There have been 29 Prime Ministers.
Edmund Barton
Alfred Deakin
Chris Watson
George Reid
Andrew Fisher
Joseph Cook
William Hughes
Stanley Bruce
James Scullin
Joseph Lyons
Earle Page
Robert Menzies
Arthur Fadden
John Curtin
Francis Forde
Joseph Chifley
Harold Holt
John McEwen
John Gorton
William McMahon
Gough Whitlam
Malcolm Fraser
Bob Hawke
Paul Keating
John Howard
Kevin Rudd
Julia Gillard