The Official World Golf Ranking was introduced in 1986. Since its introduction, 21 different players have been ranked No. 1 in the world.
Nick Faldo
97 weeks
Faldo was just the fourth player to ever earn the No. 1 ranking, doing it for the first time in 1990. After finishing No. 2 in the world for three straight years, Faldo took the No. 1 spot for the third time in July 1992 and held it until February of 1994. He won three Open Championships and three Masters titles.