Top 10 Highest Skyscrapers in the World

10. Willis Tower (Formerly Sears Tower) in USA, 1,450 ft
Willis Tower is a 108-story, 1,451-foot skyscraper in Chicago, Illinois, United States. At the time of its completion in 1973, it was the tallest building in the world, surpassing the World Trade Center

9. Zifeng Tower in China, 1,476 ft
Zifeng Tower is a 450-metre skyscraper completed in 2010 in Nanjing, China. The 89-story building comprises retail and office space in the lower section, and restaurants, a hotel, and a public observatory near the top.

8. Petronas Tower 1 and 2 in Malaysia, 1,483 ft
The Petronas Towers, also known as the Petronas Twin Towers are twin skyscrapers in Kuala Lumpur, Malaysia.

7. International Commerce Centre in Hong Kong, 1,588 ft
The International Commerce Centre is a 118-storey, 484 m (1,588 ft) commercial skyscraper completed in 2010 in West Kowloon, Hong Kong. It is a part of the Union Square project built on top of Kowloon Station. As of 2013, it is the world's seventh tallest building by height, world's third tallest building by number of floors, as well as the tallest building in Hong Kong.

6. Shanghai World Financial Center in China, 1,614 ft
The Shanghai World Financial Center is a supertall skyscraper located in the Pudong district of Shanghai, China.

5. Taipei 101 in Taiwan, 1,670 ft
Taipei 101, formerly known as the Taipei World Financial Center, is a landmark skyscraper located in Xinyi District, Taipei, Taiwan. The building ranked officially as the world's tallest from 2004 until the opening of the Burj Khalifa in Dubai in 2010. In July 2011, the building was awarded LEED Platinum certification, the highest award in the Leadership in Energy and Environmental Design (LEED) rating system and became the tallest and largest green building in the world

4. One World Trade Center in USA, 1,776 ft
One World Trade Center is the name of two buildings. It most commonly refers to the primary building of the new World Trade Center complex in Lower Manhattan, New York City, and the tallest skyscraper in the Western Hemisphere.

3. Makkah Royal Clock Tower Hotel in Saudi Arabia, 1,971 ft
The Abraj Al-Bait Towers, also known as the Mecca Royal Hotel Clock Tower, is a government-owned building complex in Mecca, Saudi Arabia.

2. Shanghai Tower in China, 2,073 ft
The Shanghai Tower is a supertall skyscraper under construction in Lujiazui, Pudong, Shanghai. Designed by Gensler, it is the tallest of a group of three adjacent supertall buildings in Pudong

1. Burj Khalifa in UAE, 2,717 ft
Burj Khalifa, known as Burj Dubai prior to its inauguration, is a skyscraper in Dubai, United Arab Emirates, and is the tallest man-made structure in the world, at 829.8 m.

Image Source: http://en.wikipedia.org