floor_per_unit": 77.13196336539409,
      "yoy": 1.7861060274567464,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 77.31776668141754,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 143027,
      "floor_total": 10391384,
      "cost_total": 228605938,
      "price_per_tsubo": 72.72594524281078,
      "price_per_sqm": 219995.65986590428,
      "cost_per_unit": 1598.3411383864584,
      "floor_per_unit": 72.65330322246848,
      "yoy": 4.165121158669183,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 77.69865944744741,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 149783,
      "floor_total": 10563394,
      "cost_total": 237650385,
      "price_per_tsubo": 74.37214461840107,
      "price_per_sqm": 224975.40563193988,
      "cost_per_unit": 1586.631226507681,
      "floor_per_unit": 70.52465233037127,
      "yoy": 2.263565458096295,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 79.62756383126452,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 157235,
      "floor_total": 10762243,
      "cost_total": 247486075,
      "price_per_tsubo": 76.01918966838511,
      "price_per_sqm": 229957.70955924338,
      "cost_per_unit": 1573.9884567685313,
      "floor_per_unit": 68.44686615575412,
      "yoy": 2.2145993751221393,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 81.39099536229669,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 149645,
      "floor_total": 10205659,
      "cost_total": 241209684,
      "price_per_tsubo": 78.13200120348525,
      "price_per_sqm": 236348.9550258342,
      "cost_per_unit": 1611.8793411072872,
      "floor_per_unit": 68.19913127735641,
      "yoy": 2.7793134132536146,
      "ratio_national": null,
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      "is_spliced": false,
      "price_per_tsubo_real": 82.07142983559375,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 144461,
      "floor_total": 9928587,
      "cost_total": 239641730,
      "price_per_tsubo": 79.79033014634409,
      "price_per_sqm": 241365.39267873665,
      "cost_per_unit": 1658.8679989755021,
      "floor_per_unit": 68.72849419566526,
      "yoy": 2.1224708407761472,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 81.33570860993282,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 123233,
      "floor_total": 8828622,
      "cost_total": 221705405,
      "price_per_tsubo": 83.01539139346436,
      "price_per_sqm": 251121.18856147653,
      "cost_per_unit": 1799.074963686675,
      "floor_per_unit": 71.641703115237,
      "yoy": 4.041919918372505,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 82.84969200944546,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 108201,
      "floor_total": 7673149,
      "cost_total": 198791567,
      "price_per_tsubo": 85.6445214699897,
      "price_per_sqm": 259074.29531213327,
      "cost_per_unit": 1837.2433434071775,
      "floor_per_unit": 70.91569393998208,
      "yoy": 3.1670393072823932,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 85.6445214699897,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 115296,
      "floor_total": 8318626,
      "cost_total": 221322646,
      "price_per_tsubo": 87.95276887316969,
      "price_per_sqm": 266056.7334076565,
      "cost_per_unit": 1919.6038544268665,
      "floor_per_unit": 72.15016999722454,
      "yoy": 2.6951489290401476,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": 81.21215962434874,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 116000,
      "floor_total": 8246965,
      "cost_total": 231242584,
      "price_per_tsubo": 92.69342379425159,
      "price_per_sqm": 280397.1933917508,
      "cost_per_unit": 1993.470551724138,
      "floor_per_unit": 71.09452586206896,
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      "price_per_tsubo_real": 79.63352559643607,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 104775,
      "floor_total": 7324009,
      "cost_total": 223958542,
      "price_per_tsubo": 101.08670108927774,
      "price_per_sqm": 305786.81975950603,
      "cost_per_unit": 2137.5188928656644,
      "floor_per_unit": 69.90225721784778,
      "yoy": 9.054878923942233,
      "ratio_national": null,
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      "is_spliced": false,
      "price_per_tsubo_real": 86.3988898198955,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 95267,
      "floor_total": 6724276,
      "cost_total": 222491522,
      "price_per_tsubo": 109.38132945649167,
      "price_per_sqm": 330878.0335607878,
      "cost_per_unit": 2335.4521712660207,
      "floor_per_unit": 70.58347591505978,
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      "price_per_tsubo_real": 90.09994189167352,
      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 87492,
      "floor_total": 6172911,
      "cost_total": 219110252,
      "price_per_tsubo": 117.3405027156685,
      "price_per_sqm": 354954.4971570139,
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  ]
}