Jiroemon Kimura
After he finished school at the age of 14, he worked for local post offices for over 45 years until he retired in 1962 at the age of 65, and thereafter worked until age 90 as a farmer along with his eldest son, who died at age 76 in September 1998, less than 4 weeks after his youngest son, who died at age 54. In the 1920s, he also worked as a government communications worker in Korea, which was at the time a colony of Japan.