List of tallest buildings
The international non-profit organization Council on Tall Buildings and Urban Habitat (CTBUH) was formed in 1969 and announces the title of "The World's Tallest Building" and sets the standards by which buildings are measured. It maintains a list of the 100 tallest completed buildings in the world. The organization currently ranks Burj Khalifa in Dubai as the tallest at . The CTBUH only recognizes buildings that are complete however, and some buildings included within the lists in this article are not considered finished by the CTBUH.
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.