{ "area": { "code": "13000", "name": "東京都", "slug": "tokyo" }, "structure": { "id": "src", "name": "鉄骨鉄筋コンクリート造" }, "segment": { "segment": "rental", "building_type": "apartment", "label": "貸家・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": 355, "price_per_tsubo": 165.30794706867098, "prev_price_per_tsubo": 136.4366492028864, "change_vs_prev": 21.160954944629196, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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283446.4093876539, "cost_per_unit": 1610.3215962441313, "floor_per_unit": 56.81220657276995, "yoy": -13.432047781623835, "ratio_national": 1.3261369301883783, "rank_in_national": 3, "is_spliced": false, "price_per_tsubo_real": 101.18944985848948, "deflator": 92.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 277, "floor_total": 11560, "cost_total": 323708, "price_per_tsubo": 92.57012710380623, "price_per_sqm": 280024.2214532872, "cost_per_unit": 1168.620938628159, "floor_per_unit": 41.73285198555957, "yoy": -1.207349192307594, "ratio_national": 1.2791131558383357, "rank_in_national": 2, "is_spliced": false, "price_per_tsubo_real": 99.430856180243, "deflator": 93.1, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 799, "floor_total": 34761, "cost_total": 878010, "price_per_tsubo": 83.49922838525934, "price_per_sqm": 252584.7933028394, "cost_per_unit": 1098.8861076345431, "floor_per_unit": 43.50563204005006, "yoy": -9.79894810814612, "ratio_national": 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