there are 1 billion members that have a facebook. Not all are currently being used though.
Half a billion people in the world are using Facebook at a monthly basis.
Facebook is a place or hub for interaction with friends and the world. This interaction is the reason of Facebook liking.
As of September 2011, 800 Million active users on Facebook
There are many people that do not have a Facebook account.
Facebook and Twitter are not a need. Many people use these free services because they can connect with school friends and other people across the world.
Over one millon people has a facebook
With all the people in the world I'd probably say about 2 million people per month
The counting reached 750 million in May,2011 which means that 1 in every 9 people in the world has a Facebook.
The counting reached 750 million in May,2011 which means that 1 in every 9 people in the world has a Facebook page.
there are over 2billion people on facebook
about 150,000 people were registered for facebook as of 2005
According to the latest statistics (Oct 2010), 500 million.