Highest buildings in the world are always in competition with one another. Mainly, because they are recorded in the books for breaking the records. Even several meters can change the outcome. However it is not just making the building tall, but making it safe and practical.

Nowadays, the tallest buildings are located in the east, more precisely in Saudi Arabia, UAE, China, and etc. The interesting fact is that The United States do not have a skyscraper in the first 10 of the tallest buildings.