Kiyotaka Mizuno was born in Iwata, Shizuoka Prefecture, Japan, on 14 March 1914. He has lived through four eras: Taisho, Showa, Heisei, and Reiwa.
In his youth, Mizuno served as a guard for the Emperor and was stationed at the Imperial Palace during the February 26 Incident in 1936, an attempted military coup in Tokyo led by young army officers seeking political reform. Later, during World War II, he was deployed to the continent, where he narrowly escaped death before returning to Iwata.
After the war, Mizuno became a farmer, producing crops such as taro and white onions, and continued his agricultural work until the age of 80.
Now 111 years old, Mr. Mizuno continues to live at home with his eldest son, daughter-in-law, and grandchild, requiring only minimal care.
On 23 November 2021, following the death of 107-year-old Kentaro Muramatsu of Yaizu City, he became the oldest living man in Shizuoka Prefecture.
On 21 August 2024, following the death of 110-year-old anonymous man of Tokyo pr., he became the oldest living man in Japan.
As of 23 April 2025, he lives in Iwata, Shizuoka Prefecture, Japan as one of the 10 validated World's OLM.
At around 20 years old.
On his 108th birthday in 2022.
Aged 110 on 13 September 2024.
On his 111th birthday in 2025.
http://www.supercentenariditalia.it/persone-viventi-piu-longeve-in-italia.
Persone viventi più longeve in Italia – Supercentenari d'Italia (supercentenariditalia.it)