Facebook now reaches one in two attainable users each day, though North American growth is stalling

An overview of Facebook's ad revenue growth, daily active user growth and its share of attainable internet users and of all internet users, 2012 to 2018.

Facebook now reaches 51.8% of its attainable user base, defined as global internet users excluding markets where the social network is blocked. This is up from a share of 49.3% in 2017, and equates to 1.48bn active users per day. While Chinese users to Facebook’s ad income.