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%).

Chart history

+Key Triple Crown Highest score of the year — No show was held

+ Episode Date Artist Song Points 647 colspan="3" 648 Momoland "Thumbs Up" 10,125 649 SF9 "Good Guy" 9,798 colspan="3" 650 SF9 "Good Guy" 10,031 651 Sechs Kies "All for You" 9,213 652 GFriend "Crossroads" 9,461 653 7,492 654 Iz*One "Fiesta" 10,914 655 BTS "On" 11,000 656 Loona "So What" 8,075 657 Itzy "Wannabe" N/A 658 7,902 659 N/A 660 Kang Daniel "2U" 7,664 661 (G)I-dle "Oh My God" N/A 662 Apink "Dumhdurum" 8,628 663 Got7 "Not By The Moon" 7,830 664 Oh My Girl "Nonstop" N/A 665 6,580 666 NU'EST "I'm in Trouble" 11,000 667 NCT 127 "Punch" 9,778 668 7,414 669 Twice "More & More" 9,356 670 Cosmic Girls "Butterfly" 9,235 671 Iz*One "Secret Story of the Swan" N/A 672 Seventeen "Left & Right" 10,705 673 Blackpink "How You Like That" 8,167 674 7,432 675 GFriend "Apple" 8,536 676 SSAK3 "Beach Again" 6,420 677 Somi "What You Waiting For" 6,776 678 (G)I-dle "Dumdi Dumdi" 8,842 679 8,521 No Broadcast or Winner 680 Itzy "Not Shy" 6,838 681 6,866 682 7,443 683 Stray Kids "Back Door" 7,086 684 The Boyz "The Stealer" N/A 685 5,432 686 Blackpink "Lovesick Girls" 8,691 687 NCT U "Make A Wish (Birthday Song)" 7,552 688 Seventeen "Home;Run" 7,724 689 Twice "I Can't Stop Me" 9,065 690 rowspan=2 691 Mamamoo "Aya" No Broadcast or Winner 692 Iz*One "Panorama" 9,364 693 colspan="3" "—" denotes an episode did not air that week.

References