2 ms·I agree. I have a 13 year old and she has a facebook account which she doesn't use.by singingfish 13y agoI agree. I have a 13 year old and she has a facebook account which she doesn't use.threeseed 13y agoAnd yet I know a 13 year old that does. So by our combined data set I believe we can safely extrapolate that 50% of all 13-year olds across the world use Facebook.MrBra 13y ago:) smartcasm