what age do you become a teenager
Confidence votes 167. You technicaly become a teenager at age 13, because it ends with teen, but puberty begins around 10 if you are going by when they hit puberty.IGHTEEN you are an adult at 18.     In every state, someone under the age of 18 is considered to be a minor and therefore under the control/authority of their paren â¦ ts.