Which Social Media Do Adults Over 30 Use? [CHART] Posted by March 16, 2018March 16, 2018 Leave a comment on Which Social Media Do Adults Over 30 Use? [CHART] Social media has an age divide. A new study by Pew shows that just 10% of Americans over the age of 50 use Snapchat, while 68% of the same group are on Facebook. The numbers are similar for those 30-50.