Girls' Generation, also known as SNSD, is a South Korean girl group formed by S.M. Entertainment. The group is composed of eight members: Taeyeon, Sunny, Tiffany, Hyoyeon, Yuri, Sooyoung, Yoona and Seohyun. Originally a nine-piece group, Jessica later departed from the group in September 2014. Girls' Generation debuted in 2007 with Into The New World. Tiffany, Sooyoung and Seohyun left SM Entertainment in late 2017, but there was nothing said about them leaving Girls' Generation.

Stage Name: Taeyeon/태연
Real Name: Kim Taeyeon/김태연/金泰妍
Nicknames: Kid Leader, Taengoo, Taeng, Byuntae, Tae Tae
Birthday: March 9, 1989
Birthplace: Jeonju, North Jeolla, South Korea
Blood Type: O
Height: 158 cm
Weight: 45 kg
Position in group: Leader, Main Vocalist
Languages: Korean, Japanese
Hobbies: watching movies, listening to music
Siblings: one older brother, one younger sister
Education: Jeonju Art High School
Fans: Taeganger

Sub-units: TaeTiSeo, Oh!GG

Stage Name: Sunny/써니
Real Name: Lee Sunkyu/이순규/李順圭
Nicknames: Sunny Bunny, DJ Soon
Birthday: May 15, 1989
Birthplace: Los Angeles, California, US
Blood Type: B
Height: 158 cm
Weight: 44 kg
Position in group: Lead Vocalist
Languages: Korean, Chinese, Japanese
Hobbies: listening to music, shopping, swimming, playing video games, sports
Siblings: two older sisters
Education: Baehwa All-Girls High School
Fans: Sunshiner

Sub-unit: Oh!GG

Stage Name: Hyoyeon/효연
Real Name: Kim Hyoyeon/김효연/金孝淵
Nicknames: Dancing Queen, Princess Fiona
Birthday: September 22, 1989
Birthplace: Incheon, South Korea
Blood Type: AB
Height: 160 cm
Weight: 48 kg
Position in group: Main Dancer, Main Rapper, Vocalist
Languages: Korean, Chinese, Japanese
Hobbies: watching movies, listening to music
Education: Winners Dance School
Fans: Hyohunnie

Sub-unit: Oh!GG

Stage Name: Yuri/유리
Real Name: Kwon Yuri/권유리/權侑利
Nicknames: Black Pearl, Kkabyul, Yul
Birthday: December 5, 1989
Birthplace: Goyang, Gyeonggi, South Korea
Blood Type: AB
Height: 167 cm
Weight: 45 kg
Position in group: Lead Dancer, Lead Rapper, Vocalist
Languages: Korean, Chinese, Japanese
Hobbies: studying, swimming, exercising
Siblings: older brother Kwon Hyuk Jun
Education: Neunggok High School; Chungang University, Major inTheatre and Film
Fans: Yurisistable

Sub-unit: Oh!GG

Stage Name: Yoona/윤아
Real Name: Im Yoona/임윤아/林允兒
Nicknames: Yoong, Deer, Goddess
Birthday: May 30, 1990
Birthplace: Seoul, South Korea
Blood Type: B
Height: 168 cm
Weight: 47 kg
Position in group: Lead Dancer, Rapper, Vocalist, Visual, Face of the Group
Languages: Korean, Chinese, Japanese
Instruments: none
Hobbies: watching movies
Siblings: one older sister
Education: Daeyoung High School; Dongguk University
Fans: YoonAddict

Sub-unit: Oh!GG

Members on Hiatus

(They left SM but nothing's been said about them leaving the group)

Stage Name: Tiffany/티파니
Real Name: Hwang Miyoung/황미영/黄美英/Stephanie Hwang
Nicknames: Fany, Mushroom, Manager Hwang, Ddilfany
Birthday: August 1, 1989
Birthplace: San Francisco, California, US
Blood Type: O
Height: 163 cm
Weight: 51 kg
Position in group: Lead Vocalist, Rapper
Languages: Korean, English, Chinese, Japanese
Instruments: flute
Hobbies: watching movies, listening to music, playing the flute
Siblings: one older sister, one older brother
Education: South Pointe Middle School; Diamond Bar High School; Korea Kent Foreign School
Fans: Fanytastic

Sub-unit: TaeTiSeo

Stage Name: Sooyoung/수영/チェ・スヨン
Real Name: Choi Sooyoung/최수영/崔秀英/Summer Choi
Nicknames: Cheerful Princess, Shik Shin
Birthday: February 10, 1990
Birthplace: Seoul, South Korea
Blood Type: O
Height: 170 cm
Weight: 45 kg
Position in group: Lead Dancer, Lead Rapper, Vocalist
Languages: Korean, Chinese, Japanese
Hobbies: watching movies, listening to music, dancing
Siblings: one older sister
Education: Chungang University, Major inTheatre and Film
Fans: Sooyoungster

Stage Name: Seohyun/서현
Real Name: Seo Joohyun/서주현/徐珠賢
Nicknames: Seororo
Birthday: June 28, 1991
Birthplace: Seoul, South Korea
Blood Type: A
Height: 168 cm
Weight: 49 kg
Position in group: Lead Vocalist, Maknae
Languages: Korean, Chinese, Japanese
Instruments: piano, guitar
Hobbies: listening to music
Education: Daeyoung High School, Jeonju Art High School; Dongguk University
Fans: Seomate

Sub-unit: TaeTiSeo

Former Member

Stage Name: Jessica/제시카
Real Name: Jung Sooyeon/정수연/鄭秀妍/Jessica Jung
Nicknames: Ice Princess, Sica
Birthday: April 18, 1989
Birthplace: San Francisco, California
Blood Type: B
Height: 163 cm
Weight: 45 kg
Position in group: Main Vocalist
Languages: English, Korean, Chinese, Japanese
Instruments: piano
Hobbies: watching movies, shopping, listening to music
Siblings: younger sister Krystal of f(x)
Education: Korea Kent Foreign School
Fans: Golden Stars