More than 800 million registered users (active).
Over a billion registered users (active + inactive).
According to Facebook, there are currently 500 million active Facebook users. That's about 200 million more people than number registered users on RuneScape. Also about 494 million more people than number registered users on Minecraft. More recent studies show facebook have now over 750,000,000. July 2011
1 billion
As of September 2011, 800 Million active users on Facebook
As of June 6, 2011, there were over 50 million registered Moshi Monsters users.
Currently, Punsr does not publish how many users are currently registered to their service. It is unable to estimate how many users have registered or have active accounts without this information.
Facebook is not disclosing information about users who have access to Questions. However according to Facebook's page regarding the Questions feature, those who live in the United States will receive Questions access within a few weeks (As of February 4th, 2011)
about 150,000 people were registered for facebook as of 2005
32
in December 2005 facebook reaches more than 5.5 million active users
1 million
In June 2010, there were approximately 7,547,500 users on Facebook.
Facebook has several hundred-million users, as RuneScape only has a total amount of about 70million users.