noun, noun which may take the genitive case particle 'no'
same generation; same age group; coeval
Refers to people born around the same time, or to the fact of being in the same generation. Often used with の to modify nouns.
彼は私と同年代です。
He is the same generation as me.
同年代の人たちと話すのは楽しい。
It's fun to talk with people of the same generation.
He's about the same age as me.
I have a lot of friends around my age.
She's more composed compared to others her age.