baby boomer

nacido durante la posguerra (1946-1965)

persona nacida en la posguerra (1946-1960)

nacido durante el boom natalicio de los sesenta, los nacidos tras la segunda guerra mundial

(n.) = persona nacida durante el baby boom
Ex: The author divides staff into 2 groups: 'baby boomers' (born 1946-1961) who grew up assuming full and secure employment but tend now to be technologically challenged; and 'baby busters' (born 1965-1975) who tend to be technological savants and are taking over the leadership from the older generation of librarians.