The oldest known living man is currently John Tinniswood of the United Kingdom.
He was born on August 26, 1912, making him 112 years and 71 days old as of November 5, 2024.
It's important to note that while John Tinniswood is the oldest man alive, the oldest person alive is Tomiko Itooka of Japan, who is older. This reflects a trend where the oldest women tend to live longer than the oldest men.