It depends on how you define relationship. If you are referring to any sexual contact, no, it is not legal. It would be statutory rape and a felony crime.
NO! That pedifile
it is legal
no
It's legal if they're brother and sister, maybe.
Yes!
Yes.
NO, it is not legal, it is against the law.
Yes, the legal age for a relationship is 18. In many places, the parent consent is 16.
I think an abstinent relationship is legal anywhere between anyone.
In Iowa, the age of consent is 16. Thus, a 19-year-old dating a 15-year-old would not be legal as the 15-year-old is under the age of consent. It is important to be aware of the legal implications of such relationships and to prioritize the well-being and safety of both individuals involved.
No, you should get arrested.
it depends what state you live in