The perfect start to the Road to Russia has seen the Socceroos raise 12 positions to become the 45th ranked team - which makes Ange Postecoglou's side the 2nd best team in Asia behind Iran (37th).
Japan dropped seven places to the 56th after a shock home defeat to the UAE in the first WCQ.
Argentina has retained top position from Belgium, with Brazil have climbed into the top in a tie with Colombia.
FIFA world rankings top 10