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.
Emaar Developments
Within Downtown Dubai, current developments include:The Burj Khalifa is the world's tallest building, with a total height of 829.8 metres (2,722 ft) and a roof height (excluding antenna) of 828 m (2,717 ft). Construction began in 2004 and the building was opened in 2010. The total cost of construction is estimated to be US$1.5 billion.