Monthly Facebook users refers to the number of individuals who actively use the popular social media platform, Facebook, at least once a month. This metric is often used to measure the reach and engagement of the platform, as well as its overall popularity and growth. It includes both personal and business accounts, and encompasses a diverse range of users from all around the world. With over 2.8 billion monthly active users as of 2021, Facebook remains one of the largest and most influential social media platforms in the world.