- Ella Mai's "Trip" spends a 9th week at #1, becoming the song with the most weeks at #1 in 2018. It's the longest-running #1 since Chris Stapleton's "Broken Halos," which spent 9 weeks at #1 in ending in November 2017. It's the longest-running female-led #1 since Adele's "Hello," which spent 10 weeks at #1 ending in December 2015.
- St. Paul & The Broken Bones score their first Top 10 with "Apollo".
- Number 1Peak1 (for 9 weeks)Weeks12
- Number 2 Up by 1Peak2Weeks13
- Number 3 Down by 1Peak2Weeks7
- Number 4Peak1 (for 3 weeks)Weeks15
- Number 5Peak5Weeks6
- Number 6Peak2Weeks10
- Number 7 Up by 1Peak7Weeks3
- Number 8 Down by 1Peak5Weeks19
- Number 9 Up by 1Peak9Weeks6
- Number 10 Up by 2Peak10Weeks4
- Number 11 Down by 2Peak4Weeks15
- Number 12 Up by 2Peak12Weeks4
- Number 13 Down by 2Peak1 (for 2 weeks)Weeks15
- Number 14 Up by 11Peak14Weeks2
- Number 15 Up by 2Peak15Weeks4
- Number 16Peak9Weeks14
- Number 17 Down by 2Peak10Weeks11
- Number 18 Up by 4Peak18Weeks3
- Number 19 Down by 6Peak1 (for 4 weeks)Weeks20
- Number 20Peak3Weeks16
- Number 21 Down by 2Peak12Weeks8
- Number 22 Up by 5Peak22Weeks2
- Number 23 Up by 7Peak23Weeks3
- Number 24 Down by 6Peak11Weeks7
- Number 25 Down by 4Peak9Weeks18
- Number 26 Down by 2Peak18Weeks8
- Number 27 Up by 7Peak27Weeks2
- Number 28 Down by 5Peak1 (for 7 weeks)Weeks28
- Number 29 Down by 3Peak2Weeks20
- Number 30 DebutPeak30Weeks1
- Number 31 Down by 3Peak3Weeks26
- Number 32 Down by 1Peak4Weeks25
- Number 33 Down by 4Peak17Weeks9
- Number 34 Down by 1Peak7Weeks15
- Number 35 DebutPeak35Weeks1
- Number 36 Down by 1Peak23Weeks7
- Number 37 DebutPeak37Weeks1
- Number 38Peak22Weeks6
- Number 39 DebutPeak39Weeks1
- Number 40 DebutPeak40Weeks1
Dropouts