List of Billboard Mainstream Top 40 number-one songs of 2005

This is a list of songs which reached number one on the Billboard Mainstream Top 40 chart in 2005.

During 2005, a total of 13 singles hit number-one on the charts.

Chart history

Issue date	Song	Artist(s)	Ref.
January 1	"Over and Over"	Nelly featuring Tim McGraw	[1]
January 8			[2]
January 15			[3]
January 22	"I Don't Want to Be"	Gavin DeGraw	[4]
January 29	"Let Me Love You"	Mario	[5]
February 5			[6]
February 12			[7]
February 19	"1, 2 Step"	Ciara featuring Missy Elliott	[8]
February 26			[9]
March 5	"Boulevard of Broken Dreams"	Green Day	[10]
March 12			[11]
March 19			[12]
March 26			[13]
April 2	"Since U Been Gone"†	Kelly Clarkson	[14]
April 9			[15]
April 16			[16]
April 23			[17]
April 30			[18]
May 7			[19]
May 14			[20]
May 21	"Hollaback Girl"	Gwen Stefani	[21]
May 28			[22]
June 4			[23]
June 11			[24]
June 18			[25]
June 25			[26]
July 2	"We Belong Together"	Mariah Carey	[27]
July 9			[28]
July 16			[29]
July 23			[30]
July 30			[31]
August 6			[32]
August 13			[33]
August 20			[34]
August 27			[35]
September 3			[36]
September 10	"Listen to Your Heart"	D.H.T. featuring Edmée	[37]
September 17			[38]
September 24	"Shake It Off"	Mariah Carey	[39]
October 1			[40]
October 8			[41]
October 15			[42]
October 22			[43]
October 29	"Because of You"	Kelly Clarkson	[44]
November 5	"Gold Digger"	Kanye West featuring Jamie Foxx	[45]
November 12			[46]
November 19	"Because of You"	Kelly Clarkson	[47]
November 26			[48]
December 3			[49]
December 10	"Run It!"	Chris Brown featuring Juelz Santana	[50]
December 17			[51]
December 24			[52]
December 31			[53]

See also

• 2005 in music