Table - US Teen Smart Phone vs Tablet Users By Demographic

Both smartphone and tablet use saw a large leap among US teenagers ages 13 to 17 between 2012 and 2013, according to an October 2013 survey from the nonprofit Family Online Safety Institute (FOFSI) conducted by Hart Research Associates.

The poll found that smartphone penetration jumped to 64% in 2013, from 43% the previous year, among this age group. The climb in tablet use was just as dramatic, climbing to 67% in 2013 from 45% in 2012. The survey also found that smartphone penetration was highest among males ages 16 to 17, at 74%. Read the rest at eMarketer.