ˈage group BrE AmE noun [countable]
the people between two particular ages, considered as a group
in the ... age group
a book for children in the 12–14 age group
ˈage group BrE AmE noun [countable]
the people between two particular ages, considered as a group
in the ... age group
a book for children in the 12–14 age group
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012