I.O.I

아이오아이

LATEST UPDATES

Name:: I.O.I
Aliases:: Ideal of Idol, IOI
Hangul:: 아이오아이
Fandom:: Unannounced
Debuted On:: May 4, 2016
Ended On:: 2017
Generation:: Gen 3 | 2012 - 2017
Group Type:: Girl
Last Comeback:: Dec 31, 2025

About I.O.I

I.O.I was the Produce 101 project group that swept 2016 with breezy hits like “Very Very Very.” Though active for less than a year, the members’ success stories made the group a benchmark for survival-show fame.

Music Label

YMC Entertainment

LATEST UPDATES

Comeback Announced!

30 yo

Nayoung

Leader, Main Rapper, Lead Dancer, Vocalist

30 yo

Chungha

Main Dancer, Lead Vocalist, Rapper

29 yo

Sejeong

Main Vocalist

28 yo

Chaeyeon

Vocalist, Visual

27 yo

Kyulkyung

Lead Dancer, Vocalist, Visual

26 yo

Sohye

Vocalist, Rapper

26 yo

Yeonjung

Main Vocalist

26 yo

Yoojung

Lead Rapper, Lead Dancer, Lead Vocalist

26 yo

Doyeon

Vocalist, Visual

26 yo

Mina

Lead Dancer, Vocalist, Rapper

24 yo

Somi

Lead Dancer, Lead Vocalist, Rapper, Face of the Group, Center, Maknae

Lightstick

Age Stats

Avg Age	27.4 years old
Oldest	Nayoung (30 years old)
Youngest	Somi (24 years old)
Avg Gap	6.3 months
Next Birthday	Somi (Mar 9)
Last Birthday	Chungha (Feb 9)

Height Stats

Tallest	Doyeon (173 cm / 5ft 8in)
Shortest	Yoojung (157 cm / 5ft 2in)
Avg Height	166.1 cm / 5ft 5in
Avg Gap	1.6 cm / 0.6 in

Nayoung

Chungha