The Burj Khalifa is the world's tallest building, which is in Dubai.
The Burj Khalifa ( برج خليفة , Arabic for `` Khalifa Tower '' ; pronounced [ langˈbɝdʒ_kə ` li : fə ] ) , known as the Burj Dubai before its inauguration , is a megatall skyscraper in Dubai , United Arab Emirates . With a total height of 829.8 m including the antenna and a roof height of 828 m , the Burj Khalifa is currently the tallest structure in the world since topping out in late 2008 . Dubai . The city has become iconic for its skyscrapers and high-rise buildings , in particular the world 's tallest building , the Burj Khalifa . The tallest building in the world is Burj Khalifa .