18 rating refers to a type of age-based content rating that applies to media entertainment, such as films, television shows and computer games. The following articles document the rating across a range of countries and mediums:
Motion picture content rating system, a range of classification systems for films that commonly use the age 18 as part of its regulatory criteria
Television content rating system, a range of classification systems for television broadcasts that commonly use the age 18 as part of its regulatory criteria
Video game content rating system, a range of classification systems for video games that commonly use the age 18 as part of its regulatory criteria
Mobile software content rating system, a range of classification systems for mobile software that commonly use the age 18 as part of its regulatory criteria