| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | List of best-selling singles - 15 million copies or more |  |  |  |  |
| 3 | Artist | Single | Released | Sales (in millions) | Source |
| 4 | Bing Crosby | "White Christmas" | 1942 | 50 | - |
| 5 | Elton John | "Candle in the Wind 1997" / "Something About the Way You Look Tonight" | 1997 | 33 | - |
| 6 | Mungo Jerry | "In the Summertime" | 1970 | 30 | - |
| 7 | Bing Crosby | "Silent Night" | 1935 | 30 | - |
| 8 | Bill Haley & His Comets | "Rock Around the Clock" | 1954 | 25 | - |
| 9 | Whitney Houston | "I Will Always Love You" | 1992 | 20 | - |
| 10 | Elvis Presley | "It's Now or Never" | 1960 | 20 | - |
| 11 | USA for Africa | "We Are the World" | 1985 | 20 | - |
| 12 | The Ink Spots | "If I Didn't Care" | 1939 | 19 | - |
| 13 | Baccara | "Yes Sir, I Can Boogie" | 1977 | 18 | - |
| 14 | Celine Dion | "My Heart Will Go On" | 1997 | 18 | - |
| 15 | Mariah Carey | "All I Want for Christmas Is You" | 1994 | 16 | - |
| 16 | Bryan Adams | "(Everything I Do) I Do It for You" | 1991 | 15 | - |
| 17 | John Travolta and Olivia Newton-John | "You're the One That I Want" | 1978 | 15 | - |

Question: How many copies did Whitney Houston's best-selling single sell?
Answer: "I Will Always Love You" became the best-selling single by an artist with 20 million copies sold.