Jūzō Kōno (Japanese: 河野重三) is a Japanese supercentenarian whose age has been validated by LongeviQuest. He is currently the oldest living man in Ehime prefecture.
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In March 2026, while celebrating his 110th birthday. (Source: Hassei News).
Supercentenarian Profile
Jūzō Kōno (河野重三)
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BIOGRAPHY
Jūzō Kōno (河野重三) was born on 31 March 1916 in Japan.
He worked for an organization in Yawatahama City and continued working for another company until the age of 81.
On 31 March 2026, he celebrated his 110th birthday, and local children visited his home to congratulate him. At 110 years old, he continued to enjoy a range of hobbies, including coloring, composing senryu, and watching sumo and baseball. At the time, he said that the key to staying healthy is to eat well and sleep well.
In September 2026, it was reported that he usually attended a day-care center and lived at home with his family, enjoying watching sumo wrestling and baseball on television. According to his family, he had kept all his teeth and ate everything without being a picky eater.
He currently lives in Yawatahama City, Ehime Prefecture, Japan.
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RECOGNITION
His age was verified by Yawatahama City and Ryohei Asano, and validated by LongeviQuest on 22 April 2026.
ATTRIBUTION
* “長寿のお祝い記念品贈呈” – Yawatahama City, November 2024
* “豊かな人生に敬意を込めて長寿のお祝い記念品贈呈” – Yawatahama City, November 2025
* “はつらつ110歳「よく寝てよく食べる」 八幡浜・県内最高齢の河野さん” – Yawatahama Shimbun, 17 September 2026
GALLERY
With the Yawatahama City Mayor, Ichiro Oshiro, while celebrating his longevity in September 2024, aged 108. (Source: Yawatahama City).
With the Yawatahama City Mayor, Ichiro Oshiro, while celebrating his longevity in September 2025, aged 109. (Source: Yawatahama City).
While talking with Mayor Ichiro Oshiro on the afternoon of the 17th September 2026, at age 110, in Miyauchi, Honai-cho, Yawatahama City. (Source: Ehime Shimbun)
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