Do you think this would be a weird age gap or not? Where I am, it's legal to have sex when you're 16 so that wouldn't be an issue but you are only classed as an .... Yes, that is not illegal. 16 is the age of consent. Related Articles. Teen Girls Having Fun. Goals and Behaviors Parents Can Expect From Their Teenagers. Reviewed by Ann-Louise T. Lockhart, PsyD, ABPP.. 9yo Girl With 17yo Boy.avi >>..