This section needs expansion. You can help by adding to it. (March 2012)
Mark Latham became leader in December 2003 after Simon Crean stood down after losing support from his caucus. However, Latham went on to lose the federal election in October 2004. Latham stayed on as leader after the election, until January 18, 2005 when Latham stood down, citing ill health.
Potential candidates named in the press and elsewhere
The following individuals ruled themselves out as candidates or were the subject of media speculation but did not stand: