Experian-Share-of-US-Online-Time-by-Category-2012-v-2011-Apr201327% of Americans’ time spent online last year was spent accessing social networking sites and forums, says Experian Marketing Services in newly-released data. That’s the equivalent of 16 minutes of every hour spent online, ahead of time spent with entertainment 9 minutes; 15% share and shopping ~5 minutes; 9% share. But it isn’t all rosy news for social networking: that 27% share of time spent in the US is actually down from 30% in 2011. Social media’s share of online time also declined in the UK and Australia, by 3% each to 22% and 24%, respectively.

via SocNets in the USA: 27% of Online Time; 15% of Mobile Browsing Time.