Share of box office gross in Ireland & the UK 2010-2021, by BBFC's age-based rating

* The British Board of Film Classification classifies movies as follows:
- U (Universal): suitable for all;
- PG (Parental Guidance): general viewing, but some scenes may be unsuitable for young children;
- 12A: no one younger than 12 may see a it in a theater unless accompanied by an adult;
- 15: no one younger than 15 may see a it in a theater;
- 18: no one younger than 18 may see a it in a theater.

Missing percentage points to 100 percent are probably due to rounding.
Data preceding 2020 was retrieved from earlier releases.