Who are the youngest golfers to become No. 1 in the world?

Who are the youngest golfers to become No. 1 in the world?



Lydia Ko made history at the 2015 Coates Golf Championship, becoming, at 17 years old, the youngest golfer ever to hold the No. 1 in either the Official World Golf Ranking or the Rolex Rankings.

Of course, that made us wonder who the youngest players have been to hold No. 1 in both rankings, dating back to 1986 for the Official World Golf Ranking and to 2006 for the Rolex Rankings.

Youngest No. 1 Players in Official World Golf Ranking



  1. Tiger Woods -- June 15, 1997 -- 21 years, 5 months, 15 days
  2. Rory McIlroy -- March 4, 2012 -- 22 years, 10 months

Youngest No. 1 Players in Rolex Rankings

  1. Lydia Ko -- Feb. 1, 2015 -- 17 years, 9 months, 7 days
  2. Jiyai Shin -- May 3, 2010 -- 22 years, 5 days
  3. Yani Tseng -- Feb. 11, 2011 -- 22 years, 22 days

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