M films are recommended for people aged 15 or older. A person needs to be 15 or older to see an MA 15+ film. The content is strong and unsuitable for people aged under 15. However people under 15 can see an MA 15+ film if accompanied by their parent or an adult guardian.

R means no one under the age of 17 can watch without a guardian, TV-MA means no one under the age 18 can watch without a guardian, and NC-17 means no one age 17 and under is admitted to a film with this rating.