Skype has reached 45 million concurrent users and that number is only expected to grow 66 by Joe Hindy on October 15, 2012 2:00 pm 2 Skype has had an exciting nine years of life. They’ve been acquired twice. Once by eBay and once by Microsoft. Even so, the video chatting giant has reached a memorable plateau of 45 million users online at the same time. Despite a lot of competition in the video chatting market, Skype’s numbers are trending upward.