Which building is the tallest in the world?

As of 2014, the tallest building in the world is Burj Khalifa in Dubai, United Arab Emirates. Completed in 2010, the skyscraper is 828 meters, or 2,716 feet, tall. Shanghai Tower is located in Shanghai, China, and comes in second at 632 meters.

The Makkah Clock Royal Tower in Saudi Arabia is the third tallest building in the world, standing at 601 meters. The tallest building in the United States is also the fourth tallest in the world. One World Trade Center in New York City stands at 541 meters, rising from the site of the former World Trade Center.