List of Hot 100 number-one singles of 2011 (U.S.)

The Billboard Hot 100 is a chart that ranks the best-performing singles of the United States. Published by Billboard magazine, the data are compiled by Nielsen SoundScan based collectively on each single's weekly physical and digital sales, and airplay. In 2011, 13 singles topped the chart. Although 14 singles claimed the top spot in 52 issues of the magazine, singer Katy Perry' "Firework" began its peak position in late 2010, and is thus excluded.^[3]

In 2011, nine acts achieved their first US number-one hit single, either as a lead artist or featured guest: Wiz Khalifa, Adele, Pitbull, Afrojack, Nayer, LMFAO, Lauren Bennett, GoonRock and Calvin Harris. Adele's "Rolling in the Deep" topped the chart for seven consecutive weeks and is the best-performing single of the calendar year, topped Billboard's year-end Hot 100 chart.^[4] Pop singers Britney Spears, Katy Perry, Adele and Rihanna each scored two number-one singles during the year.^[a] During the year, six collaboration singles topped the chart.

Rihanna's "We Found Love" is the longest-running single of 2011, beginning its run atop the chart for eight consecutive weeks in early November until the end of the calendar year.^[2] With that, the song became Rihanna's longest-running number-one single, beating her previous records held by "Umbrella and "Love the Way You Lie" in 2007 and 2010, respectively.^[2] Other singles with extended chart runs include Adele's "Rolling In the Deep", which stayed at number one for seven consecutive weeks, Lady Gaga's "Born This Way", which was the 1,000th no.1 single of the Hot 100 era and LMFAO's "Party Rock Anthem" which both stayed at number one for six consecutive weeks. Perry's "E.T." and Adele's "Someone Like You" each topped the chart for five weeks.^[2]

Contents 1 Chart history 2 See also 3 Notes 4 External links 5 References

Chart history

Issue date	Song	Artist(s)	Reference(s)
January 1	"Firework"	Katy Perry	[5]
January 8	"Grenade"	Bruno Mars	[6]
January 15	"Firework"	Katy Perry	[7]
January 22	"Grenade"	Bruno Mars	[8]
January 29	"Hold It Against Me"	Britney Spears	[9]
February 5	"Grenade"	Bruno Mars	[10]
February 12			[11]
February 19	"Black and Yellow"	Wiz Khalifa	[12]
February 26	"Born This Way"	Lady Gaga	[13]
March 5			[14]
March 12			[15]
March 19			[16]
March 26			[17]
April 2			[18]
April 9	"E.T."	Katy Perry featuring Kanye West	[19]
April 16			[20]
April 23			[21]
April 30	"S&M"	Rihanna featuring Britney Spears[22]	[23]
May 7	"E.T."	Katy Perry featuring Kanye West	[24]
May 14			[25]
May 21	"Rolling in the Deep"	Adele	[26]
May 28			[27]
June 4			[28]
June 11			[29]
June 18			[30]
June 25			[31]
July 2			[32]
July 9	"Give Me Everything"	Pitbull featuring Ne-Yo, Afrojack and Nayer	[33]
July 16	"Party Rock Anthem"	LMFAO featuring Lauren Bennett and GoonRock	[34]
July 23			[35]
July 30			[36]
August 6			[37]
August 13			[38]
August 20			[39]
August 27	"Last Friday Night (T.G.I.F.)"	Katy Perry	[40]
September 3			[41]
September 10	"Moves Like Jagger"	Maroon 5 featuring Christina Aguilera	[42]
September 17	"Someone Like You"	Adele	[43]
September 24	"Moves Like Jagger"	Maroon 5 featuring Christina Aguilera	[44]
October 1			[45]
October 8			[46]
October 15	"Someone Like You"	Adele	[47]
October 22			[48]
October 29			[49]
November 5			[50]
November 12	"We Found Love"	Rihanna featuring Calvin Harris	[1]
November 19			[51]
November 26			[52]
December 3			[53]
December 10			[54]
December 17			[55]
December 24			[56]
December 31			[2]

See also

• 2011 in music
• List of number-one hits (United States)
• List of Billboard Hot 100 top 10 singles in 2011
• List of Hot 100 number-one singles of the 2010s (U.S.)

Notes

• [a] ^ Perry had three number-one singles on the chart in 2011. However, "Firework" is excluded from the count, because it previously topped the chart in 2010.

External links

• Current Hot 100 Chart

References

Lists of number-one singles in the United States 1940–1959 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960–1979 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980–1999 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000–present 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 See also Hot 100 Year-end