U.S. social media brands used most often 2015-2021

As of 2021, Facebook, recently rebranded as Meta, was the social media platform used most often by 47 percent of social networking users in the United States. In 2015, Facebook was the most used platform by 65 percent of social media users, demonstrating a decrease of almost 20 percent. During the same time frame, Instagram has continued to grow in popularity, with 18 percent of users saying it was their most often used platform in 2021, an increase of 11 percent since 2015. Snapchat was the most used platform by 14 percent of respondents in 2018 and has since continued to decline. In 2020, TikTok was the most accessed platform for three percent of users and by 2021 it had more than doubled to seven percent.