baby boomer
noun [ C ]
uk/ˈbeɪbiˌbuːmər/ us/-ɚ/ (US also boomer)a person born during a baby boom, especially the one in the US or UK between approximately 1945 and 1965:
Ageing baby boomers are creating a greater need for healthcare.
baby-boomer
adjective [ before noun ]
The baby-boomer generation is now hitting retirement age.