Australian Shane Watson is the premier one day international all-rounder after the official ICC ranking were released on Friday.
Watson moved into the top position for the first time following his brilliant performances in the recent three-match series against Bangladesh.
The 29-year-old scored 37, 185 not out and 72 at an incredible average of 147.
He leads Bangladesh skipper Shakib Al Hasan into the no.1 by a comfortable 44 point margin.
Watson has also moved up to fourth spot in the batting ranking. He is the highest ranked of the Australian players, with Mike Hussey in sixth, skipper Michael Clarke 11th and Ricky Ponting 16th.
Meanwhile, Mitchell Johnson's seven wickets in the series against Bangladesh has moved up seven places to sixth in the bowling rankings.
Brett Lee is the other Australia bowler who has improved his ranking, up three places into 20th spot.