Fastest global social networks to reach 1 billion MAU 2021

TikTok reported reaching 1 billion monthly active users in September 2021, becoming the most recent online platform to reach this milestone. It took the social network 5.1 years to cross 1 billion MAU. Facebook Messenger reached the same number of monthly active users within 4.9 years and remains the fastest social network worldwide to have done so. Facebook, the first social network with 1 billion monthly active users, took 8.7 years to reach this audience in 2013.