"the Empire State Building was the tallest building in the world"
40th Street between Fifth and Sixth Avenues, Manhattan. (December 05, 1935)
Public Domain40th Street between Fifth and Sixth Avenues, Manhattan. (December 05, 1935) - Credit: New York Public Library
Burj Khalifa
Creative Commons AttributionBurj Khalifa - Credit: Joi Ito

While the Empire State Building dwarfed other buildings at the time of its construction, it has since lost its claim to being the tallest structure on Earth.

The world's tallest building is now the Burj Khalifa in Dubai. The structure was opened on 4th January 2010 and stands at 828 m (2,720 ft) tall, twice the height of the Empire State Building.

Scale of tall structures
GNU Free Documentation LicenseScale of tall structures - Credit: Astronaut