Yasutaro Koide

Quick Facts: Who was Yasutaro Koide?

Subject:

Yasutaro Koide

Known for:

A notable Japanese supercentenarian who lived to 112 years, recognized for his longevity.

Born:

1903-03-13

Died:

2016-01-19

Century / Era:

1903s Historical Era Archive

Verified Source:

2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

Japanese supercentenarians are citizens, residents or emigrants from Japan who have attained or surpassed the age of 110 years. As of January 2015, the Gerontology Research Group (GRG) had validated the longevity claims of 263 Japanese supercentenarians, most of whom are women. As of 18 October 2026, the oldest-known living Japanese person is Fuyo Kishimoto (born in Hamasaka on 20 December 1911), who is aged 114 years, 302 days. The oldest verified Japanese and Asian person ever is Kane Tanaka (1903–2022), who lived to the age of 119 years and 107 days, making her the second-oldest validated person ever as well. Japan was also home to the world's oldest man ever, Jiroemon Kimura (1897–2013), who lived to the age of 116 years and 54 days.

Career & Major Achievements

Deceased Living Tane Ikai (猪飼たね, Ikai Tane; 18 January 1879 – 12 July 1995) had been, until her death, Japan's oldest person following the death of 114-year-old Waka Shirahama in 1992, while also being the first person in Japan to reach the ages of 115 and 116 and being the last Japanese person born in the 1870s. Tane Ikai was born in Aichi, Empire of Japan on 18 January 1879. She married at 20 and had three sons and a daughter. She separated from her husband in 1917 at the age of 38. On a typical day, Ikai would eat three meals of rice porridge.

Enduring Legacy & Impact

In 1968, at the age of 89, she moved into a nursing home where she was to live for the next 20 years. She played an active role in activities at the home and enjoyed making pottery and sewing until suffering her first stroke in 1978 at the age of 99. In 1988, at the age of 109, Ikai suffered another stroke and was moved to a hospital, where she remained bedridden for the rest of her life. She died of kidney failure on 12 July 1995. Denzō Ishizaki (石崎 伝蔵, Ishizaki Denzō; 2 October 1886 (or 1884?) – 29 April 1999) was an elementary school teacher and town assembly member in his hometown Kansago, Ibaraki Prefecture.

Chronological Milestones & Life Events

1. 1879: 1879 Milestone — Deceased Living Tane Ikai (猪飼たね, Ikai Tane; 18 January 1879 – 12 July 1995) had been, until her death, Japan's oldest person following the death of 114-year-old Waka Shirahama in 1992, while also being the first person in Japan to reach the ages of 115 and 116 and being the last Japanese person born in the 1870s.
2. 1886: 1886 Milestone — Denzō Ishizaki (石崎 伝蔵, Ishizaki Denzō; 2 October 1886 (or 1884?
3. 1897: 1897 Milestone — Japan was also home to the world's oldest man ever, Jiroemon Kimura (1897–2013), who lived to the age of 116 years and 54 days.
4. 1903 (1903-03-13): Birth of Yasutaro Koide — A notable Japanese supercentenarian who lived to 112 years, recognized for his longevity.
5. 1917: 1917 Milestone — She separated from her husband in 1917 at the age of 38.
6. 1968: 1968 Milestone — In 1968, at the age of 89, she moved into a nursing home where she was to live for the next 20 years.
7. 1978: 1978 Milestone — She played an active role in activities at the home and enjoyed making pottery and sewing until suffering her first stroke in 1978 at the age of 99.
8. 1988: 1988 Milestone — In 1988, at the age of 109, Ikai suffered another stroke and was moved to a hospital, where she remained bedridden for the rest of her life.
9. 1995: 1995 Milestone — She died of kidney failure on 12 July 1995.
10. 1999: 1999 Milestone — ) – 29 April 1999) was an elementary school teacher and town assembly member in his hometown Kansago, Ibaraki Prefecture.
11. 2015: 2015 Milestone — As of January 2015, the Gerontology Research Group (GRG) had validated the longevity claims of 263 Japanese supercentenarians, most of whom are women.
12. 2016 (2016-01-19): Passing & Historical Legacy — Yasutaro Koide passed away on 2016-01-19, leaving an enduring historical legacy.
13. 2026: 2026 Milestone — As of 18 October 2026, the oldest-known living Japanese person is Fuyo Kishimoto (born in Hamasaka on 20 December 1911), who is aged 114 years, 302 days.

Notable Quotes by Yasutaro Koide

“the best thing is to not overdo”

Historical Fact-Check Quiz: Yasutaro Koide

True or False: “Yasutaro Koide was the first person in Aichi Prefecture to become the oldest-living resident.”

Answer (FALSE ❌): Tane Ikai was previously noted for being the last Japanese person born in the 1870s and holding records before Koide's specific achievements.

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Frequently Asked Questions about Yasutaro Koide