| Year | Name | Leader |
|---|---|---|
| 1901 | Gregor McGregor | Chris Watson |
| Andrew Fisher | ||
| 1913 | George Pearce | |
| Billy Hughes | ||
| 1916 | Albert Gardiner | Frank Tudor |
| Matthew Charlton | ||
| 1926 | Ted Needham | |
| James Scullin | ||
| 1928 | John Daly | |
| 1931 | John Barnes | |
| 1935 | Joe Collings | |
| John Curtin | ||
| 1943 | Richard Keane | |
| Ben Chifley | ||
| 1943 | Bill Ashley | |
| 1951 | Nick McKenna | |
| H. V. Evatt | ||
| Arthur Calwell | ||
| 1966 | Don Willesee | |
| Gough Whitlam | ||
| 1967 | Lionel Murphy | |
| 1975 | Ken Wriedt | |
| Bob Hawke | ||
| 1980 | John Button | |
| Paul Keating | ||
| 1993 | Gareth Evans | |
| 1996 | John Faulkner | Kim Beazley |
| Simon Crean | ||
| Mark Latham | ||
| 2004 | Chris Evans | |
| Kim Beazley | ||
| Kevin Rudd | ||
| Julia Gillard | ||
| 2013 | Stephen Conroy | |
| 2013 | Penny Wong | Kevin Rudd |
| Year | Name | Leader |
|---|---|---|
| 1944 | George McLeay | Robert Menzies |
| 1947 | None/Neil O'Sullivan | |
| 1950 | Neil O'Sullivan | |
| 1958 | Bill Spooner | |
| 1964 | Shane Paltridge | |
| 1966 | Denham Henty | Harold Holt |
| 1968 | John Gorton | John Gorton |
| 1968 | Ken Anderson | |
| William McMahon | ||
| 1972 | Reg Withers | Billy Sneddon |
| Malcolm Fraser | ||
| 1978 | John Carrick | |
| 1983 | Fred Chaney | Andrew Peacock |
| John Howard | ||
| Andrew Peacock | ||
| 1990 | Robert Hill | John Hewson |
| Alexander Downer | ||
| John Howard | ||
| 2006 | Nick Minchin | |
| Brendan Nelson | ||
| Malcolm Turnbull | ||
| Tony Abbott | ||
| 2010 | Eric Abetz |
| 1935 | Charles Hardy |
| 1938 | Vacant |
| 1950 | Walter Cooper |
| 1961 | Harrie Wade |
| 1964 | Colin McKellar |
| 1969 | Tom Drake-Brockman |
| 1976 | James Webster |
| 1980 | Douglas Scott |
| 1985 | Stan Collard |
| 1987 | John Stone |
| 1990 | Ron Boswell |
| 2007 | Nigel Scullion |
| 2008 | Barnaby Joyce |
| 2013 | Nigel Scullion |