The Motion Picture Association of America (MPAA) offers the following voluntary film-rating system designed to provide guidance for parents about which films are suitable for children to see.

G: general audiences; suitable for all ages

PG: parental guidance; some material may not be suitable for children

PG-13: parents are strongly cautioned; some material may be inappropriate for children under 13

R: restricted; under 17s should only watch the film when accompanied by a parent or adult guardian

NC-17: not suitable for children under the age of 17

NR/Unrated: the film has not yet been rated by the MPAA