Who is Online in 2011?

Seventy-eight percent of Americans aged 18 or older use the Internet, according to a 2011 survey by Pew Internet & American Life Project. By age, this is how many use the Internet...

Adults who use the Internet

Total: 78%
18-29: 95% 

30-49: 87%  

50-64: 74%  

65-plus: 42%  

Pew reports that 65 percent of Internet users are on a social networking site such as Facebook. By age, these are the percentages of Internet users who use social networking sites...

Internet users who use social networking sites
Total: 65%
18-29: 83%
30-49: 70%
50-64: 51%
65-plus: 33%

If you multiply the percentage who use the Internet by the percentage of Internet users who use social networking sites, then this is the percentage who use social networking sites by age...

Adults who use social networking sites

Total: 51%
18-29: 79% 

30-49: 61%

50-64: 38%

65-plus: 14%

As of May 2011, most adults under age 50 are on Facebook or another social networking site. Most adults aged 50 or older are not.

Source: Pew Internet & American Life Project, 65% of online adults use social networking sites