The legality of sexual activity among teenagers varies significantly depending on the jurisdiction and specific circumstances. In many places, there are laws regarding the age of consent, which is the age at which an individual is considered legally capable of consenting to sexual activity. If individuals engage in sexual activity where one or both parties are below the age of consent, it may be classified as a crime, such as statutory rape.
In some areas, there may be close-in-age exemptions (often referred to as "Romeo and Juliet" laws), which allow for certain legal protections for teens who engage in consensual sexual activity with each other when they are close in age.
It's essential to be aware of local laws regarding these matters, as they can vary widely. If you have specific questions about the law in your area or situation, it may be helpful to consult local legal resources or professionals.