189th tallest in the world (shared with 5 other buildings) 185th tallest on the Northern Hemisphere (shared with 5 other buildings) 66th tallest in North America (shared with 2 other buildings) 63rd tallest in the USA (shared with 2 other buildings) 15th tallest in Chicago tallest built in 1981 tallest built in North America in 1981 tallest built in the USA in 1981217th most northern skyscraper 1388th most southern skyscraper 207th most western skyscraper 1398th most eastern skyscraper11th tallest within 1 kilometre 15th tallest within 10 kilometres 15th tallest within 100 kilometres 27th tallest within 1000 kilometres 60th tallest within 2000 kilometres (2 equally tall buildings in that area) 66th tallest within 5000 kilometres (2 equally tall buildings in that area)12th most floors within 1 kilometre (2 buildings with same floor number) 24th most floors within 10 kilometres (4 buildings with same floor number) 24th most floors within 100 kilometres (4 buildings with same floor number) 33rd most floors within 1000 kilometres (7 buildings with same floor number) 67th most floors within 2000 kilometres (12 buildings with same floor number) 74th most floors within 5000 kilometres (14 buildings with same floor number)82 metres from the closest taller building