Tomiichi Murayama
Tomiichi Murayama was the oldest to acquire this distinction at the age of 95 years, and 217 days. Nobusuke Kishi, who was 90 years, and 297 days old when he died on 7 August 1987 is the oldest prime minister to die without ever acquiring this distinction. Tsutomu Hata, who was 82 years, and 4 days old when he died on 28 August 2017 is the most recent prime minister to die without ever acquiring this distinction.