1 Facebook Facebook Inc. 2+ billion[3] 2.07 billion[4] February 2004 United States September 2017
2 WhatsApp Facebook Inc. 1.2+ billion[5] 1.2 billion[5] February 2009 United States December 2016
– Facebook Messenger Facebook Inc. 2+ billion[3] 1.2 billion[6] August 2011 United States March 2017
3 WeChat Tencent Holdings Limited 1+ billion[7] 938 million[8] January 2011 China December 2016
4 Tencent QQ Tencent Holdings Limited 1+ billion[9] 868 million[10] February 1999 China December 2016
– Tencent Qzone Tencent Holdings Limited 1+ billion[9] 638 million[11] May 2005 China December 2016
5 Instagram Facebook Inc. 800+ million[12] 800 million[12] October 2010 United States August 2017
6 Sina Weibo Sina Corp 503+ million[13] 340 million[14] August 2009 China March 2017
7 Twitter Twitter Inc. 1+ billion[15] 330 million[16] March 2006 United States September 2017
8 Skype Microsoft 750 million[17] 300 million[18] August 2003 Estonia March 2016
9 Baidu Tieba Baidu 1.5 billion[19] 300 million[19] December 2003 China August 2016
10 Viber Rakuten Inc. 858 million[20] 249 million[20] December 2010 Israel Japan June 2015
11 LINE Naver Corporation 600 million[21] 217 million[22] June 2011 Japan South Korea December 2016
12 Google+ Google 2+ billion[23] 212 million[24] June 2011 United States April 2015
13 Pinterest Pinterest 200+ million[25] 200 million[25] March 2010 United States September 2017
14 Snapchat Snap Inc. 161+ million[26] 161+ million[26] September 2011 United States December 2016
15 King of Glory Tencent Holdings Limited 200+ million[27] 160 million[28] November 2015 China May 2017
16 LinkedIn Microsoft 466 million[29] 106 million[29] May 2003 United States September 2016
17 VK Mail.Ru 369 million[30] 100+ million[31] October 2006 Russian Federation September 2016
18 League of Legends Tencent Holdings Limited 100+ million[32] 100+ million[32] October 2009 United States September 2016
19 BBM Emtek 190 million[33] 100 million[34] February 2007 Canada February 2015
20 Telegram Telegram Messenger LLP 100+ million[35] 100 million[35] August 2013 United Kingdom February 2016
Note: An "active user" is defined as a