Their S1 says their largest age group is users aged 18-24, beating out what I would assume is 13-18. https://www.bizjournals.com/losangeles/news/2017/04/03/sna

Their S1 says their largest age group is users aged 18-24, beating out what I would assume is 13-18. https://www.bizjournals.com/losangeles/news/2017/04/03/snapchat-users-aged-35-and-up-surge.html https://www.bizjournals.com/losangeles/news/2017/04/03/snapc... The above shows the split of users over 18, but isn't helpful is showing how many are age 13-17 and the proportions. https://www.statista.com/statistics/326452/snapchat-age-group-usa/ https://www.statista.com/statistics/326452/snapchat-age-grou... According to this, 80% of users are over 18, with over 50% falling into that 18-34 block.