This list features the 10 tallest buildings in the world, based on official architectural height (including spires, but excluding antennae), as recorded by the Council on Tall Buildings and Urban Habitat (CTBUH) and verified through reliable, up-to-date sources. Breaking records At 828 m (2,716 ft 6 in) tall, the Burj is more than twice the height of the Empire State Building, and almost three times the size of the Eiffel Tower. In the course of confirming the Burj as the World’s tallest building, Guinness World Records also ratified a number of other lofty achievements for the ground-breaking structure. Find out the 100 tallest completed buildings in the world in 2025, with detailed information on their height, floors, materials, functions and status. See the Burj Khalifa, Merdeka 118, Shanghai Tower and more on the list. The tallest building in the world is Burj Khalifa in Dubai, UAE, stands at a staggering height of 828 meters (2,717 feet) and has 163 floors.