Case study – The validation of Juan Vicente Pérez Mora (1909-2024)
Susumu Segō was born in Japan on 2 October 1912.
Susumu Segō passed away in Awaji, Hyōgo Prefecture, Japan, on 17 November 2022, at the age of 110 years, 46 days.
On 18 April 2020, following the death of 108-year-old Susumu Kawata (Japanese: 河田進) of Awaji, he became the oldest living man in Hyōgo Prefecture.
Following the death of 111-year-old Shigeru Nakamura on 15 November 2022, he became the third-oldest known living man in Japan, behind Gisaburō Sonobe and anonymous man of Shinagawa (Tokyo).
His age was verified by Japan’s Ministry of Health, Labour, and Welfare (MHLW), as well as Ryohei Asano, Yu Li, and Yumi Yamamoto, and validated by LongeviQuest on 10 December 2023.
* Hyōgo Prefecture Press Release