We should know the fact that Facebook itself catagorically mentioned in its user policy that minimum age of using Facebook is 13 years but here even 8-9 years old use social media But if they do so,parental guidence is necessary.They should guide their children how to use the social media properly such as don’t except friends request from unknown.Always keep the profile private instead of public,don’t reveal actual adress,mobile or school location.
Always remember pedophiles are active in cyber world they may get in touch with children by using fake profile and hide their age.