According to the recent report published by OPSWAT, “Windows Live Messenger accounts for just over 40% of the installed IM applications, followed by Skype, which accounts for more than a quarter of the installations”. Skype shares 27.39% and is at 2nd place. With 15.11% Yahoo! Messenger is in third place, followed by TENCENT QQ with 4.95%, Google Talk with 3.56%, Gadu-Gadu with 2.46%, and ICQ with 2.01%.
Three instant messenger clients dominate the market for PC users, with over 80% combined market share. This number does not account for the market share of web-based instant messaging services such as Google Chat and Facebook, which could mean that a higher percentage of PC users than reported actively use instant messaging,” OPSWAT added
