Many countries have a film rating system to help parents determine which movies their children can watch. The systems usually use age to rate the movies.
The United Kingdom use the British Board of Film Classification film rating system.
The United States use the Motion Picture Association of America film rating system.
Australia uses the Australian Classification Board film rating system.
Canada uses the Canadian Home Video Rating System.
Japan uses the Eirin.
Ukraine uses the Ukrainian State Film Agency film rating system.