The oldest man on the planet, Chitetsu Watanabe, who lived in Japan, died at the age of 112.
He spent the last years of his life in a shelter for the elderly in Niigata Prefecture. Two weeks before his death, Watanabe, the oldest man on earth, got included in the Guinness Book of Records.
Watanabe was born on March 5, 1907. At the age of 20, he moved to Taiwan, and after 18 years, he returned to Japan.
Before Watanabe, the oldest man on the planet was Masazo Nonaka, who was from Japan as well. Masazo died on January 20, 2019, at the age of 113.