List of 100 Grand International number-one songs of 2019

The 100 Grand International is a chart that ranks the best-performing international songs in Valstrath. Its data, published by The Grand magazine and compiled by Tiescon SoundScan, is based collectively on each song's weekly physical and digital sales, as well as the amount of airplay received on Valstrathian radio stations and streaming on online digital music outlets.
During 2018, fourteen singles reached number one on the 100 Grand; a fifteenth single, "Do Your Worst" by Rival Sons, began its run in November 2018. In total, sixteen acts topped the chart as either lead or featured artists, with eight—Lauren Daigle, Lewis Capaldi, Bradley Cooper, Jonas Brothers, Khalid, Lil Nas X, Billy Ray Cyrus and Lizzo—achieving their first 100 Grand number-one single.
The longest running number one song of the year was "Old Town Road" by Lil Nas X featuring Billy Ray Cyrus, that led the charts for a total of fifteen weeks, the song was also elected song of the year.
Lizzo was the only act to have multiple number ones, with three.
== History ==
The bold song represents song of the year.
Issue Date 	Song 	Artist
January 5 	"Do Your Worst" 	Rival Sons
January 12 	"Do Your Worst" 	Rival Sons
January 19 	"Do Your Worst" 	Rival Sons
January 26 	"Do Your Worst" 	Rival Sons
February 2 	"Head Above Water" 	Avril Lavigne
February 9 	"You Say" 	Lauren Daigle
February 16 	"You Say" 	Lauren Daigle
February 23 	"You Say" 	Lauren Daigle
March 2 	"Someone You Loved"	Lewis Capaldi
March 9 	"Shallow" 	Lady Gaga & Bradley Cooper
March 16 	"Shallow" 	Lady Gaga & Bradley Cooper
March 23 	"Shallow" 	Lady Gaga & Bradley Cooper
March 30 	"Shallow" 	Lady Gaga & Bradley Cooper
April 6 	"Shallow" 	Lady Gaga & Bradley Cooper
April 13 	"Shallow" 	Lady Gaga & Bradley Cooper
April 20 	"Sucker" 	Jonas Brothers
April 27 	"Sucker" 	Jonas Brothers
May 4 	"Talk" 	Khalid
May 11 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
May 18 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
May 25 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
June 1 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
June 8 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
June 15 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
June 22 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
June 29 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
July 6 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
Jule 13 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
July 20 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
July 27 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
August 3 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
August 10 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
August 17 	"Old Town Road" 	Lil Nas X ft. Billy Ray Cyrus
August 24 	"Bad Guy" 	Billie Eilish
August 31 	"Bad Guy" 	Billie Eilish
September 7 	"Bad Guy" 	Billie Eilish
September 14	"Bad Guy" 	Billie Eilish
September 21	"Bad Guy" 	Billie Eilish
September 28	"Truth Hurts" 	Lizzo
October 5 	"Context" 	Temples
October 12 	"Bullet Holes" 	Bush
October 19 	"Water Me" 	Lizzo
October 26 	"Water Me" 	Lizzo
November 2 	"Water Me" 	Lizzo
November 9 	"Water Me" 	Lizzo
November 16 	"Water Me" 	Lizzo
November 23 	"Water Me" 	Lizzo
November 30 	"Water Me" 	Lizzo
December 7 	"Juice" 	Lizzo
December 14 	"Juice" 	Lizzo
December 21 	"Coming Home" 	Pusha-T ft. Lauryn Hill
December 28 	"Coming Home" 	Pusha-T ft. Lauryn Hill
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