25 Tallest Skyscrapers Under Construction

1. Suzhou Center Plaza, Suzhou, China; 2559 ft (780 m);  Completion: 2017
2.  India Tower, Mumbai,India; 2297 ft (700 m); 2016 
3. Ping'an International Finance Centre; Shenzen, China; 2165 ft (660 m); 2015 
4. Wuhan Greenland Center; Wuhan, China; 2087 ft (636 m); 2016
5. Shanghai Tower, Shanghai, China; 2074 ft (632 m); 2014 
6. Goldin Finance 117; Tianjin, China; 1959 ft (597 m); 2015
7. Rose Rock International Finance Center; Tianjin, China 1929 ft (588 m) Unknown 
8. Evergrande IFC;  Jinan, China 1837 ft (560 m) Unknown
9. Doha Convention Centre and Tower; Doha, Qatar; 1808 ft (551 m); 2015 
10. One World Trade Center; New York, USA; 1776 ft (541 m); 2013
11. Chow Tai Fook Centre, Guangzhou; Guangzhou, China; 1739 ft (530 m); 2017  
12. Chow Tai Fook Centre, Tianjin; Tianjin, China 1739 ft (530 m); 2016
13. China Zun; Beijing, China; 1732 ft, 528 m; 2016 
14. China Resources Headquarters; Shenzen, China;  1722 ft, 525 m; 2017 
15. Kaisa Feng Long Center;  Shenzen, China 1699 ft; 518 m 2015 
16. Dalian Greenland Center; Dalian, China 1699 ft, 518 m 2016
17.  Busan Lotte World Tower;  Busan, South Korea; 1670 ft,510 m; 2015 
18. Federation Tower; Moscow,Russia; 1660 ft, 506 m 2013 
19. Hefei Evergrande IFC; Hefei, China 1640 ft, 502 m 2017
20. Chengdu Greenland Center; Chengdu, China 1535 ft, 468 m 2016
21. Jialing Fanying Tower, Chongqing,China; 1535 ft, 468 m; 2016 
22. Tianjin RF Guangdong Tower; Tianjin, China 1535 ft, 468 m 2015 
23. The Wharf IFC, Suzhou; Suzhou, China 1480 ft, 452 m 2015
24.  World One Tower; Mumbai, India; 1450 ft, 442 m; 2014 
25. Wuhan Center, Wuhan, China 1437 ft, 438 m 2015

Read more: http://www.benzinga.com/news/13/02/3311613/the-25-tallest-skyscrapers-currently-under-construction

The above list is missing:
Lotte World Tower, Seoul, 555m (2015)

See also:  Top 20 Skyscrapers in 2016. This list differs slightly.