age at death
Used in formal contexts such as obituaries, memorials, and news reports to state the age a person died. Often followed by a number, e.g. 享年65.
He died at the age of 82.
Passed away at the age of 65.
享 (receive, enjoy) + 年 (year). The compound originally referred to the years one 'received' or lived, and later specialized to mean the age at which one died.