a group people having approximately the same age

The range of age to which a toy line is targeted and marketed. For example, the the target group for Spawn action figures, based on a more mature comic book, is considerably higher than for Teenage Mutant Ninja Turtles, which is aimed at a children's audience.

Division of swimmers according to age. Some LSC's have divided the swimmers into more convenient divisions specific to their situations: (i.e.) 8-under, 13-Over, 15-Over, Junior, Senior.

A division of swimmers according to age. The National Age Group divisions are: 10 & under, 11-12, 13-14, 15-16, and 17-18. Some LSCs have divided the swimmers into more convenient divisions specific to their situations, for example: 8 & under, 13 & over, 15 & over, Junior, or Senior.