| 100% | IAMWOMAN | 8 | First #1 Billboard hit by an Australian artist (1972) |
| 50% | LOEB | 4 | First unsigned artist to record a Billboard No. 1 hit |
| 39% | SOS | 3 | Rihanna's first #1 Billboard hit |
| 38% | GONOW | 5 | First hit by the Moody Blues (whose title ends with an exclamation point) |
| 37% | CARDIB | 6 | She holds the record for most #1 Billboard hits by a female rapper (5) |
| 37% | IGETAROUND | 10 | First #1 hit by the Beach Boys |
| 36% | ANNEMURRAY | 10 | First Canadian female solo artist to reach No. 1 on the U.S. Billboard Hot 100 |
| 36% | DRAKE | 5 | He recently tied Michael Jackson for most #1 Billboard hits by a male artist (13) |
| 35% | GUNSNROSES | 10 | #1 Billboard artist that's an anagram of 112-Across |
| 35% | CAROLEKING | 10 | #1 Billboard artist that's an anagram of 87-Across |
| 35% | AEROSMITH | 9 | #1 Billboard artist that's an anagram of 66-Across |
| 35% | MILEYCYRUS | 10 | #1 Billboard artist that's an anagram of 45-Across |
| 35% | CELINEDION | 10 | #1 Billboard artist that's an anagram of 23-Across |
| 35% | BTS | 3 | First K-pop group with a Billboard #1 hit |
| 35% | BILLIEEILISH | 12 | First artist born in the two-thousands to reach No. 1 on the Billboard Hot 100 (August, 2019) |
| 35% | CROCODILEROCK | 13 | Elton John's first Billboard #1 hit |
| 35% | UGG | 3 | Fashion brand founded by an Australian surfer |
| 35% | UGGS | 4 | Kicks co-created by an Australian surfer |
| 35% | MOOD | 4 | 2020 hit by 24kGoldn that reached #1 on the Billboard Hot 100 |
| 34% | ASTRODOME | 9 | Stadium whose first homer was hit by Mickey Mantle in an exhibition game in 1965 |
| 34% | OILPAINTING | 11 | Produced by an artist |
| 34% | EASELS | 6 | Stands by an artist |
| 33% | LIKENESS | 8 | One taken by an artist |
| 33% | SMOCK | 5 | Garment worn by an artist |
| 33% | ALBUM | 5 | Something dropped by an artist |
| 33% | PERRY | 5 | First female artist with five Billboard #1's from the same album |
| 33% | SIGHT | 5 | "Love at First ___," hit song by Australian singer Kylie Minogue which was nominated for a Grammy Award in 2003 |
| 33% | LUCKY | 5 | "I Should Be So ___," hit song by Australian singer Kylie Minogue which won an ARIA Music Award in 1989 |
| 33% | HAND | 4 | "I Want to Hold Your ___," 1963 song by The Beatles which was their first number 1 hit in America |
| 33% | MARIAHCAREY | 11 | Singer with 18 #1 Billboard hits, more than any other solo artist since Elvis Presley: 2 wds. |