Dictionary.com
definitions

age group

noun
  1. persons of approximately the same age and often of the same sex, nationality, educational or social background, etc.

Origin of age group

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for age-group

Historical Examples of age-group

  • The age-group 15 to 20 shows very curious variations in the relative mortality of males and females.

  • Also disturbing are statistics showing that most of those apprehended for it are in the eighteen-to-thirty-year age-group.

    Area Handbook for Bulgaria

    Eugene K. Keefe, Violeta D. Baluyut, William Giloane, Anne K. Long, James M. Moore, and Neda A. Walpole

Word Origin and History for age-group
n.

1904, originally a term in the science of demographics, from age (n.) + group (n.).

Online Etymology Dictionary, © 2010 Douglas Harper