World's oldest man, who said secret was smiling, dies at 112 February 24, 2020 at 08:53PM

Chitetsu Watanabe whom Guinness World Records recognised as the world's oldest man has died at 112. The Japanese man is survived by five children, 12 grandchildren, 16 great-grandchildren and one great-great-grandchild. Watanabe used to say the secret to longevity was to keep smiling. The oldest living person is also Japanese, Kane Tanaka, a 117-year-old woman.