We use the Motion Picture Association of America's (MPAA) rating system. The first five in the list below are the MPAA's categories. The last item is three categories that are also encountered.
- G general audiences - all ages admitted
- PG parental guidance suggested - some material may not be suitable for children
- PG-13 parents strongly cautioned - some material may be inappropriate for children under 13
- R restricted - under 17 requires accompanying parent or adult guardian
- NC-17 no one 17 and under admitted
- NR or U or UN not rated or unrated (usually the case with foreign language, or non-American made, films)