While The Burj Khalifa Is 828 Meters High, The Proposed Tower Will Be 2 Kilometers Tall. According to reports by MEED, Saudi Arabia is currently developing plans for a skyscraper. That will eventually become the tallest structure in the world. Upon completion, the new mega project, which is anticipated to reach a height of 2 km. That will be more than twice as tall as Dubai's Burj Khalifa, the tallest...