List of M Countdown Chart winners (2020)
The "M Countdown" Chart is a record chart on the South Korean Mnet television music program "M Countdown". Every week, the show awards the best-performing single on the chart in the country during its live broadcast. In 2020, 33 singles ranked number one on the chart and 25 music acts received first-place trophies. Two songs collected trophies for three weeks and achieved a triple crown: "Wannabe" and "Not Shy", both by Itzy. Of all releases for the year, only two songs earned a perfect score of 11,000 points: "On" by BTS  and "I'm in Trouble" by NU'EST. Scoring system. April 26, 2018 – May 21, 2020. Scoring System: Digital Music Sales (45%), Album Sales (15%), Social Media Score "(YouTube official music video views + SNS buzz)" (20%), Global Fan Votes (10%), Mnet Broadcast Score (10%), SMS Live Vote 10%. May 28, 2020 – present. Scoring System: Digital Sales "(Melon, Genie, FLO)" (45%), Album Sales (15%), Social Media "(YouTube MV views)" (15%), Global Fan Vote (15%), Mnet Broadcast "(Mnet TV, MCD Stage, M2 Contents)" (10%), Live Vote "(for 1st nominees only)" (10%).