pre-babyboomers
Refers to the generation born in Japan between 1943 and 1946, just before the post-war baby boom (団塊の世代). Used in demographic and social contexts.
The pre-babyboomer generation is the generation born during the post-war turmoil.
The demographics of the pre-babyboomer generation are attracting attention.
Refers to the baby boomer generation born between 1947 and 1949 in Japan, immediately following the pre-babyboomers.
Compound of プレ (pre-) and 団塊世代 (baby boomer generation). The term 団塊世代 itself comes from the 1976 novel '団塊の世代' by Sakyo Komatsu.