Group
|
Leader
|
Period of time
|
Length of time
|
Morning Musume
|
Nakazawa Yuko
|
September 7, 1997 – April 15, 2001
|
3 Years, 7 Months, 8 Days
|
Country Musume
|
Azusa
|
April 27, 1999 – August 23, 1999
|
0 Years, 3 Months, 27 Days
|
Coconuts Musume
|
Chelsea
|
June 26, 1999 – January 30, 2000
|
0 Years, 7 Months, 4 Days
|
Melon Kinenbi
|
Murata Megumi
|
August 10, 1999 – October 23, 2002
|
3 Years, 2 Months, 13 Days
|
Coconuts Musume
|
Ayaka
|
January 30, 2000 – April 30, 2008
|
8 Years, 3 Months, 0 Days[N1]
|
Country Musume
|
Rinne
|
May 30, 2000 – October 13, 2002
|
2 Years, 4 Months, 13 Days
|
Morning Musume
|
Iida Kaori
|
April 16, 2001 – January 30, 2005
|
3 Years, 9 Months, 14 Days
|
Melon Kinenbi
|
Saito Hitomi
|
October 23, 2002 – May 3, 2010
|
7 Years, 6 Months, 10 Days[N1]
|
Country Musume
|
Asami
|
October 14, 2002 – January 27, 2007
|
4 Years, 3 Months, 13 Days
|
Berryz Koubou
|
Shimizu Saki
|
January 14, 2004 – March 3, 2015
|
11 Years, 1 Month, 17 Days
|
v-u-den
|
Ishikawa Rika
|
August 10, 2004 – June 29, 2008
|
3 Years, 10 Months, 19 Days
|
Morning Musume
|
Yaguchi Mari
|
January 31, 2005 – April 14, 2005
|
0 Years, 2 Months, 14 Days
|
Morning Musume
|
Yoshizawa Hitomi
|
April 15, 2005 – May 6, 2007
|
2 Years, 0 Months, 21 Days
|
℃-ute
|
Yajima Maimi
|
June 11, 2005 – June 12, 2017
|
12 Years, 0 Months, 1 Day
|
Morning Musume
|
Fujimoto Miki
|
May 7, 2007 – June 1, 2007
|
0 Years, 0 Months, 25 Days
|
Morning Musume
|
Takahashi Ai
|
June 2, 2007 – September 30, 2011
|
4 Years, 3 Months, 28 Days
|
Ice Creamusume
|
Shenshen
|
September 21, 2008 – November 1, 2010
|
2 Years, 1 Month, 11 Days
|
ANGERME
|
Wada Ayaka
|
April 4, 2009 – June 18, 2019
|
10 Years, 2 Months, 14 Days
|
Morning Musume
|
Niigaki Risa
|
October 1, 2011 – May 18, 2012
|
0 Years, 7 Months, 17 Days
|
Morning Musume
|
Michishige Sayumi
|
May 19, 2012 – November 26, 2014
|
2 Years, 6 Months, 7 Days
|
Juice=Juice
|
Miyazaki Yuka
|
June 13, 2013 – June 17, 2019
|
6 Years, 0 Months, 4 Days
|
Morning Musume
|
Fukumura Mizuki
|
November 27, 2014 – November 29, 2023
|
9 Years, 0 Months, 2 Days
|
Kobushi Factory
|
Hirose Ayaka
|
March 8, 2015 – March 30, 2020
|
5 Years, 0 Months, 22 Days
|
Tsubaki Factory
|
Yamagishi Riko
|
August 8, 2015 – November 6, 2023
|
8 Years, 2 Months, 29 Days
|
CHICA#TETSU
|
Ichioka Reina
|
June 26, 2017 – March 1, 2024
|
6 Years, 8 Months, 4 Days
|
Ame no Mori Kawa Umi
|
Takase Kurumi
|
October 19, 2018 – present
|
5 Years, 5 Months, 24 Days
|
Juice=Juice
|
Kanazawa Tomoko
|
June 18, 2019 – November 24, 2021
|
2 Years, 5 Months, 6 Days
|
ANGERME
|
Takeuchi Akari
|
June 19, 2019 – June 21, 2023
|
4 Years, 0 Months, 2 Days
|
SeasoningS
|
Hirai Miyo
|
January 24, 2021 - present
|
3 Years, 2 Months, 19 Days
|
Juice=Juice
|
Uemura Akari
|
November 25, 2021 – June 14, 2024
|
2 Years, 4 Months, 18 Days
|
OCHA NORMA
|
Saito Madoka
|
April 9, 2022 - present
|
2 Years, 0 Months, 3 Days
|
ANGERME
|
Kamikokuryo Moe
|
June 22, 2023 - present
|
0 Years, 9 Months, 21 Days
|
Tsubaki Factory
|
Niinuma Kisora
|
November 7, 2023 - June 10, 2024
|
0 Years, 5 Months, 5 Days
|
Morning Musume
|
Ikuta Erina
|
November 30, 2023 - present
|
0 Years, 4 Months, 13 Days
|