This page consists of all current and former members of the Japanese girl group Morning Musume. The group is known for their ever-fluctuating line-up, with "graduations" and auditions held nearly every year.
Morning Musume contains a leader and a sub-leader role, which consists of providing moral support to the group.[1] The sub-leader position was established on April 16, 2001, when Kaori Iida became the second leader.
| Leader | Period of time | |
|---|---|---|
| September 7, 1997 – April 15, 2001 | ||
| April 16, 2001 – January 30, 2005 | ||
| January 31, 2005 – April 14, 2005 | ||
| April 15, 2005 – May 6, 2007 | ||
| May 7, 2007 – June 1, 2007 | ||
| June 2, 2007 – September 30, 2011 | ||
| October 1, 2011 – May 18, 2012 | ||
| May 19, 2012 – November 26, 2014 | ||
| November 27, 2014 – November 29, 2023 | ||
| November 30, 2023 – present |
| Sub Leader | Period of time | |
|---|---|---|
| April 16, 2001 – May 5, 2003 | ||
| May 6, 2003 – January 30, 2005 | ||
| January 31, 2005 – April 14, 2005 | ||
| April 15, 2005 – May 6, 2007 | ||
| May 7, 2007 – June 1, 2007 | ||
| June 2, 2007 – September 30, 2011 | ||
| May 22, 2013 – November 26, 2014 | ||
| May 22, 2013 – December 16, 2018 | ||
| November 27, 2014 – November 29, 2023 | ||
| December 31, 2018 – Late November/Early December 2024 | ||
| November 30, 2023 – present |