39 skyscrapers in a circle of one square kilometre
904th tallest in the world (shared with 14 other buildings) 863rd tallest on the Northern Hemisphere (shared with 14 other buildings) 127th tallest in North America (shared with 1 other building) 109th tallest in the United States 21st 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 1981488th most northern skyscraper 6089th most southern skyscraper 330th most western skyscraper 6247th most eastern skyscraper13th tallest within 1 kilometre 21st tallest within 10 kilometres 21st tallest within 100 kilometres 41st tallest within 1000 kilometres (1 equally tall building in that area) 108th tallest within 2000 kilometres (1 equally tall building in that area) 134th tallest within 5000 kilometres (2 equally tall buildings in that area)17th most floors within 1 kilometre (2 buildings with same floor number) 34th most floors within 10 kilometres (5 buildings with same floor number) 34th most floors within 100 kilometres (5 buildings with same floor number) 62nd most floors within 1000 kilometres (10 buildings with same floor number) 147th most floors within 2000 kilometres (26 buildings with same floor number) 182nd most floors within 5000 kilometres (30 buildings with same floor number)85 metres from the closest taller building
