the '90s; the nineties
Refers to the decade from 1990 to 1999. Commonly used in historical, cultural, or nostalgic contexts.
I like music from the '90s.
He was born in the nineties.
Standard kanji-numeral spelling for the decade.
Common ASCII numeral variant.
Compound of ９０ (ninety) and 年代 (decade, era). The reading きゅうじゅう is the standard on'yomi for 90.