39 skyscrapers in a circle of one square kilometre
968th tallest in the world (shared with 14 other buildings) 927th tallest on the Northern Hemisphere (shared with 14 other buildings) 133rd tallest in North America (shared with 1 other building) 114th tallest in the United States 22nd tallest in Chicago Tallest built in 1981 Tallest built in North America in 1981 Tallest built in the United States in 1981 Tallest built in Chicago in 1981570th most northern skyscraper 6633rd most southern skyscraper 343rd most western skyscraper 6860th most eastern skyscraper13th tallest within 1 kilometre 22nd tallest within 10 kilometres 22nd tallest within 100 kilometres 43rd tallest within 1000 kilometres (1 equally tall building in that area) 114th tallest within 2000 kilometres (1 equally tall building in that area) 141st tallest within 5000 kilometres (2 equally tall buildings in that area)17th most floors within 1 kilometre (2 buildings with same floor number) 35th most floors within 10 kilometres (5 buildings with same floor number) 35th most floors within 100 kilometres (5 buildings with same floor number) 68th most floors within 1000 kilometres (10 buildings with same floor number) 160th most floors within 2000 kilometres (26 buildings with same floor number) 199th most floors within 5000 kilometres (31 buildings with same floor number)85 metres from the closest taller building
