The Top 5 Tallest Buildings in the World


  Building
(construction period)
Location Height Number of Floors
1
Burj Khalifa
(6 years)
Burj, Dubai 828 m/ 2,717 ft 162
2
Shanghai Tower
(6 years+)
Shanghai, China 632.11 m/ 2,073 ft 121
3
Makkah Clock Royal Tower
(8 years)
Makkah, Saudi Arabia 601.00 m/ 1,971 ft 120
4
One World Trade Center
(8 years+)
New York, USA 541.33 m/ 1,776 ft 104
5
Taipei 101
(5 years)
Taipei, Taiwan 509 m/ 1,671 ft 101
List Notes: Data last updated June, 2014. Number of floors indicated are above ground floors only.
  
  1. The amount of condensation water collected from the air conditioning system of the Burj Khalifa (which was originally called the Burj Dubi) is said to be equal to 20 Olympic-sized swimming pools per year. The water is recycled and used for landscaping.
  2. Changes to the architectural design of the Shanghai World Financial Center resulted in an over-run of more than $200 million US dollars due to the sophistication of the designs which included a structural system re-design, a foundation re-design and increased safety features implemented after the September 11th attacks in New York.
  3. Construction started on Petronas Towers 1 & 2 in 1992 and finished in 1998. César Pelli was the principal architect. Petronas Towers 1 & 2 are located next to Jalan Ampang Street Kuala Lumpur.
  4. The height of the International Commerce Centre was scaled back from earlier plans due to regulations that didn't allow buildings to be taller than mountains that surround the city of Hong Kong. The original proposal for this building was called Kowloon Station Phase 7 and it was designed to be 574 m (1,880 ft) tall which would have made it the second tallest building in the world. A five-star (or seven star depending on who your read) 312 room hotel operated by Ritz-Carlton will occupy the top 15 floors of the tower.
  5. The Taipei 101 has a circular 660-tonne tuned mass damper which counters seismic and wind-induced movement. It is made from 41 steel plates, and is suspended from eight steel cables. It sits on eight viscous dampers and can move five feet laterally in any direction. It is the largest and heaviest of its type in the world.
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