- In 2009, the average U.S. Internet user spent 13 hours per week online. This number is down slightly from last year. Thanks to the large interest in the presidential election and financial crisis
- The average Internet user was online for roughly 14 hours per week in 2008
- Overall, the average time online for U.S. Internet users has gone up from 7 hours in 1999 to close to 9 hours in 2003 and up to 11 hours in 2007.
- Users between 30 to 39 are the most active Internet users. On average, this group is online for 18 hours per week
Source: Harris Interactive