Singh moved up eight places to 47th in the world.
The top 14 places in the rankings remained unchanged from last week. Tiger Woods was again followed by Jim Furyk, Phil Mickelson, Adam Scott, Retief Goosen, Vijay Singh, Ernie Els, Padraig Harrington, Luke Donald, Sergio Garcia, Geoff Ogilvy, Henrik Stenson, Trevor Immelman and Paul Casey.
The first change in the rankings came at No. 15 with Colin Montgomerie up two places. David Howell slipped one to 16th, while Davis Love III inched up a spot to No. 17.
Jose Maria Olazabal also inched up one place to 18th, while David Toms tumbled three notches to 19th. Chris DiMarco closed out the top 20 again this week.
Nathan Green won the European Tour event in New Zealand and jumped 27 places to No. 83 in the world.