<Tr> <Td> Map all coordinates using: OpenStreetMap </Td> </Tr> <Tr> <Td> Download coordinates as: KML GPX </Td> </Tr> <P> The world's tallest artificial structure is the 829.8 - metre - tall (2,722 ft) Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of "Tallest Building in the World" and the tallest self - supported structure at its opening on January 9, 2010 . The second - tallest self - supporting structure and the tallest tower is the Tokyo Skytree . The tallest guyed structure is the KVLY - TV mast . </P> <P> The Council on Tall Buildings and Urban Habitat, an organization that certifies buildings as the "World's Tallest", recognizes a building only if at least 50% of its height is made up of floor plates containing habitable floor area . Structures that do not meet this criterion, such as the CN Tower, are defined as "towers". </P>

What is the highest tower in the world