List of number-one singles in Australia in 2009 List of Hot 100 number-one singles of 2009 (Canada) List of European number-one hits of 2009 List of number-one singles from the 2000s (UK) List of number-one R&B hits of 2009 (UK) List of Hot 100 number-one singles of 2009 (U.S.) List of Mainstream Top 40 number-one hits of 2009 (U.S.) Ultratop 40 number-one hits of 2009 Ultratop 50 number-one hits of 2009