List of Mainstream Top 40 number-one hits of 2005 (U.S.)

This list of number-one hits on the Mainstream Top 40 charts in 2005. They were published by the U.S. magazine Billboard. This year there were 13 leaders.

Nelly feat. Tim McGraw - Over and Over 11 weeks (November 6, 2004 - January 21, 2005 )

3 weeks ( January 29-February 18 )

2 weeks ( February 19-March 4 )

4 weeks ( March 5 to April 1 )

7 weeks ( April 2 to May 20 )

6 weeks ( May 21 to July 1 )

2 weeks ( September 10 to September 23 )

5 weeks ( September 24 to October 28 )

2 weeks ( November 5 to November 18 )

3 weeks ( November 19 to December 16, a total of 4 weeks)

6 weeks (December 17, 2005 - January 27, 2006 )

1, 2 Step Since U Been Gone Hollaback Girl Mariah Carey We Belong Together Shake It Off Jamie Foxx Run It! List of number-one Billboard Mainstream Top 40 hits List of Billboard Mainstream Top 40 number-one songs of the 1990s List of Mainstream Top 40 number-one hits of 1993 (U.S.) List of Mainstream Top 40 number-one hits of 1994 (U.S.) List of Mainstream Top 40 number-one hits of 1995 (U.S.) List of Mainstream Top 40 number-one hits of 1996 (U.S.) List of Mainstream Top 40 number-one hits of 1997 (U.S.) List of Mainstream Top 40 number-one hits of 1998 (U.S.) List of Mainstream Top 40 number-one hits of 1999 (U.S.) List of Mainstream Top 40 number-one hits of 2000 (U.S.) List of Mainstream Top 40 number-one hits of 2001 (U.S.) List of Mainstream Top 40 number-one hits of 2002 (U.S.) List of Mainstream Top 40 number-one hits of 2003 (U.S.) List of Mainstream Top 40 number-one hits of 2004 (U.S.) List of Mainstream Top 40 number-one hits of 2006 (U.S.) List of Mainstream Top 40 number-one hits of 2007 (U.S.) List of Mainstream Top 40 number-one hits of 2008 (U.S.) List of Mainstream Top 40 number-one hits of 2009 (U.S.) List of Mainstream Top 40 number-one hits of 2010 (U.S.) List of Mainstream Top 40 number-one hits of 2011 (U.S.) List of Mainstream Top 40 number-one hits of 2012 (U.S.)

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