List of Billboard Mainstream Top 40 number-one songs of 2018

This is a list of songs which reached number one on the Billboard Mainstream Top 40 (or Pop Songs) chart in 2018.

During 2018, a total of 19 singles hit number-one on the charts.

Chart history

Key

†	Indicates best-performing single of 2018[1]

Issue date	Song	Artist(s)	Ref.
January 3	"Havana"	Camila Cabello featuring Young Thug	[2]
January 6			[3]
January 13			[4]
January 20	"Perfect"	Ed Sheeran	[5]
January 27			[6]
February 3	"New Rules" †	Dua Lipa	[7]
February 10			[8]
February 17			[9]
February 24			[10]
March 3	"Perfect"	Ed Sheeran	[11]
March 10	"Let You Down"	NF	[12]
March 17	"Him & I"	G-Eazy and Halsey	[13]
March 24			[14]
March 31	"Finesse"	Bruno Mars featuring Cardi B	[15]
April 7	"The Middle"	Zedd, Maren Morris and Grey	[16]
April 14			[17]
April 21			[18]
April 28			[19]
May 5			[20]
May 12	"Never Be the Same"	Camila Cabello	[21]
May 19			[22]
May 26			[23]
June 2	"The Middle"	Zedd, Maren Morris and Grey	[24]
June 9			[25]
June 16	"Psycho"	Post Malone featuring Ty Dolla Sign	[26]
June 23			[27]
June 30			[28]
July 7			[29]
July 14	"Mine"	Bazzi	[30]
July 21	"No Tears Left to Cry"	Ariana Grande	[31]
July 28	"Delicate"	Taylor Swift	[32]
August 4	"Girls Like You"	Maroon 5 featuring Cardi B	[33]
August 11			[34]
August 18			[35]
August 25			[36]
September 1			[37]
September 8	"Better Now"	Post Malone	[38]
September 15			[39]
September 22	"Love Lies"	Khalid and Normani	[40]
September 29			[41]
October 6	"Youngblood"	5 Seconds of Summer	[42]
October 13			[43]
October 20			[44]
October 27			[45]
November 3			[46]
November 10	"God Is a Woman"	Ariana Grande	[47]
November 17	"Happier"	Marshmello and Bastille	[48]
November 24			[49]
December 1			[50]
December 8			[51]
December 15	"High Hopes"	Panic! at the Disco	[52]
December 22			[53]
December 29			[54]

See also

• 2018 in American music