tallest building in the world-tallest building in the world 2017
List of tallest buildings The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the world's tallest building since 2008. The Burj Khalifa has been classified as Megatall . ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the world's tallest building since 2008. The Burj Khalifa has been classified as Megatall . Ranking criteria and alternatives 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 Build...