List of Billboard Digital Song Sales number ones of 2021

The Billboard Digital Song Sales chart is a chart that ranks the most downloaded songs in the United States. Its data is compiled by Nielsen SoundScan based on each song's weekly digital sales, which combines sales of different versions of a song by an act for a summarized figure.

In 2021, 28 acts reached number one (including features) with 22 songs. Fifteen artists achieved their first number-one digital song: Tom MacDonald, Gabby Barrett, Masked Wolf, Dua Lipa, DaBaby, Bryson Gray, Tyson James, Chandler Crump, Jack Harlow, State of Mine, Drew Jacobs, John Rich, Mike Rowe, Juice Wrld and Suga. The year was dominated by South Korean boy band BTS: they are the only act to have multiple number-one songs (5), one of only two acts to top the chart for multiple weeks, holding the top 10 digital song sales weeks of the year, and topping the chart for a total of 30 weeks. The band's "Dynamite" opened the year atop the chart, spending eight non-consecutive weeks in the lead (following its ten chart-topping weeks in 2020), making it the longest running number-one song in the chart's history, before being replaced by their own "Film Out". "Butter" later topped the chart for 18 non-consecutive weeks, tying the band's own "Dynamite", and accumulating at least 1,699,900 digital downloads.

Justin Bieber's "Anyone" became his 13th number-one song, breaking his tie with Drake for the most number-one songs by a male artist. It was replaced by singer-songwriter Olivia Rodrigo's debut single "Drivers License" which spent three weeks atop the chart, the only song not by BTS to top the chart for multiple weeks. Taylor Swift's "All Too Well (Taylor's Version)^{[broken anchor]}", a re-recorded version of her 2012 single "All Too Well", debuted atop the chart, extending her record as the artist with the most number-one songs on the chart, with 23. Following the release of a remix of The Weeknd's "Save Your Tears" with Ariana Grande, the song jumped to the number-one spot, becoming their sixth and eighth number-ones on the chart respectively.

South Korean boy band BTS topped the chart for a total 30 weeks, aided by five songs and four self-replacements at the top spot

American singer-songwriter Taylor Swift achieved her 23nd chart-topper with "All Too Well (Taylor's Version)^{[broken anchor]}", extending her all-time record for the most number-ones for any act

American singer-songwriter Olivia Rodrigo topped the chart for three weeks with her debut single, "Drivers License"

Chart history

Key

†	Indicates best-performing song of 2021[1]

Issue date	Song	Artist(s)	Weekly sales	Ref(s)
January 2	"Dynamite"	BTS	16,000	[2]
January 9			45,000	[3]
January 16	"Anyone"	Justin Bieber	22,000	[4]
January 23	"Drivers License"	Olivia Rodrigo	38,000	[5]
January 30			27,000	[6]
February 6			17,000	[7]
February 13	"Fake Woke"	Tom MacDonald	14,000	[8]
February 20	"Up"	Cardi B	34,000	[9]
February 27	"Love Story (Taylor's Version)"	Taylor Swift	25,000	[10]
March 6	"Dynamite"	BTS	14,500	[11]
March 13			24,000	[12]
March 20			27,900	[13]
March 27			26,700	[14]
April 3			43,000	[15]
April 10			37,700	[16]
April 17	"Film Out"		19,000	[17]
April 24	"Montero (Call Me by Your Name)"	Lil Nas X	19,500	[18]
May 1	"The Good Ones"	Gabby Barrett		[19]
May 8	"Save Your Tears"	The Weeknd and Ariana Grande	18,000	[20]
May 15	"Astronaut in the Ocean"	Masked Wolf	12,500	[21]
May 22	"Levitating"	Dua Lipa featuring DaBaby	19,900	[22]
May 29	"Seeing Green"	Nicki Minaj featuring Drake and Lil Wayne	33,000	[23]
June 5	"Butter" †	BTS	242,800	[24]
June 12			140,200	[25]
June 19			138,400	[26]
June 26			111,400	[27]
July 3			128,400	[28]
July 10				[29]
July 17			108,800	[30]
July 24	"Permission to Dance"		140,100	[31]
July 31	"Butter" †		115,600	[32]
August 7			112,900	[33]
August 14			79,200	[34]
August 21			62,900	[35]
August 28			55,000	[36]
September 4			68,800	[37]
September 11			143,000	[38]
September 18			84,500	[39]
September 25			48,000	[40]
October 2			33,500	[41]
October 9	"My Universe"	Coldplay and BTS	127,000	[42]
October 16			42,600	[43]
October 23	"Industry Baby"	Lil Nas X featuring Jack Harlow	34,300	[44]
October 30	"Easy on Me"	Adele	74,000	[45]
November 6	"Let's Go Brandon"	Bryson Gray featuring Tyson James and Chandler Crump	48,000	[46]
November 13				[47]
November 20	"Easy on Me"	Adele	14,600	[48]
November 27	"All Too Well (Taylor's Version)[broken anchor]"	Taylor Swift	57,800	[49]
December 4	"God's Country"	State Of Mine and Drew Jacobs		[50]
December 11	"Santa's Gotta Dirty Job"	John Rich and Mike Rowe	13,000	[51]
December 18	"Butter" †	BTS	26,500	[52]
December 25	"Girl of My Dreams"	Juice Wrld and Suga	40,000	[53]

See also

• 2021 in American music
• List of Billboard Hot 100 number ones of 2021
• List of number-one Billboard Streaming Songs of 2021