Ten Extreme Skyscrapers And Their Super Fast Elevators
It seems that skyscrapers are getting taller and taller. Here is a look at 10 skyscrapers which are scheduled to grace skylines around the world by 2020 or before (some are already complete). With each picture is a breakdown of the number of elevators each building is designed to feature, along with their projected speed. For more information and more buildings, see this very informative post from Discovery News.
1. KINGDOM TOWER, JEDDAH, SAUDI ARABIA
Height to tip: 3,281
Number of elevators: 59
Top elevator speed: 10 meters/sec
Completion scheduled for 2019
BURJ KHALIFA, DUBAI, UAE
Height to tip: 2,723
Number of elevators: 58
Top elevator speed: 10 meters/sec
Completed 2010
PING AN FINANCE CENTER, SHENZEN, CHINA

Source: http://economictimes.indiatimes.com/slideshows/infrastructure/10-tallest-skyscrapers-of-the-future/2-ping-an-international-finance-center-china/slideshow/22065697.cms
Height to tip: 2,165
Number of elevators: 76
Top elevator speed: 10 meters/sec
Completion scheduled for 2016
SEOUL LIGHT DMC TOWER, SEOUL, SOUTH KOREA
Height to tip: 2,101
Number of elevators: 43
Top elevator speed: unknown
Completion date not scheduled
Height to tip: 2,093
Number of elevators: unknown
Top elevator speed: unknown
Completion scheduled for 2020
SHANGHAI TOWER, SHANGHAI, CHINA
Height to tip: 2,073
Number of elevators: 106
Top elevator speed: 18 meters/sec
Completion scheduled for 2015
WUHAN GREENLAND CENTER, WUHAN, CHINA
Height to tip: 2,087
Number of elevators: 84
Top elevator speed: 12.5 meters/sec
Completion scheduled for 2017
Height to tip: 1,972
Number of elevators: 96
Top elevator speed: 6 meters/sec
Completed 2012
GOLDIN FINANCE 117, TIANJIN, CHINA
Height to tip: 1,957
Number of elevators: unlisted
Top elevator speed: unknown
Completion scheduled for 2016
LOTTE WORLD TOWER, SEOUL, SOUTH KOREA
Height to tip: 1,824
Number of elevators: 58
Top elevator speed: 10 meters/sec
Completion scheduled for 2016
Bonus Factoid: “In 2000, the average height of the tallest buildings was 1,230 feet. By 2010, that average rose to 1,440 feet and by 2020, the average height is expected to reach 1,962.”
Source: http://news.discovery.com/tech/gear-and-gadgets/20-mega-tall-buildings-by-2020-140427.htm