It is legal to get a body piercing at age 14 in the United States, except in Mississippi and South Carolina. A number of other states require the written consent of a parent or guardian.
States have the power to enact regulations regarding tattooing and body piercing for minors. There are 35 states that require individuals under the age of 18 to have a parent or legal guardian's written consent for body piercings. Sixteen states require the presence of a minor's parent or guardian to obtain a body piercing.
Mississippi prohibits all minors from obtaining a piercing, even with consent. South Carolina prohibits piercings for all minors, and requires written consent for individuals between the ages of 18 and 21.