Its impossible to find the exact amount of people who own Facebook Accounts because more and more people make them each day, and more and more get deleted. But I can say that there is at least over 18 million, most likely even more, much more.
As of December 2011, there are 845 million active members of Facebook worldwide.
As of July,2011 there are 750 million accounts on facebook,which means that every one in 11 people on Earth has a Facebook.
As of September 2011, 800 Million active users on Facebook
In July 2011 Facebook-750 Million members Twitter-100 Million members
1 in 13 people (approx. 500 million people) had a Facebook account as of Jan 2011, with over half of them logging in every day.
There are many people that do not have a Facebook account.
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.
I'm sure there are lots of them. The counting reached 750 million in May,2011 which means that 1 in every 9 people in the world has a Facebook.
about 478.2 million by 2011
Over one millon people has a facebook
there are over 2billion people on facebook