Base on ComScore traffic stats for November 2008, ComScore keeps a list of what it calls “social networking” sites, but these include blogging platforms and other social media sites as well. While the audience for blogs is still showing healthy growth overall, Facebook stands out as the social gorilla taking share from not only other social networks but blogs and other social media as well.

1. Blogger (222 million)
2. Facebook (200 million)
3. MySpace (126 million)
4. WordPress (114 million)
5. Windows Live Spaces (87 million)
6. Yahoo Geocities (69 million)
7. Flickr (64 million)
8. hi5 (58 million)
9. Orkut (46 million)
10. Six Apart (46 million)
11. Baidu Space (40 million)
12. Friendster (31 million)
13. 56.com (29 million)
14. Webs.com (24 million) – Freewebs
15. Bebo (24 million)
16. Scribd (23 million)
17. Lycos Tripod (23 million)
18. Tagged (22 million)
19. imeem (22 million)
20. Netlog (21 million)

Top Social Media Sites of 2008 (Facebook Still Rising)