eMarketer estimates that overall, 75.7% of the population goes online at least monthly, and penetration is even higher among younger demographic groups.
Among Gen Xers, for example—defined as people born between 1965 and 1980—88.8% were monthly internet users as of December 2012, according to eMarketer estimates. Gen Xers are also highly connected on the go, with nearly 95% using mobile phones, and 60.3% of that group using smartphones. In 2012, 38.4 million Gen Xers, or 62.2% of Gen X mobile users, used the mobile internet at least monthly. That accounts for three in 10 mobile internet users in the US .
