Social Networks Statistics: The US Top Four

Here are the top 4 social networks in the US, with their respective monthly traffic:

1. Facebook - 160.9 million U.S. visitors
2. LinkedIn - 33.9 million visitors
3. Myspace - 33.5 million
4. Twitter - 30.6 million users

We have written about Facebook LinkedIn Traffic comparison earlier.

Statistics Source: BusinessWeek

Update: Google Plus Statistics