No. 1 Rankings
May 13, 2018 — Justin Thomas
Feb. 19, 2017 — Dustin Johnson (64 weeks)
March 28, 2016 — Jason Day (47 weeks)
Nov. 8, 2015 — Jordan Spieth (20 weeks)
Oct. 18, 2015 — Jason Day (3 weeks)
Sept. 27, 2015 — Jordan Spieth (3 weeks)
Sept. 20, 2015 — Jason Day (1 week)
Sept. 13, 2015 — Rory McIlroy (1 week)
Sept. 8, 2015 — Jordan Spieth (1 week)
Aug. 30, 2015 — Rory McIlroy (1 week)
Aug. 16, 2015 — Jordan Spieth (2 weeks)
Aug 3, 2014 — Rory McIlroy (53 weeks)
May 18, 2014 — Adam Scott (11 weeks)
March 24, 2013 — Tiger Woods (60 weeks)
Aug. 12, 2012 — Rory McIlroy (32 weeks)
May 27, 2012 — Luke Donald (11 weeks)
May 6, 2012 — Rory McIlroy (3 weeks)
April 29, 2012 — Luke Donald (1 week)
April 15, 2012 — Rory McIlroy (2 weeks)
March 18, 2012 — Luke Donald (4 weeks)
March 4, 2012 — Rory McIlroy (2 weeks)
May 29, 2011 — Luke Donald (40 weeks)
April 24, 2011 — Lee Westwood (5 weeks)
Feb. 27, 2011 — Martin Kaymer (8 weeks)
Oct. 31, 2010 — Lee Westwood (17 weeks)
June 12, 2005 — Tiger Woods (281 weeks)
May 22, 2005 — Vijay Singh (3 weeks)
April 10, 2005 — Tiger Woods (6 weeks)
March 20, 2005 — Vijay Singh (3 weeks)
March 6, 2005 — Tiger Woods (2 weeks)
Sept. 6, 2004 — Vijay Singh (26 weeks)
Aug. 15, 1999 — Tiger Woods (264 weeks)
Aug. 8, 1999 — David Duval (1 week)
July 4, 1999 — Tiger Woods (5 weeks)
March 28, 1999 — David Duval (14 weeks)
June 14, 1998 — Tiger Woods (41 weeks)
May 17, 1998 — Ernie Els (4 weeks)
May 10, 1998 — Tiger Woods (1 week)
April 12, 1998 — Ernie Els (4 weeks)
Jan. 11, 1998 — Tiger Woods (13 weeks)
Sept. 7, 1997 — Greg Norman (18 weeks)
July 6, 1997 — Tiger Woods (9 weeks)
June 29, 1997 — Greg Norman (1 week)
June 22, 1997 — Ernie Els (1 week)
June 15, 1997 — Tiger Woods (1 week)
April 27, 1997 — Greg Norman (7 weeks)
April 20, 1997 — Tom Lehman (1 week)
June 18, 1995 — Greg Norman (96 weeks)
Aug. 14, 1994 — Nick Price (44 weeks)
Feb. 6, 1994 — Greg Norman (27 weeks)
July 19, 1992 — Nick Faldo (81 weeks)
April 5, 1992 — Fred Couples (15 weeks)
March 29, 1992 — Nick Faldo (1 week)
March 22, 1992 — Fred Couples (1 week)
April 7, 1991 — Ian Woosnam (50 weeks)
Feb. 3, 1991 — Nick Faldo (9 weeks)
Oct. 14, 1990 — Greg Norman (16 weeks)
Sept. 2, 1990 — Nick Faldo (6 weeks)
Aug. 20, 1989 — Greg Norman (54 weeks)
April 2, 1989 — Seve Ballesteros (20 weeks)
March 26, 1989 — Greg Norman (1 week)
Nov. 13, 1988 — Seve Ballesteros (19 weeks)
Nov. 6, 1988 — Greg Norman (1 week)
Oct. 30, 1988 — Seve Ballesteros (1 week)
Nov. 29, 1987 — Greg Norman (48 weeks)
Nov. 22, 1987 — Seve Ballesteros (1 week)
Sept. 14, 1986 — Greg Norman (62 weeks)
April 27, 1986 — Seve Ballesteros (20 weeks)
April 6, 1986 — Bernhard Langer (3 weeks)