"The highlights of the survey, conducted in July among 20,000-plus mobile phone owners age 13 and older:Nielsen: 58% of American teens 13-17 now own smartphones - Apple 2.0 - Fortune Tech
58% of teenagers now own a smartphone, up from 36% last year
74% of 25-34 year olds own one, up from 59% in July 2011
Overall, 55.5% of mobile phone subscribers in the U.S. own smartphones, up from 41%"
Tuesday, September 11, 2012
Nielsen: 58% of American teens 13-17 now own smartphones - Apple 2.0 - Fortune Tech
See the full article for more Nielsen survey stats