age group; age range; age bracket
Used in demographic, marketing, and survey contexts to refer to a segment of the population defined by age.
This product is popular with a wide range of age groups.
The survey targeted the age bracket from the 20s to the 40s.
This drama is popular across a wide range of age groups.
This product targets a younger age group.
The participants at this event skew toward an older age group.
The age group varies from region to region.