Top 20 Social Networks

Aside from the global leaders, Asian social networking sites such as Weibo, RenRen and Badoo are not being left behind when it comes to the total number of userbase. While Facebook may have the highest number of userbase, the micblogging site, Twitter, has gotten the highest growth in the last 3-4 years.

http://ijustdid.org/2012/11/top-social-networks/