youth culture
Refers to the customs, values, fashion, music, and lifestyle shared by young people, often as a distinct subculture.
Japanese youth culture is popular even overseas.
He is knowledgeable about youth culture.
A broader term for subculture, not limited to young people. 若者文化 specifically refers to youth-oriented culture.
Refers specifically to youth slang or language, a subset of youth culture.
Compound of 若者 (young person) and 文化 (culture). A straightforward modern term with no obscure historical derivation.