List of Billboard Hot 100 number ones of 2011

Its data, published by Billboard magazine and compiled by Nielsen SoundScan, is based collectively on each single's weekly physical and digital sales, as well as airplay.

In 2011, 14 singles claimed the top spot in 53 issues of the magazine, one of which, singer Katy Perry's "Firework" started its peak position in late 2010.

[3] In 2011, nine acts achieved their first US number-one single, either as a lead artist or a featured guest: Wiz Khalifa, Adele, Pitbull, Afrojack, Nayer, LMFAO, Lauren Bennett, GoonRock and Calvin Harris.

Pop singers Adele, Britney Spears, Katy Perry and Rihanna each earned two number-one songs during the year.

[2] It became only the eleventh single by a female solo artist to have spent at least ten weeks at number-one in the chart's history.

A young brunette woman sitting on a piano. She wears a golden dress and holds a microphone in her right hand
Barbadian singer Rihanna earned her tenth and eleventh number-one singles when " S&M " and " We Found Love " both topped the chart. [ 1 ] [ 2 ]
A blonde woman is sitting, while performing and holding her microphone in her hand.
Singer Adele 's " Rolling in the Deep " topped the chart for seven consecutive weeks and over the course of the year became the best-performing single of 2011. [ 4 ]
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With " E.T. " and " Last Friday Night (T.G.I.F.) ", Katy Perry became the first female artist in history to have five number-one singles from one album. [ 8 ]
A blonde woman performs while wearing white S&M inspired outfit.
Britney Spears became the first female artist to score number-one singles in the 1990s, 2000s, and 2010s when " Hold It Against Me " debuted in the top position. [ 9 ]
A yellow haired woman which wears a black bra and dukes.
Lady Gaga 's " Born This Way " debuted and stayed No. 1 for six consecutive weeks. [ 10 ]