US Social Network User Penetration, by Platform, 2018 (% of internet users)
71.2% of US internet users access social media sites at least once per month. Facebook leads all social network sites with 60.6% penetration. The mobile-based Instagram has 37.4% penetration and 30.9% of internet users access Snapchat.
Social networks are sites where the primary activities involve creating a profile and interacting with a network of contacts by sharing status updates, comments, photos or other content.
Estimates are based on the analysis of survey and traffic data from research firms and regulatory agencies; the growth trajectory of major social networks; historical trends; internet and mobile adoption trends; and country-specific demographic and socioeconomic factors.