43 Million People Became Single on Facebook Last Year 18.31K Adrian Chen 01/02/11 11:46AM Filed to: Stats Stats Facebook Valleywag relationship status shutterstock 43,869,800 people changed their relationship status to "single" on Facebook in 2010. But just 28,460,516 people changed their status to "in a relationship." So, there are like 15 million Facebook users out there for the taking.