Number of U.S. Facebook users 2018, by age

What age group uses Facebook most?

Overall, 25 to 34-year-olds made up the biggest demographic group of Facebook users in the United States. As of January 2018, there were 58.3 million U.S. Facebook users within that particular age range, far more than among any other age group.

Facebook user demographics in the United States

As of May 2019, 27.4 percent of Facebook users in the United States were aged 25 to 34 years. These are the former teenagers and young adults who signed up for a Facebook account during the company’s explosive growth during its first ten years and who are now in their mid-20s and 30s, and subsequently, Facebook is the social network of Millennials. Facebook’s audience in the U.S. is also largely female, with women accounting for almost 56 percent of users.

Facebook user engagement in the United States

With 244 million combined monthly active users in the United States and Canada, Facebook is the most popular social network in the United States. The online platform has become a part of daily online usage for millions of users. Facebook has hugely benefited from the strong growth of mobile social media usage, with its various apps generating strong engagement rates. The average number of monthly Facebook app sessions per user in the United States in March 2019 was 160 sessions, compared to 127 Snapchat sessions and 51 Twitter sessions per month.