For heterosexual sex, the military says 16 years of age. However, jan159 is incorrect. Depending on the state that you live in, the age could be lower or higher than 16 years. On the other hand, oral sex is sex despite what Clinton may think.
Give me your state, and I'll try to help you out.
A$$ Saver aka…
Disclaimer:
I hope this is tidbit of fiction is helpful. I am not an attorney. Do not perceive this as legal advice. You should consult an attorney to answer your questions. Do not rely on this advice. Forget you ever read it. You are not a client. I am not an attorney. This is merely babble in the wind. Never use the advice as reasoning in court.