Twitter and Status Updating, Fall 2009 | Pew Internet & American Life Project
Encuesta Pew 2009.
the median age for Facebook is now 33, up from 26 in May 2008
stats for people using twitter facebook among adults
newest numbers. Annes summary: The median age for a Twitter user is 31. MySpace = 26. Facebook = 33. LinkedIn = 39. http://bit.ly/PIPtw (only American users)
Great info on average age of users per channel.