FIFTY FIFTY is composed of 4 members born between 2002 and 2004. Their ages ranged from 18 to 20 years old at the time of their debut in 2022. The oldest member is Keena. She was born on Jul 9, 2002, and was 20 years old when she debuted with the group. The youngest member is Aran. She was born on Oct 11, 2004. She was 18 years old when FIFTY FIFTY debuted.
All 4 members of FIFTY FIFTY promote under a stage name (not their birth names). These are Keena, Aran, Sio, and Saena.
In terms of nationalities, all 4 members are South Korean.
