Who was the youngest number one ever in the Official World Golf Rankings for men?

Tiger Woods was 21 years, 167 days old when he first became world number one on June 15, 1997

More about Tiger Woods Official World Golf Rankings

Tiger Woods was born on 30 December 1975 and turned pro in 1996.

Tiger Woods also holds the most weeks at number one, 683 weeks.

Rory McIlroy became the second youngest male golfer to hold the number one spot on March 4, 2012 at 22 years, 312 days.

Who was the youngest number one ever in the Official World Golf Rankings for women?