{ "area": { "code": "13000", "name": "東京都", "slug": "tokyo" }, "structure": { "id": "steel", "name": "鉄骨造" }, "segment": { "segment": "owner", "building_type": "all", "label": "持家" }, "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": 568, "price_per_tsubo": 156.06500791161267, "prev_price_per_tsubo": 146.6603903076376, "change_vs_prev": 6.412513688425165, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { "fiscal_year": 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"cost_per_unit": 3777.975726369989, "floor_per_unit": 133.15483633688856, "yoy": 4.9104842082648315, "ratio_national": 1.1838333676548085, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 100.20782385527292, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 2538, "floor_total": 339454, "cost_total": 10008945, "price_per_tsubo": 97.47261865098069, "price_per_sqm": 294854.23650921776, "cost_per_unit": 3943.6347517730496, "floor_per_unit": 133.7486209613869, "yoy": 3.921439546533878, "ratio_national": 1.204368119046316, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 104.36040540790223, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 2437, "floor_total": 321560, "cost_total": 9623226, "price_per_tsubo": 98.93134804870009, "price_per_sqm": 299266.8864286603, "cost_per_unit": 3948.800164136233, "floor_per_unit": 131.94911776774723, "yoy": 1.4965529990967452, "ratio_national": 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