Their older millennial counterparts-25- to 34-year-olds-had the second-largest share of users, though one nearly 20 percentage points lower, leaving the 35-and-older group with just 30% share. Based on recent research by comScore Media Metrix, Snapchat usage skews heavily toward this group.Īccording to the December 2014 study, internet users ages 18 to 24 accounted for 45% of Snapchat users in the US. This year, 95.0% of 18-to-24-year-old internet users in the US will log on to a social network via any device at least once per month, eMarketer estimates-the highest penetration among any other age range.