Top 10 tallest buildings in the world 2011

1. Burj Khalifa

Burj Khalifa (formerly Burj Dubai), Dubai, The United Arab Emirates build in the year 2010.It is 2,716 ft tall and has 160 floors.

Some amazing facts about World's tallest building Burj Khalifa

World's highest elevator installation, situated inside a rod at the very top of the building.
World's fastest elevators at speed of 64 km/h (40 mph) or 18 m/s (59 ft/s).
World's highest mosque (located on the 158th floor)
World's highest swimming pool (76th floor)
World's highest nightclub (144th floor)
World's highest restaurant, At.mosphere, located on 122nd floor at the height of 442 m (1,450 ft)

2. Taipei 101

Taipei 101, Taipei, Taiwan.Taipei World Financial Center, is a landmark skyscraper located in Xinyi District. Taipei 101 build in the year 2004,it is 1667 ft tall and comprises 101 floors above ground and 5 floors underground.

3. World Financial Center

The World Financial Center, Shanghai is a supertall skyscraper in Pudong, Shanghai, China build in the year 2008 .It is 1,614 ft talland has 101 floors.

4. Petronas Tower 1 & 2, Kuala Lumpur, Malaysia

The Petronas Towers build in the year 1998 (also known as the Petronas Twin Towers or KLCC) are skyscrapers and twin towers in Kuala Lumpur, Malaysia. The Petronas Towers were the tallest buildings in the world for six years, until Taipei 101 was completed in 2004.It has 88 floors and 1,483 ft tall.

6. Greenland Financial Center, Nanjing, China

The Nanjing Greenland Financial Center is a 450-metre (1,476 ft) supertall skyscraper completed in April 2010 in Nanjing, China.It has 66 floors.

7. Sears Tower, Chicago

Sears Toweris a 110-story, 1476-foot (442 m) skyscraper in Chicago, Illinois. It was developed in year 1974.

8. Guangzhou International Finance Center

Guangzhou International Finance Center also known as Guangzhou West Tower, Guangzhou was developed in 2009 in China. The buliding has 103 floors and it is 438 metres (1,435 ft.) tall.

9. Jin Mao Building

Jin Mao Building, Shanghai, was developed in year 1999 in China. The tower has 88 floors and it is 421 metres (1,381 ft.) tall.

10. International Finance Centre Hong Kong

International Finance Centre, were built in 2003 in Hong Kong. The towers have 88 floors and 415 metres (1,362 ft) tall.