Facebook reached a new milestone this week, topping more than a billion people who log onto the social network each month. Its population has doubled since reaching the 500 million milestone in July 2010.
Nearly half of the world’s 2.5 billion Internet users now use Facebook, according to the International Telecommunications Union.
Some general characteristics about the Facebook population:
Source: “Facebook Tops 1 Billion Users,” Associated Press (Oct. 4, 2012)