Who has become the youngest world number one in golf history by reaching the top of the women’s ranking?

Question

Golfer Vijay Singh, who was number one in the Official World Golf Rankings for 32 weeks in 2004 and 2005, was born where?

Answer 1

South Korea-born New Zealander Lydia Ko became the youngest world number one in golf history by reaching the top of the women's rankings aged 17. Ko secured the number one ranking by finishing in a tie for second at the LPGA Coates Championship in Florida.