Member nationalities
I.O.I Member Nationalities
I.O.I member nationalities in one quick reference, including China, South Korea.
Nationalities
10 of 11 members have known nationalities.
| Rank | Member | Nationality | Position |
|---|---|---|---|
| #1 |  KyulkyungFormer member |  China | Lead Dancer, Vocalist, Visual |
| #2 |  ChaeyeonFormer member |  South Korea | Vocalist, Visual |
| #3 |  ChunghaFormer member | South Korea | Main Dancer, Lead Vocalist, Rapper |
| #4 |  DoyeonFormer member | South Korea | Vocalist, Visual |
| #5 |  MinaFormer member | South Korea | Lead Dancer, Vocalist, Rapper |
| #6 |  NayoungFormer member | South Korea | Leader, Main Rapper, Lead Dancer, Vocalist |
| #7 |  SejeongFormer member | South Korea | Main Vocalist |
| #8 |  SohyeFormer member | South Korea | Vocalist, Rapper |
| #9 |  YeonjungFormer member | South Korea | Main Vocalist |
| #10 |  YoojungFormer member | South Korea | Lead Rapper, Lead Dancer, Lead Vocalist |
Nationality not listed
1 member