Facebook’s greatest asset is its social media footprint, which is incredibly vast and growing. The best way to appreciate Facebook’s social media reach is to take a look at Statista’s chart of the top 10 social media solutions in the world. Four of them are Facebook products, including Facebook itself with 1.55 billion users, WhatsApp with 900 million users, Facebook Messenger with 700 million users and Instagram with 400 million users.