List of Australian heads of government by time in office Historical premiers Historical premiers

| Rank_ | State_ | Premier_ | Party_ | Assumed_office_ | Left_office_ | TOTAL_Time_in_office_ |
|---|---|---|---|---|---|---|
| 37. | TAS | Sir Walter Lee (1874–1963) KCMG | Nationalist Party of Australia | 14 August 1923 | 25 October 1923 | 6 years, 191 days |
| 38. | TAS | Sir Elliott Lewis (1858–1935) KCMG | Conservatism | 2 October 1899 | 9 April 1903 | 6 years, 188 days |
| 38. | TAS | Sir Elliott Lewis (1858–1935) KCMG | Commonwealth Liberal Party | 19 June 1909 | 20 October 1909 | 6 years, 188 days |
| 38. | TAS | Sir Elliott Lewis (1858–1935) KCMG | Commonwealth Liberal Party | 27 October 1909 | 14 June 1912 | 6 years, 188 days |
| 39. | SA | Charles Kingston (1850–1908) | Liberalism | 16 June 1893 | 1 December 1899 | 6years, 168days |
| 40. | QLD | Wayne Goss (1951– ) | Australian Labor Party | 7 December 1989 | 19 February 1996 | 6years, 74days |