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IU’s Most Popular Songs Ranking [2026]

IU is a cute South Korean singer-songwriter known as the “Nation’s Little Sister.” Before her debut, she went through a period of struggle—she failed auditions at major agencies and didn’t stand out as a trainee—but she rose to prominence as a solo singer on the strength of her talent.

Her stage name combines “I” and “You,” expressing the wish that “you and I become one through music.” Here, we present a ranking of her popular songs.

IU’s Most Popular Songs Ranking [2026] (51–60)

Voice-MailIU56rank/position

(Bonus Track) Voice Mail (Korean Ver.) ((BONUS TRACK) VOICE MAIL (KOREAN VER.))
Voice-MailIU

A track included on the 2013 third album, Modern Times.

It’s a song about the anxiety of feeling that, even though the person you like is caring and says kind things to you, your true feelings might not be reaching them.

You’ve confessed and have been waiting a long time for an answer… It’s tough when there’s no reply and the other person keeps acting in a confusing way.

Tired of waiting, you end up sorting out your feelings on your own.

Apparently, this is something IU herself actually experienced at the age of 21.

The inner voice fits so realistically, making it a deeply heartrending song.

Try comparing it with the Japanese version, which might feel even more relatable.

잔소리 (Nagging)IU & Seulong57rank/position

A duet by IU and 2AM’s Seulong.

Titled “Nagging,” it’s a cute song about how couples tend to complain more as they date, but those little nagging remarks are possible precisely because they love each other.

IU’s and Seulong’s refreshing voices blend together to make it a pleasant listen.