Ratings in US

TV Rating:


Film Rating:
由MPAA（Motion Picture Association of America）制定，

G级： （GENERAL AUDIENCES All ages admitted.）大众级，所有年龄均可观看大众级，适合所有年龄段的人观看——该级别的电影内容可以被父母接受，影片没有裸体、性爱场面，吸毒和暴力场面非常少。对话也是日常生活中可以经常接触到的；
PG级：（ PARENTAL GUIDANCE SUGGESTED Some material may not be suitable for children.）普通级， 建议在父母的陪伴下观看，有些镜头可能让而用产生不适感.辅导级，一些内容可能不适合儿童观看——该级别的电影基本没有性爱、吸毒和裸体场面，即使有时间也很短，此外，恐怖和暴力场面不会超出适度的范围；
PG-13级：（PARENTS STRONGLY CAUTIONED Some material may be inappropriate for children under 13. ）普通级，但不适于13岁以下儿童.特别辅导级，13岁以下儿童尤其要有父母陪同观看，一些内容对儿童很不适宜——该级别的电影没有粗野的持续暴力镜头，一般没有裸体镜头，有时回游吸毒镜头和脏话；
R级：（RESTRICTED Under 17 requires accompanying parent or adult guardian.） 限制级，17岁以下必须由父母或者监护陪伴才能观看．限制级，17岁以下观众要求有父母或承认陪同观看——该级别的影片包含成人内容，里面有较多的性爱、暴力、吸毒等场面和脏话；
NC-17级： （NO ONE 17 AND UNDER ADMITTED ）17岁或者以下不可观看 17岁以下观众禁止观看——该级别的影片被定为成人影片，未成年人坚决被禁止观看。影片中有清楚的性爱场面，大量的吸毒或暴力镜头以及脏话等。

This is the current list of MPAA's ratings:

If a movie is rated G, all ages can see. There is no (or limited) violence, sexual content, or language.
If a movie is rated PG, then it may contain some violence or language.
If a movie is rated PG-13, then it may contain violence, some sexual content, and/or language. Children under 13 should not see it.
If a movie is rated R, then it may contain disturbing images or content and strong language or sexual content. People under 17 should not see it, and must be with an accompanying parent or adult guardian when watching an R-Rated film in a cinema.
If a movie is rated NC-17, then it may have explicit violence, explicit sexual content, or very strong language. People ages 17 and under are not admitted to an NC-17 rated film in a cinema.