#1 Facebook
Registered Users: 1+ billion
Active Users: 1 billion
Alexa Rank: 2
Date Launched : February 2004
Official Site : facebook.com
#2 Tencent QQ
Registered Users: 784+ million
Active Users: 712 million
Alexa Rank: 7
Date Launched : February 1999
Official Site :qq.com
#3 Google+
Registered Users: 540+ million
Active Users: 300 million
Alexa Rank: 1
Date Launched : June 2011
Official Site : plus.google.com
#4 Skype
Registered Users: 663+ million
Active Users: 280 million
Alexa Rank: 197
Date Launched : August 2003
Official Site : skype.com
#5 Twitter
Registered Users: 500+ million
Active Users: 200+ million
Alexa Rank: 10
Date Launched : March 2006
Official Site : twitter.com
Disclaimer:Alexa rank is updated daily.All above figure is as per date 24 nov, 2013 by TheTechDigit
