There were 278 212 400 Facebook users in United States of America in December 2023, which accounted for 81.1% of its entire population.
The majority of them were women - 54.1%.
People aged 25 to 34 were the largest user group (67 500 000).
The highest difference between men and women occurs within people aged 65 and above, where women lead by 12 600 000.