List of Billboard Hot 100 number ones of 1999 explained

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

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Indicates best-performing single of 1999

width=31		Issue date	Song	Artist(s)
bgcolor=#EDEAE0 align=center rowspan=2	836	January 2	"I'm Your Angel"	R. Kelly and Céline Dion	^[1]
January 9	^[2]
bgcolor=#EDEAE0 align=center rowspan=2	837	January 16	"Have You Ever?"	Brandy	^[3]
January 23	^[4]
bgcolor=#EDEAE0 align=center rowspan=2	838	January 30	"...Baby One More Time"	Britney Spears	^[5]
February 6	^[6]
bgcolor=#EDEAE0 align=center rowspan=4	839	February 13	"Angel of Mine"	Monica	^[7]
February 20	^[8]
February 27	^[9]
March 6	^[10]
bgcolor=#EDEAE0 align=center rowspan=4	840	March 13	bgcolor=#FFFF99 align="center" rowspan="4"	"Believe"	Cher	^[11]
March 20	^[12]
March 27	^[13]
April 3	^[14]
bgcolor=#EDEAE0 align=center rowspan=4	841	April 10	"No Scrubs"	TLC	^[15]
April 17	^[16]
April 24	^[17]
May 1	^[18]
bgcolor=#EDEAE0 align=center rowspan=5	842	May 8	"Livin' la Vida Loca"	Ricky Martin	^[19]
May 15	^[20]
May 22	^[21]
May 29	^[22]
June 5	^[23]
bgcolor=#EDEAE0 align=center rowspan=5	843	June 12	"If You Had My Love"	Jennifer Lopez	^[24]
June 19	^[25]
June 26	^[26]
July 3	^[27]
July 10	^[28]
bgcolor=#EDEAE0 align=center	844	July 17	"Bills, Bills, Bills"	Destiny's Child	^[29]
bgcolor=#EDEAE0 align=center	845	July 24	"Wild Wild West"	Will Smith featuring Dru Hill and Kool Moe Dee	^[30]
bgcolor=#EDEAE0 align=center rowspan=5	846	July 31	"Genie in a Bottle"	Christina Aguilera	^[31]
August 7	^[32]
August 14	^[33]
August 21	^[34]
August 28	^[35] ^[36]
bgcolor=#EDEAE0 align=center rowspan=2	847	September 4	"Bailamos"	Enrique Iglesias	^[37]
September 11	^[38]
bgcolor=#EDEAE0 align=center rowspan=3	848	September 18	"Unpretty"	TLC	^[39]
September 25	^[40]
October 2	^[41]
bgcolor=#EDEAE0 align=center rowspan=2	849	October 9	"Heartbreaker"	Mariah Carey featuring Jay-Z	^[42] ^[43]
October 16	^[44]
bgcolor=#EDEAE0 align=center rowspan=10	850	October 23	"Smooth"	Santana featuring Rob Thomas	^[45]
October 30	^[46]
November 6	^[47]
November 13	^[48]
November 20	^[49]
November 27	^[50]
December 4	^[51]
December 11	^[52]
December 18	^[53]
December 25	^[54]

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
• Joel Whitburn's Top Pop Singles 1955-2008, 12 Edition
• Joel Whitburn Presents the Billboard Hot 100 Charts: The Nineties
• Additional information obtained can be verified within Billboard's online archive services and print editions of the magazine.

Notes and References

1. Web site: January 2, 1999. .
2. Web site: January 9, 1999. .
3. Web site: January 16, 1999. .
4. Web site: January 23, 1999. .
5. Web site: January 30, 1999. .
6. Web site: February 6, 1999. .
7. Web site: February 13, 1999. .
8. Web site: February 20, 1999. .
9. Web site: February 27, 1999. .
10. Web site: March 6, 1999. .
11. Web site: March 13, 1999. .
12. Web site: March 20, 1999. .
13. Web site: March 27, 1999. .
14. Web site: April 3, 1999. .
15. Web site: April 10, 1999. .
16. Web site: April 17, 1999. .
17. Web site: April 24, 1999. .
18. Web site: May 1, 1999. .
19. Web site: May 8, 1999. .
20. Web site: May 15, 1999. .
21. Web site: May 22, 1999. .
22. Web site: May 29, 1999. .
23. Web site: June 5, 1999. .
24. Web site: June 12, 1999. .
25. Web site: June 19, 1999. .
26. Web site: June 26, 1999. .
27. Web site: July 3, 1999. .
28. Web site: July 10, 1999. .
29. Web site: July 17, 1999. .
30. Web site: July 24, 1999. .
31. Web site: July 31, 1999. .
32. Web site: August 7, 1999. .
33. Web site: August 14, 1999. .
34. Web site: August 21, 1999. .
35. Web site: August 28, 1999. .
36. Boys Still 'Larger Than Life' On Billboard 200 . 1999-08-19 . Billboard . Nielsen Business Media, Inc . 2009-01-24 . dead . https://web.archive.org/web/20090210165125/http://www.billboard.com/bbcom/esearch/article_display.jsp?vnu_content_id=950139 . February 10, 2009 .
37. Web site: September 4, 1999. .
38. Web site: September 11, 1999. .
39. Web site: September 18, 1999. .
40. Web site: September 25, 1999. .
41. Web site: October 2, 1999. .
42. Web site: October 9, 1999. .
43. Mariah Scores 14th No. 1 Single. 1999-09-30. Billboard. Nielsen Business Media, Inc. 2009-05-05.
44. Web site: October 16, 1999. .
45. Web site: October 23, 1999. .
46. Web site: October 30, 1999. .
47. Web site: November 6, 1999. .
48. Web site: November 13, 1999. .
49. Web site: November 20, 1999. .
50. Web site: November 27, 1999. .
51. Web site: December 4, 1999. .
52. Web site: December 11, 1999. .
53. Web site: December 18, 1999. .
54. Web site: December 25, 1999. .