- Justin Timberlake and Chris Stapleton's "Say Something" spends a third week at #1.
- Charlie Puth and Kehlani enter at #3 with "Done For Me". The track is the second-highest debut of 2018, behind Bruno Mars and Cardi B's "Finesse" which debuted at #1. The track instantly becomes Kehlani's highest-peaking single, outpeaking the #17 peak of 2017's "Distraction". It's Charlie Puth's second Top 10 hit. "We Don't Talk Anymore" with Selena Gomez peaked at #1 in 2016.
- Paramore's "Rose-Colored Boy" moves 27-10, giving them their fourth Top 10 hit. Their other Top 10 hits are "Ain't It Fun" (#1 in 2014), "Hard Times" (#3 in 2017), and "Told You So" (#7 in 2017).
- There are seven debuts this week, which ties this week with the week of January 6 for the week with the most debuts in 2018.
- Number 1Peak1 (for 3 weeks)Weeks8
- Number 2Peak1 (for 8 weeks)Weeks11
- Number 3 DebutPeak3Weeks1
- Number 4 Down by 1Peak3Weeks7
- Number 5 Up by 2Peak5Weeks4
- Number 6 Down by 2Peak2Weeks11
- Number 7 Up by 1Peak7Weeks6
- Number 8 Up by 1Peak8Weeks7
- Number 9 Down by 4Peak3Weeks10
- Number 10 Up by 17Peak10Weeks2
- Number 11 Up by 3Peak11Weeks4
- Number 12 Down by 2Peak8Weeks11
- Number 13 Down by 7Peak3Weeks12
- Number 14 Up by 1Peak14Weeks5
- Number 15 Up by 2Peak15Weeks3
- Number 16 Down by 5Peak5Weeks11
- Number 17 Down by 5Peak1 (for 6 weeks)Weeks18
- Number 18 Up by 10Peak18Weeks2
- Number 19 Down by 3Peak8Weeks14
- Number 20 DebutPeak20Weeks1
- Number 21 Down by 2Peak4Weeks14
- Number 22 Down by 1Peak1 (for 9 weeks)Weeks38
- Number 23 Up by 12Peak23Weeks2
- Number 24 Down by 11Peak11Weeks4
- Number 25 Up by 7Peak25Weeks2
- Number 26 Down by 8Peak5Weeks14
- Number 27 Up by 3Peak27Weeks2
- Number 28 Down by 8Peak20Weeks6
- Number 29 Down by 5Peak14Weeks9
- Number 30 DebutPeak30Weeks1
- Number 31 Down by 8Peak23Weeks3
- Number 32 DebutPeak32Weeks1
- Number 33 Down by 7Peak4Weeks30
- Number 34 DebutPeak34Weeks1
- Number 35 DebutPeak35Weeks1
- Number 36 Down by 14Peak22Weeks5
- Number 37 DebutPeak37Weeks1
- Number 38 Down by 13Peak18Weeks6
- Number 39 Down by 1Peak5Weeks21
- Number 40 Down by 7Peak12Weeks9
Dropouts