History of the world's tallest buildings
The tallest building in the world, as of 2022, is Burj Khalifa. The title of "world's tallest building" has been borne by various buildings, such as the Rouen Cathedral and the Empire State Building.
Burj Khalifa
The Burj Khalifa (, Arabic for "Khalifa Tower"; pronounced ), known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. With a total height of and a roof height (excluding antenna) of , the Burj Khalifa has been the tallest structure and building in the world since its topping out in late 2008.