67.04% of all visitors to MySpace come back

The interactive nature of social networking sites keeps visitors coming back. MySpace enjoyed the highest retention rate among the group, with 67% of all March 2006 at-home visitors returning in April 2006. MSN Groups and Facebook also benefited from a loyal following, with 58 and 52% of visitors returning month over month, respectively. Xanga.com and MSN Spaces rounded out the top five sites ranked by retention rate, with 49 and 47%, respectively.

Retention rates among social networks
Network Retention rate
MySpace 67.04
MSN Groups 57.62
Facebook 51.73
Xanga.com 48.92
MSN Spaces 47.33
Source: Nielsen//NetRatings