The Inkigayo Chart is a music program record chart that gives an award to the best-performing single of the week in South Korea. In 2018, the chart measured digital performance in domestic online music services (5,500 points), social media via YouTube views (3,500 points), network on-air time (1,000 points), advanced viewer votes (500 points), and album sales (500 points) in its ranking methodology. Songs that spend three weeks at number one are awarded a Triple Crown and are removed from the chart and ineligible to win again. Got7 member Park Jin-young, Blackpink member Jisoo and NCT member Doyoung had hosted the show since February 5, 2017, and continued to do so until February 4, 2018. Actor Song Kang, Seventeen member Mingyu and DIA member Jung Chae-yeon were announced as new hosts from the February 18 broadcast. Kang left the show on November 4.
In 2018, there were 30 singles that ranked number one on the chart and 21 music acts received award trophies for this feat. Out of the 30 songs, 10 collected trophies for three weeks and earned a Triple Crown: Twice's "Heart Shaker", "What Is Love?", and "Dance the Night Away"; iKon's "Love Scenario"; Mamamoo's "Starry Night"; BTS's "Fake Love" and "Idol"; Blackpink's "Ddu-Du Ddu-Du"; IU's "Bbibbi"; and Jennie's "Solo". Six artists ranked more than one single at number one in 2018. Former Wonder Girls member Sunmi was the only soloist to have more than one chart-topper in 2018 with "Heroine" and "Siren" from her album Warning. Three boy groups ranked two singles at number one in 2018: iKon with "Love Scenario" and "Goodbye Road", Winner with "Everyday" and "Millions", and BTS with "Fake Love" and "Idol". Both singles by BTS ranked number one for three consecutive weeks each and achieved a triple crown. Their single "Fake Love" achieved 10,918 points on the June 3 broadcast making it the single with the highest score of the year. iKon's third consecutive win with "Love Scenario" granted the group their first Triple Crown since their debut.
Red Velvet had three singles rank number one on the chart: "Peek-a-Boo", "Bad Boy" and "Power Up". Meanwhile, girl group Twice ranked four singles at number one on the chart in 2018 with "Heart Shaker", "What Is Love?", "Dance the Night Away", and "Yes or Yes". The former three singles ranked number one for three weeks on the chart and achieved a triple crown. The four songs spent a total of eight weeks atop the chart making them the act with the most wins of the year. Three soloists ranked number one on the chart for the first time in 2018. Musician Paul Kim earned his first award with "Me After You" despite a lack of promotional activities on music shows. Blackpink member Jennie made her debut performance as a soloist on the November 25 broadcast of Inkigayo, where she won her first music show award with "Solo". Upon topping the ranking with "180 Degree", soloist Ben won her first music show award over nine years after her debut.
Chart history
+Key Indicates the song achieved a Triple Crown Indicates the highest score of the year — No show was held
+ Episode Date Artist Song Points 940 Twice "Heart Shaker" 7,926 941 Red Velvet "Peek-a-Boo" 6,477 942 Infinite "Tell Me" 6,428 943 Sunmi "Heroine" 7,017 944 7,146 — Red Velvet "Bad Boy" 9,490 945 iKon "Love Scenario" 8,543 946 8,986 947 9,091 948 Momoland "Bboom Bboom" 9,051 949 Mamamoo "Starry Night" 9,158 950 6,853 951 7,265 952 Momoland "Bboom Bboom" 7,409 953 Winner "Everyday" 8,799 954 Twice "What Is Love?" 10,527 955 9,752 956 9,575 957 GFriend "Time for the Moon Night" 8,811 958 6,972 959 BTS "Fake Love" 7,068 960 10,918 961 8,681 962 Bolbbalgan4 "Travel" 7,427 963 Blackpink "Ddu-Du Ddu-Du" 6,886 964 10,170 965 9,753 966 Apink "I'm So Sick" 8,812 967 Twice "Dance the Night Away" 10,571 968 9,086 969 9,221 970 Zico "SoulMate" 6,816 — Red Velvet "Power Up" 10,494 971 8,684 972 BTS "Idol" 6,038 973 9,513 974 8,320 975 Sunmi "Siren" 7,426 976 Got7 "Lullaby" 6,228 977 Im Chang-jung "There Has Never Been a Day I Haven't Loved You" 6,723 978 iKon "Goodbye Road" 8,953 UHD Special IU "Bbibbi" 9,341 979 7,905 — 9,648 980 Paul Kim "Me After You" 6,076 — Twice "Yes or Yes" 10,303 981 Jennie "Solo" 10,002 982 9,719 983 Mino "Fiancé" 9,492 984 Jennie "Solo" 7,113 — Ben "180 Degree" 6,360 — Winner "Millions" 7,314
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