In New Jersey, it is illegal for an adult (someone 18 or older) to have sex with a minor (someone younger than 16), even if the sex is consensual.

Can a 16 year old date a 23 year old in New Jersey?

As a general matter, this means that a person who is 16 years old can generally consent to have sex with any adult, regardless of age. Like most other states, New Jerseys laws allow for consensual sex between minors below the age of consent, if they are close to the same age.

Can a 22 year old date a 17 year old in NJ?

Dating is not a crime. Its the sex that gets you in trouble. However, the age of consent in NJ is 16. No legal advice is given here.