Social Networking sites rated by users (traffic)

Team,

Here is the same information I found here http://en.wikipedia.org/wiki/List_of_social_networking_websites
But, this is sorted by size:

Update: I found that I miss typed Facebook's numbers so if you want the most recent version of this spreadsheet as I keep it updated:
http://spreadsheets.google.com/pub?key=p5Puv3ZcRpbxtq_hb_K5LPg

Name Description/Focus User count Registration Windows Live Spaces Blogging (formerly MSN Spaces) 120,000,000 Open (Windows Live ID) Hi5 General 50,000,000 Open orkut Owned by Google 46,423,762 Open (Google login) Classmates.com School, college, work and the military 40,000,000 Open Xanga Blogs and "metro" areas 40,000,000 Open Bebo Schools and colleges 34,000,000 Open Friendster General 29,100,000 Open Broadcaster.com Video sharing and webcam chat 26,000,000 Open Netlog European young adults (14-24). Formerly known as Facebox. 18,000,000 Open BlackPlanet.com African-Americans 16,000,000 Open Cyworld Young South Koreans 15,000,000 Open Last.fm Music 15,000,000 Open LiveJournal Blogging 12,900,000 Open (OpenID) Friends Reunited School, college, work, sport and streets 12,000,000 Open LinkedIn Business 11,000,000 Open Piczo Teenagers, Canadians, photo sharing 10,000,000 Open WAYN Travel & Lifestyle 8,000,000 Open to people 18 and older Mixi Japan 8,000,000 Invite-only Care2 Green living and activism 7,151,375 Open

Gaia Online Anime and Games 7,000,000 Open Faceparty British teens and 20-somethings 5,900,000 Open to people 16 and older. Yahoo! 360° Linked to Yahoo! IDs 4,700,000 Open to people 18 and older Passado General 4,700,000 Open Bolt General (music and video) 4,000,000 Open Flickr Photo sharing 4,000,000 Open (Yahoo! login) Multiply Real world 4,000,000 Open eSPIN Teen Dating 3,800,000 Open MiGente.com Latinos 3,600,000 Open Hyves General Dutch social networking website. 3,266,151 Open The Doll Palace Cartoon dolls and dress up games 2,500,000 Open XING Business 2,000,000 Open Meetup.com General 2,000,000 Open TagWorld General (tagging) 1,850,692 Open CarDomain Car enthusiasts 1,600,000 Open iWiW Hungary 1,500,000 Invite only Stumbleupon Websurfing 1,200,000 Open LunarStorm Sweden 1,200,000 Open Vampire Freaks Gothic industrial culture 1,020,500 Open Nexopia Canada 1,019,372 Open

43 Things Tagging 1,007,433 Open Grono.net Poland 1,000,000 Invite-only Xuqa Colleges 1,000,000 Open IMVU 3D chat software 1,000,000 Open Fotki Photo sharing 1,000,000 Open myYearbook General 950,000 Open My Opera Community General (blogs, photo albums, forums, groups, etc.) 834,753 Open The Student Center Teens and colleges 800,000 Open Graduates.com School, college, and work 650,000 Open Tribe.net General 602,876 Open Playahead Swedish teenagers 530,000 Open Sconex American high schools 500,000 Open DeadJournal Dark 490,310 By invite or payment (OpenID) IRC-Galleria Finland 400,000 Open GoPets Virtual pets 400,000 Open Threadless Custom T-shirts 364,474 Open Flirtomatic Flirting/Dating 265,000 Open to people 18 and older. Ryze Business 250,000 Open DontStayIn Clubbing (primarily UK) 235,000 Open Couchsurfing Couchsurfing 192,000 Open

MySpace General 162,000 Open aSmallWorld European jet set and social elite 150,000 Invite-only TakingITGlobal Social action 145,000 Open ProfileHeaven British teens 100,000 Open Geni.com Families, genealogy 100,000 Open Ecademy Business 100,000 Open Travellerspoint Travel 90,000 Open Blue Dot Link sharing 80,000 Open MEETin General 72,000 Open FUPEI General (Photo, Video, Music, Games, Event, and Chat Room), membership mostly from Indonesia 53,000 Open Doostang Careers 53,000 Invite-only Zaadz Social consciousness 50,178 Open Reunion.com Locating friends and family, keeping in touch 28,000 Open Facebook College/High School students and General 23,000 Open Consumating Consumeetings 21,000 Open Sportsvite Recreational Sports 18,000 Open Frühstückstreff General 11,600 Open Advogato Free Software and Open Source developers 11,000 Open Amina - Chechen Republic Online Chechens 3,500 Open MOG Music 0 Open

Joga Bonito Football (soccer) 0 Open imeem Instant messaging 0 Open Yelp United States adults 0 Open Studivz University students, mostly in the German-speaking countries 0 Open Dodgeball.com Mobile location-based service, owned by Google 0 Open Twitter Update friends with your status through SMS, IM, web interfaces 0 Open WebBiographies Genealogy & Biography 0 Open (Yahoo! login) 0 Vox Blogging 0 Open Zooomr Universal Photo Sharing 0 Open (OpenID) Dandelife Collective narratives or "shared biographies" 0 Open The Zooplex General 0 Open Shelfari Online community for book lovers 0 Open RateItAll Consumer ratings + social networking 0 Open