List of Billboard Hot 100 number ones of 1999

Santana and Rob Thomas' "Smooth" was the longest-running single of 1999, topping the chart for 10 consecutive weeks.

The Billboard Hot 100 is a chart that ranks the best singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single's weekly physical sales and airplays. There were 15 singles that topped the chart this year. The first of these, "I'm Your Angel" by R. Kelly and Celine Dion, spent two weeks at the top, concluding a six-week run that had begun in December 1998.

During the year, 11 acts had achieved a first U.S. number-one single, including: Britney Spears, Ricky Martin, Jennifer Lopez, Destiny's Child, Dru Hill, Kool Moe Dee, Christina Aguilera, Enrique Iglesias, Jay-Z, Santana, and Rob Thomas. The longest running number-one single is "Smooth" by Santana featuring Matchbox Twenty frontman Rob Thomas, which attained 12 weeks at number-one. Ten of those weeks were logged in 1999 and two additional weeks were logged in 2000.

TLC was the only act with more than one number one song, with them hitting the top twice.

Chart history

Pop singer Cher earned her first number-one single since 1974 and fifth overall when "Believe" topped the chart.

Pop singer Christina Aguilera earned her first U.S. number-one single, "Genie in a Bottle".

Spanish singer Enrique Iglesias earned his first U.S. number-one single with "Bailamos" which stayed for two consecutive weeks.

Pop singer Britney Spears earned her first U.S. number-one peak with "...Baby One More Time".

Singer Ricky Martin earned his first U.S. number-one single with "Livin' la Vida Loca".

Key

Template:Dagger

Indicates best-performing single of 1999

Template:Abbr	Issue date	Song	Artist(s)	Template:Abbr
836	January 2	"I'm Your Angel"	R. Kelly and Céline Dion	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	January 9			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
837	January 16	"Have You Ever?"	Brandy	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	January 23			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
838	January 30	"...Baby One More Time"	Britney Spears	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	February 6			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
839	February 13	"Angel of Mine"	Monica	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	February 20			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	February 27			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	March 6			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
840	March 13	"Believe"Template:Dagger	Cher	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	March 20			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	March 27			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	April 3			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
841	April 10	"No Scrubs"	TLC	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	April 17			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	April 24			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	May 1			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
842	May 8	"Livin' la Vida Loca"	Ricky Martin	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	May 15			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	May 22			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	May 29			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	June 5			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
843	June 12	"If You Had My Love"	Jennifer Lopez	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	June 19			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	June 26			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	July 3			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	July 10			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
844	July 17	"Bills, Bills, Bills"	Destiny's Child	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
845	July 24	"Wild Wild West"	Will Smith featuring Dru Hill and Kool Moe Dee	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
846	July 31	"Genie in a Bottle"	Christina Aguilera	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	August 7			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	August 14			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	August 21			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	August 28			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Template:Cite magazine</ref>
847	September 4	"Bailamos"	Enrique Iglesias	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	September 11			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
848	September 18	"Unpretty"	TLC	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	September 25			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	October 2			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
849	October 9	"Heartbreaker"	Mariah Carey featuring Jay-Z	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref><ref>Template:Cite magazineTemplate:Dead linkTemplate:Cbignore </ref>
	October 16			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
850	October 23	"Smooth"	Santana featuring Rob Thomas	<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	October 30			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	November 6			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	November 13			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	November 20			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	November 27			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	December 4			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	December 11			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	December 18			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>
	December 25			<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>

Number-one artists

List of number-one artists by total weeks at number one

Position	Artist	Weeks at No. 1
1	Santana	10
	Rob Thomas
3	TLC	7
4	Ricky Martin	5
	Jennifer Lopez
	Christina Aguilera
7	Monica	4
	Cher
9	R. Kelly	2
	Céline Dion
	Brandy
	Britney Spears
	Enrique Iglesias
	Mariah Carey
	Jay-Z
16	Destiny's Child	1
	Will Smith
	Dru Hill
	Kool Moe Dee

See also

• 1999 in music
• List of Billboard number-one singles
• Billboard Year-End Hot 100 singles of 1999
• List of Billboard Hot 100 top 10 singles in 1999
• List of Billboard Hot 100 number-one singles of the 1990s

Additional sources

• Fred Bronson's Billboard Book of Number 1 Hits, 5th Edition (Template:ISBN)
• Joel Whitburn's Top Pop Singles 1955-2008, 12 Edition (Template:ISBN)
• Joel Whitburn Presents the Billboard Hot 100 Charts: The Nineties (Template:ISBN)
• Additional information obtained can be verified within Billboard's online archive services and print editions of the magazine.