List of Tallest 5 Buildings in the World

 1.Burj Khalifa -UAE ,Dubai ,Height(m)  828m

 2.Shanghai Tower-Shanghai ,China Height(m)  632m

 3.Makkah Royal Clock Tower Hotel- Mecca,Saudi Arabia Height(m) 601m

 4.One World Trade Center-New York City, USA Height(m)  541.3m

5.Taipei 101-Taipei,Taiwan  Height(m)   509m