| Origin |
Seoul, South Korea |
| Debut |
March 20, 2014 |
| Disbanded |
2014 |
| Number of Members |
5 |
| Members |
Ray
Songyi
Betty
Janet
Seul-Gi
Kiryun |
| Oldest Member |
Kiryun |
| Youngest Member (Maknae) |
Seul-Gi |
| Tallest Member |
Janet |
| Shortest Member |
Ray |
Billion Former Members Profile
Ray
| Full Name |
Sung Bora |
| Birthday |
October 27, 1991 |
| Birthplace |
Pyeongtaek, South Korea |
| Age |
34 years and 11 months old |
| Height |
5 feet 3¾ inches (162 cm) |
| Weight |
106 lbs (48 kg) |
| Zodiac Sign |
Scorpio |
| Position |
Leader, Vocalist, Rapper |
| Instagram |
booora1027 |
Songyi
| Full Name |
Park Songyi |
| Birthday |
November 6, 1991 |
| Birthplace |
Daejeon, South Korea |
| Age |
34 years and 11 months old |
| Height |
5 feet 4 inches (163 cm) |
| Weight |
99 lbs (45 kg) |
| Zodiac Sign |
Scorpio |
| Position |
Main Vocalist |
| Instagram |
paksong2 |
Betty
| Full Name |
Go Eunji |
| Birthday |
February 7, 1994 |
| Birthplace |
Seoul, South Korea |
| Age |
32 years and 8 months old |
| Height |
5 feet 3¾ inches (162 cm) |
| Weight |
94 lbs (43 kg) |
| Zodiac Sign |
Aquarius |
| Position |
Main Vocalist |
| Instagram |
mookeunji27 |
Janet
| Full Name |
Cho Minjung |
| Birthday |
September 1, 1994 |
| Birthplace |
Seoul, South Korea |
| Age |
32 years and 1 month old |
| Height |
5 feet 9 inches (174 cm) |
| Weight |
117 lbs (53 kg) |
| Zodiac Sign |
Virgo |
| Position |
Lead Vocalist |
| Instagram |
janet_minjung |
Seul-Gi
| Full Name |
Na Seulgi |
| Birthday |
June 23, 1995 |
| Birthplace |
Gangwon Province, South Korea |
| Age |
31 years and 3 months old |
| Height |
5 feet 5 inches (165 cm) |
| Weight |
94 lbs (43 kg) |
| Zodiac Sign |
Cancer |
| Position |
Vocalist, Maknae |
| Instagram |
s2sseuls2 |
Kiryun
| Full Name |
Kim Eunseok |
| Birthday |
October 18, 1989 |
| Birthplace |
Seoul, South Korea |
| Age |
36 years and 11 months old |
| Height |
5 feet 6 inches (167 cm) |
| Weight |
108 lbs (48.89 kg) |
| Zodiac Sign |
Libra |
| Position |
Lead Vocalist, Dancer |
| Instagram |
bora.k_ |
Member Ages: Oldest to Youngest
| Member |
Birthday |
Age |
| Kiryun |
October 18, 1989 |
36 years, 11 months, 25 days old |
| Ray |
October 27, 1991 |
34 years, 11 months, 16 days old |
| Songyi |
November 6, 1991 |
34 years, 11 months, 7 days old |
| Betty |
February 7, 1994 |
32 years, 8 months, 6 days old |
| Janet |
September 1, 1994 |
32 years, 1 month, 12 days old |
| Seul-Gi |
June 23, 1995 |
31 years, 3 months, 20 days old |
FAQs
How many members are in Billion?
Billion is a 5-member K-pop girl group. The group consists of Ray, Songyi, Betty, Janet, Seul-Gi, and Kiryun.
When did Billion debut?
Billion debuted on March 20, 2014, with their song Dancing Alone.