List of number-one international songs of 2015 (South Korea)

The international Gaon Digital Chart is a chart that ranks the best-performing international songs in South Korea. The data is collected by the Korea Music Content Association. Below is a list of songs that topped the weekly and monthly charts, as according to the Gaon 국외 (Foreign) Digital Chart. The Digital Chart ranks songs according to their performance on the Gaon Download, Streaming, and BGM charts.^[1]

Weekly chart

Source: Gaon Digital Chart^[1]
Date	Song	Artist	Total downloads
January 3	"Problem"	Ariana Grande featuring Iggy Azalea	54,308
January 10			44,615
January 17			38,902
January 24			34,273
January 31			31,620
February 7			30,801
February 14	"Sugar"	Maroon 5	36,939
February 21			36,165
February 28			37,532
March 7			35,549
March 14	"Uptown Funk"	Mark Ronson featuring Bruno Mars	36,616
March 21			39,881
March 28			39,673
April 4			36,674
April 11			36,557
April 18			35,143
April 25			32,511
May 2			34,446
May 9			32,082
May 16	"Sugar"	Maroon 5	36,134
May 23			36,863
May 30			38,025
June 7			35,099
June 14			31,214
June 21			29,738
June 28			30,556
July 4			31,742
July 11			29,583
July 18			27,335
July 25			26,864
August 1			27,777
August 8			24,805
August 15			24,805
August 22			24,336
August 29			27,921
September 5			25,631
September 12			24,960
September 19			22,450
September 26	"Lost Stars"	Maroon 5	20,272
October 3			38,569
October 10			26,253
October 17			21,806
October 24	"Sugar"	Maroon 5	20,690
October 31	"Hello"	Adele	87,840
November 7			69,888
November 14			95,020
November 21			77,798
November 28			68,489
December 5			66,250
December 12			46,701
December 19			38,739
December 26			36,170

Monthly chart

Month	Song	Artist	Total downloads
January	"Problem"	Ariana Grande featuring Iggy Azalea	172,772
February	"Sugar"	Maroon 5	148,484
March	"Uptown Funk"	Mark Ronson featuring Bruno Mars	165,424
April	"Uptown Funk"	Mark Ronson featuring Bruno Mars	149,825
May	"Sugar"	Maroon 5	154,773
June			135,237
July			127,224
August			129,354
September			79,588
October	"Lost Stars"	Adam Levine	107,109
November	"Hello"	Adele	334,310
December	"Hello"	Adele	192,036

Year-end chart^[2]

Rank	Song	Artist(s)	Total Downloads
1	"Sugar"	Maroon 5	1,346,468
2	"Uptown Funk"	Mark Ronson featuring Bruno Mars	1,184,248
3	"I'm Not the Only One"	Sam Smith	1,089,735
4	"Lost Stars"	Adam Levine	966,659
5	"Problem"	Ariana Grande featuring Iggy Azalea	835,304
6	"Hello"	Adele	614,186
7	"Maps"	Maroon 5	619,140
8	"Treasure"	Bruno Mars	516,889
9	"See You Again"	Wiz Khalifa featuring Charlie Puth	391,439
10	"Thinking Out Loud"	Ed Sheeran	406,331

References

^ ^a ^b "Gaon Digital Chart" (in Korean). Korea Music Content Industry Association. Archived from the original on January 12, 2015. Retrieved January 13, 2015.
^ "국내 대표 음악 차트 가온차트!". Archived from the original on 2016-01-16. Retrieved 2023-08-10.