December 2019 produced 11 #1s across six music shows, shared by 6 artists and 6 songs.
The most wins went to Exo (3), followed by IU (3) and Mamamoo (2).
The most-awarded song was “Blueming” by IU with 3 wins on 3 shows, then “Obsession” with 3.
No song swept five or more shows.
First-ever music show wins went to Golden Child — 1 artists in total.
Counts are recomputed every morning from each show's published results (Wikipedia lists, CC BY-SA). Weeks without a broadcast or record are shown in grey; dates open episode pages.
| Date | Show | Song · Artist |
|---|---|---|
| 2019-12-01 | Inkigayo | BluemingIU |
| 2019-12-03 | The Show | Touchin'Kang Daniel |
| 2019-12-04 | Show Champion | HipMamamoo |
| 2019-12-06 | Music Bank | ObsessionExo |
| 2019-12-07 | Show! Music Core | ObsessionExo |
| 2019-12-11 | Show Champion | ObsessionExo |
| 2019-12-19 | M Countdown | LevanterStray Kids |
| 2019-12-20 | Music Bank | BluemingIU |
| 2019-12-21 | Show! Music Core | BluemingIU |
| 2019-12-22 | Inkigayo | HipMamamoo |
| 2019-12-26 | M Countdown | WannabeGolden Child |