1. Facebook has more monthly users (1.32 billion) than India—the world's second-most populous country—has people (1.24 billion). As of 2012, China had 1.35 billion people.
2. There are more than one trillion posts on Facebook.
3. At 1.35 billion, Facebook has more monthly active users than WhatsApp (500 million), Twitter (255 million) and Instagram (200 million)—combined. The social giant spent $20 billion over the last two years on WhatsApp and Instagram.