According to the new Nielsen ratings released today, users spend and average of 7 hours per month on the social media and social networking site Facebook! Back in June 2009, Nielsen estimated that the average U.S. user spent 4 hours and 39 minutes on Facebook per month. That’s about 9.3 minutes per day in a 30 day month. In August, that number rose to 5 hours and 46 minutes, or 11.5 minutes per day. In January 2010 though, the amount of time the average person spent on Facebook jumped to over 7 hours. Each American Facebook user spent an average of 421 minutes on Facebook per month, which amounts to over 14 minutes per day.