List of Prime Ministers of Australia by time in office Rank by time in office Rank by time in office

| Rank_ | Prime_Minister_ | Party_ | Assumed_Office_ | Left_Office_ | TOTAL_Time_in_Office_ |
|---|---|---|---|---|---|
| 15. | Gough Whitlam (born 1916) | Labor | 5 December 1972 | 11 November 1975 | 2years, 341days |
| 16. | Kevin Rudd (born 1957) | Labor | 3 December 2007 | 24 June 2010 | 2 years, 286 days |
| 16. | Kevin Rudd (born 1957) | Labor | 27 June 2013 | 18 September 2013 | 2 years, 286 days |
| 17. | Sir Edmund Barton (1849–1920) | Protectionist | 1 January 1901 | 24 September 1903 | 2years, 266days |
| 18. | James Scullin (1876–1953) | Labor | 22 October 1929 | 6 January 1932 | 2years, 76days |
| 19. | Harold Holt (1908–1967) | Liberal | 26 January 1966 | 19 December 1967 | 1year, 327days |
| 20. | William McMahon (1908–1988) | Liberal | 10 March 1971 | 5 December 1972 | 1year, 270days |
| 21. | Joseph Cook (1860–1947) | Commonwealth Liberal | 24 June 1913 | 17 September 1914 | 1year, 85days |