This is the 456th week atop the rankings for Woods.
Jim Furyk, Phil Mickelson, Ernie Els and Adam Scott once again rounded out the top five this week.
Padraig Harrington, Vijay Singh and Sergio Garcia remained in their places from last week, while Geoff Ogilvy jumped to ninth and Henrik Stenson fell to No. 10.
Luke Donald and K.J. Choi each climbed one spot to 11th and 12th, respectively. Rory Sabbatini dropped two as Steve Stricker stayed in 14th. Justin Rose hopped one to No. 15 and Masters champion Zach Johnson sunk one to 16.
Retief Goosen held on to the 17th place, followed by Trevor Immelman, who flew up two. U.S. Open winner Angel Cabrera and Paul Casey each fell one notch to complete the top 20.
Woody Austin finished second to Woods at Southern Hills and earned a spot on the American Presidents Cup team. He also shot up 41 places to No. 34 in this week's rankings.