18 or more
I think it's 13
In order to create an account on Facebook, you need to be at least 13 years old.
how old do you have to be to sign up on facebook!
You have to be 13 years old to join Facebook.
The youngest you can be to get a facebook is about 13.
You have to be 13 to be on Facebook.
Facebook is 15 years old as of December 15, 2011.
Sorry, but you can't, however, Facebook should make a feature that allows users to go back to the old Facebook.
You have to be 13 years old or older to apply for Facebook!
you have to be 13 or over to join facebook
you have to be 11 up to have a facebook
Unfortunately, Facebook will not let you switch back from timeline to the old "wall" profile. :(