noun, adverb
later years; in future years; afterwards
Refers to a time in the future, often years later, or to a person's later life. Used both as a noun and adverbially.
後年、彼はその決断を後悔することになる。
In later years, he would come to regret that decision.
この出来事は後年に大きな影響を与えた。
This event had a great influence in later years.