page_title: List of Billboard Hot 100 number-one singles of the 2010s
section_title: Number-one singles
hierarchical_section_title: List of Billboard Hot 100 number-one singles of the 2010s / Number-one singles
caption_attribution_description: English: Katy Perry performing live in Seattle, WA in July 2011
context_page_description: The Billboard Hot 100 is a chart that ranks the best-performing songs 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, airplay, and, since 2012, streaming.
  A new chart is compiled and officially released to the public every Tuesday in Billboard magazine and on its website. Each chart is dated with the "week-ending" date of the Saturday four days later.
context_section_description: Key
   – Number-one single of the year
  Notes
  ¹ For the first five weeks that "Perfect" by Ed Sheeran was at number one, the duet version between Sheeran and Beyoncé was the song's billing on the Hot 100.
  ² For the first week that "Old Town Road" by Lil Nas X was at number one, the solo version was the song's billing on the Hot 100. The remix with Billy Ray Cyrus hit number one the following week.
caption: Singer Katy Perry ranks second for the most songs atop the Hot 100 (eight) in the 2010s decade. She also had the fourth longest cumulative run at number one (twenty-six weeks) during the 2010s.
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