There were 293 210 100 Facebook users in United States of America in September 2025, which accounted for 84.9% of its entire population.
The majority of them were women - 53.1%.
People aged 25 to 34 were the largest user group (73 900 000).
The highest difference between men and women occurs within people aged 65 and above, where women lead by 15 500 000.