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List of Social Media sites and their sizes

 

Name Description/Focus
Users
 Registration Alexa Ranking
Facebook General.               
350,000,000
Open 2
Qzone General. In Simplified Chinese; caters for mainland China users               
200,000,000
Open to the General Public NA (Alexa only records data for second-level domains)
Orkut General. Owned by Google Inc. Popular in Brazil and increasing, in India.[192]               
180,000,000
Open to people 18 and older, (Google login) 43
MySpace General. HTML based site.               
130,000,000
Open to ages 13 and up. 11
Windows Live Spaces Blogging (formerly MSN Spaces)               
120,000,000
Open NA (Alexa only records data for second-level domains)
Friendster General. Popular in Southeast Asia. No longer popular in the western world                  
90,000,000
Open to people 16 and older. No children allowed 146
hi5 General. Popular in India,Portugal, Mongolia, Thailand, Romania, Jamaica, Central Africa and Latin America. Not popular in the USA.                  
80,000,000
Open to people 13 and older. No children allowed 51
Twitter General. Micro-blogging, RSS, updates                  
75,000,000
Open 14
Tagged General. Subject to quite some controversy about its e-mail marketing and privacy policy                  
70,000,000
Open 117
Vkontakte Social Network for Russian-speaking world including former Soviet republics. Biggest site in Russia                  
68,150,000
Open 182
Flixster Movies                  
63,000,000
Open to people 13 and older 1,018
LinkedIn Business and professional networking                  
60,000,000
Open to people 18 and older 35
Netlog General. Popular in Europe, Turkey, the Arab World and Canada's Québec province. Formerly known as Facebox and Redbox.[176]                  
59,000,000
Open to people 13 and older 130
MyLife Locating friends and family, keeping in touch (formerly Reunion.com)                  
51,000,000
Open 1,481
Classmates.com School, college, work and the military                  
50,000,000
Open to people 18 and older[37] 799
Odnoklassniki Connect with old classmates. Popular in Russia and former Soviet republics                  
45,000,000
Open 92
Bebo General                  
40,000,000
Open to people 13 and older 341
Badoo General, Popular in Europe                  
37,000,000
Open to people 18 and older 179
Flickr Photo sharing, commenting, photography related networking, worldwide                  
32,000,000
Open to people 13 and older 33
Last.fm Music                  
30,000,000
Open to any age or gender 310
MyHeritage family-oriented social network service                  
30,000,000
Open 2,953
Xanga Blogs and "metro" areas                  
27,000,000
Open 768
Mixi Japan                  
24,323,160
Invite-only 85
imeem Music, Video, Photos, Blogs                  
24,000,000
Open 407
Skyrock Social Network in French-speaking world                  
22,000,000
Open 111
BlackPlanet African-Americans                  
20,000,000
Open 2,350
Fotolog Photoblogging. Popular in South America and Spain                  
20,000,000
Open 227
myYearbook General                  
20,000,000
Open to age 13 and up & Grades 9 and up 851
Friends Reunited UK based. School, college, work, sport and streets                  
19,000,000
Open to people 13 and older 10,231
LiveJournal Blogging                  
17,564,977
Open (OpenID) 81
Sonico.com General. Popular in Latin America and Spanish and Portuguese speaking regions.                  
17,000,000
Open to people 13 and older 507
Geni.com Families, genealogy                  
15,000,000
Open 5,815
Plaxo Aggregator                  
15,000,000
Open 1,533
Renren Significant site in China. Was known as 校内 (Xiaonei) until August 2009.                  
15,000,000
Open 103
StudiVZ University students, mostly in the German-speaking countries. School students and those out of education sign up via its partner sites schülerVZ and meinVZ.                  
15,000,000
Open 195
Nasza-klasa.pl School, college and friends. Popular in Poland                  
11,000,000
Open 110
Buzznet Music and pop-culture                  
10,000,000
Open 736
Multiply "Real world" relationships. Popular in Asia. Not popular in the western world                  
10,000,000
Open to people 13 and older. No children allowed 246
WAYN Travel and lifestyle                  
10,000,000
Open to people 18 and older 2,974
Care2 Green living and social activism                    
9,961,947
Open 2,594
deviantART Art community                    
9,040,962
Open 97
Hyves General, Most popular in the Netherlands.                    
9,000,000
Open 225
StumbleUpon Stumble through websites that match your selected intrests                    
8,822,921
Open 255
XING Business (primarily Europe (Germany, Austria, Switzerland) and China)                    
8,000,000
Open 269
Viadeo European Social Networking and Campus Networking in Seven Languages                    
6,000,000
Open 1,724
Open Diary First online blogging community, founded in 1998                    
5,000,000
Open to people 13 and older 39,290
Tuenti Spanish-based university and High School social network. Very Popular in Spain                    
4,500,000
Invite-only 291
Trombi.com French subsidiary of Classmates.com                    
4,400,000
0 7,283
Books iRead All about Books, Reviews, Recommendations and Authors                    
4,000,000
Open 0
iWiW Hungary                    
4,000,000
Invite-only 532
Ibibo Talent based social networking site that allows to promote one's self and also discover new talent. Most popular in India.                    
3,500,000
Open 695
Bigadda Indian Social Networking Site.                    
3,000,000
Open to people 16 and older 3,176
Cellufun mMobile social game network, Number 8 US mobile website[33]                    
3,000,000
Open to people 14 and older 118,033
Livemocha Online language learning - dynamic online courses in 22 languages - world’s largest community of native language speakers.                    
3,000,000
Open 4,079
MocoSpace mobile community, worldwide                    
3,000,000
Open to people 14 and older 3,685
My Opera Blogging, mobile blogging, sharing photos, connecting with friends. Global                    
3,000,000
Open NA (Alexa only records data for second-level domains)
Itsmy Mobile community worldwide, blogging, friends, personal TV-shows                    
2,500,000
0 206,437
Draugiem.lv General (primarily LV, LT, HU)                    
2,400,000
Invitation only 2,081
Kiwibox General. For the users, by the users, a social network that is more than a community.                    
2,400,000
Open to people 13 and older 104,563
Grono.net Poland                    
2,000,000
Open 2,958
Stickam Live video streaming and chat.                    
2,000,000
Open 2,742
Vampirefreaks.com Gothic and industrial subculture                    
1,931,049
Open to users 13 and over 7,577
TravBuddy.com Travel                    
1,588,000
Open to people 18 and older 11,789
CouchSurfing Worldwide network for making connections between travelers and the local communities they visit.                    
1,560,459
Open 3,711
Yahoo! 360°plus Vietnam Owned by Yahoo!. General & blogging. Popular in Vietnam.                    
1,500,000
Open (Yahoo! login) NA (Alexa only records data for second-level domains)
Nexopia Canada                    
1,400,000
Open to people 13 and older [181] 24,071
CafeMom Mothers                    
1,250,000
Open to moms and moms-to-be 4,333
Fubar dating, an "online bar" for 18 and older                    
1,200,000
Open 9,476
LunarStorm Sweden                    
1,200,000
Open 65,874
Zoo.gr Greek Web Meeting point                       
890,000
Open 8,057
aSmallWorld European jet set and social elite world-wide                       
550,000
Invite-only 8,583
IRC-Galleria Finland                       
505,000
Open to Finnish speaking people 12 and older 3,302
Ryze Business                       
500,000
Open 19,839
Gather.com Article, picture, and video sharing, as well as group discussions                       
465,000
Open 3,974
italki.com Language learning social network. 100+ languages.                       
450,000
Open. Global. 14,610
SocialVibe Social Network for Charity                       
435,000
Open 41,927
LibraryThing Book lovers                       
400,000
Open to people 13 and older 4,529
Indaba Music Online collaboration for musicians, remix contests, and networking.                       
350,000
Open and Global 55,062
Taringa! General                       
350,000
Open to people 13 and older 126
Ravelry Knitting and crochet                       
331,000
Invite-only while in beta 7,811
Hospitality Club Hospitality                       
328,629
Open 38,258
GamerDNA Computer and video games                       
310,000
Open 22,887
FilmAffinity Movies and TV Series                       
250,000
Open 3,916
The Auteurs An online movie theater where you watch, discover, and discuss auteur cinema.                       
200,000
Open 25,648
Faceparty General. Popular UK.                       
200,000
Invitation only to people 18 and older 28,760
Elftown Community and wiki around Fantasy and sci-fi.                       
185,000
Open, approval needed 17,681
Foursquare Location based mobile social network                       
170,000
Open 4,539
MyAnimeList Anime themed social community                       
160,000
Open to people 13 and older 6,096
PartnerUp Social networking site for entrepreneurs and small business owners                       
150,000
Open and Free 29,221
MyChurch Christian Churches                       
144,295
Open 94,510
ResearchGATE Social network for scientific researchers                       
140,000
Open 51,885
Gays.com Social network for LGBT community, Guide for LGBT bars, restaurants, clubs, shopping                       
100,000
Open. Global 74,664
MyLOL General. Popular in the United States, Europe and Australia                       
100,000
Open to ages 13 and up. 152,787
Wakoopa For computer fans that want to discover new software and games                       
100,000
Open 9,420
Athlinks Running, Swimming                         
68,496
Open 73,295
Blogster Blogging service that lets users "add friends" or establish business connections to their profiles.                         
58,344
Open 47,946
Muxlim Muslim portal site                         
50,000
Open to people 13 and older 59,099
Dol2day Politic community, Social network, Internet radio (German-speaking countries)                         
40,200
Open 554,616
WiserEarth Online community space for the social justice and environmental movement[263]                         
34,240
Open to people 16 and older 77,143
Fetlife People who are into BDSM                         
32,500
Open to people "of [legal] age to see adult content" 7,833
kaioo General, nonprofit                         
30,000
0 386,200
ReverbNation.com Social network for musician and bands                         
25,000
Open to people 16 and older 6,187
NGO Post Non-Profit news sharing and networking, mainly in India                         
15,000
Open 70,134
Frühstückstreff General                         
14,800
Open 1,253,155
Advogato Free and open source software developers                         
13,575
Open 128,340
Biip Norwegian Community.                         
13,476
Requires Norwegian phone number 27,415
Fillos de Galicia Galicia and Galician diaspora                            
6,772
Open 1,630,495
Amie Street Music                                  
-  
Open 24,784
ANobii Books                                  
-  
Open 10,734
Avatars United Online games.                                  
-  
Open 294,575
BabyCenter Mothers, Parenting, Pregnancy                                  
-  
Open 1,018
BigTent organization and communication portal for groups                                  
-  
Open to people 18 and older (13-18 parental permission encouraged 34,047
Bolt.com General                                  
-  
Open 111,069
Cake Financial Investing                                  
-  
Open 481,922
Cloob General. Popular in Iran                                  
-  
Open 712
CollegeBlender A social media-based online community for college students, faculty, and alumni.                                  
-  
Requires an email address ending in .EDU 553,453
DailyBooth Photo-blogging site where users upload a photo every day                                  
-  
Open 5,460
DailyStrength Medical & emotional support community - Physical health, Mental health, Support groups                                  
-  
Open 22,054
Decayenne European and American social elite                                  
-  
Invite-only 154,733
DigitalVerse.org Poets                                  
-  
Open to people 14 and older 190
Disaboom People with disabilities (Amputee, cerebral palsy, MS, and other disabilities)                                  
-  
Open 112,712
DontStayIn Clubbing (primarily UK)                                  
-  
Open 19,022
Epernicus For research scientists                                  
-  
Open 293,955
Eons.com For baby boomers                                  
-  
Open to people 13 and older 27,320
Experience Project Life experiences                                  
-  
Open 3,452
Exploroo Travel Social Networking.                                  
-  
Open 209,868
Faces.com British teens                                  
-  
Open to people 13 and older 120,665
FledgeWing Entrepreneural community targeted towards worldwide university students                                  
-  
Open to university students 1,793,990
Gaia Online Anime and games                                  
-  
Open to people 13 and older 1,071
Gogoyoko Fair play in Music - Social networking site for musicians and music lovers                                  
-  
Invite only while in beta 119,272
Goodreads Library cataloging, book lovers                                  
-  
Open 2,543
Google Buzz General                                  
-  
Open 0
Gossipreport.com Anonymous gossip                                  
-  
Open to people 16 and older 1,245,494
Habbo General for teens. Over 31 communities worldwide. Chat Room and user profiles.  
Beta testing 
 Open to people 13 and older 6,545
InterNations International community                                  
-  
Invite-only 26,688
Jaiku General. Owned by Google                                  
-  
Open to people 13 and older 15,661
JammerDirect.com Creative resource website                                  
-  
Open to the General Public 930,958
Kaixin001 General. In Simplified Chinese; caters for mainland China users                                  
-  
Open to the General Public 61
lifeknot Shared interests, hobbies                                  
-  
Open to people 18 and older 602,117
Listography Lists. Autobiography                                  
-  
Open 197,009
MEETin General                                  
-  
Open 173,717
Meetup.com General. Used to plan offline meetings for people interested in various activities                                  
-  
Open to people 18 and older 739
Meettheboss Business and Finance community, worldwide.                                  
-  
Open 107,180
mobikade mobile community, UK only                                  
-  
Open to people 18 and older 1,851,728
MOG Music                                  
-  
Open to people 14 and older 4,221
MouthShut.com Social Network, social media, consumer reviews                                  
-  
Open 2,545
Nettby Norwegian Community                                  
-  
Open 2,719
Ning Users create their own social websites and social networks                                  
-  
Open to people 13 and older 132
OneClimate Not for Profit Social networking and Climate Change                                  
-  
Open to People of all ages and locations 307,773
OneWorldTV Not for Profit Video sharing and social networking aimed at people interested in social issues, development, environment, etc.                                  
-  
Open 27,434,227
Passportstamp Travel                                  
-  
Open 366,598
Pingsta Collaborative platform for the world's Internetwork Experts                                  
-  
Invite-only, only Internet Experts 1,668,955
Playahead Swedish, Danish,Norwegian teenagers                                  
-  
Open 63,081
Playboy U Online college community                                  
-  
Open to college students with .edu e-mail address 433,970
Plurk Micro-blogging, RSS, updates. Very popular in Taiwan                                  
-  
Open 1,072
Present.ly Enterprise social networking and micro-blogging                                  
-  
Open 4,893,711
Qapacity A a business-oriented social networking site and a business directory                                  
-  
Open to people 16 and older 96,847
quarterlife A social network for artists, filmmakers, musicians, and creative people                                  
-  
Open to people 14 and older 88,516
ScienceStage Science-oriented multimedia platform and network for scientists                                  
-  
Open 36,537
Scispace.net Collaborative network site for scientists                                  
-  
By invitation, but can request an invitation 1,231,795
ShareTheMusic Music Community. Sharing and listening to music for free and legally                                  
-  
Open 471,712
Shelfari Books                                  
-  
Open 19,681
TalentTrove Online Talent Network                                  
-  
Open 21,177
Talkbiznow Business networking                                  
-  
Open 283,770
Taltopia Online artistic community                                  
-  
Open 52,759
TeachStreet Education / Learning / Teaching - More than 400 subjects                                  
-  
Open 61,492
Travellerspoint Travel                                  
-  
Open 13,731
tribe.net General                                  
-  
Open 5,706
Tumblr General. Micro-blogging, RSS                                  
-  
Open 245
Vox Blogging                                  
-  
Open 1,319
Wasabi General                                  
-  
Open 95,188
WebBiographies Genealogy and biography                                  
-  
Open 734,214
WeOurFamily General with emphasis on privacy and security                                  
-  
Open, subscription-based 685,337
Wer-kennt-wen General, largest German Social Network                                  
-  
General 7,500,000
Xt3 Catholic social networking, created after World Youth Day 2008                                  
-  
Open 459,914
Yammer Social networking for office colleagues                                  
-  
Must have company email 32,993
Yelp, Inc. Local Business Review and Talk                                  
-  
Open 343
Youmeo UK Social Network (focus on data portability)                                  
-  
Open 1,680,191