U.S. Gen Z and Millennials social media brand usage 2019-2021

As of January 2021, 57 percent of 12 to 34 year olds in the United States were using Facebook, this is a decrease of seven percent on the previous year. Overall, 70 percent of those aged between 12 and 34 years were using Instagram, which is a two percent increase from 2020 and a four percent increase since 2019. As of 2021, Pinterest and LinkedIn both steadily increased their user base since 2019 amongst this age group in the United States. TikTok had the largest growth in audience, rising from 25 percent in 2020 to 44 percent in 2021.