Timeline
Since federation, there have been 27 Prime Ministers of Australia. The longest serving Prime Minister was Robert Menzies of the Liberal Party, who served for over 18 years from 1939–41, and again from 1949-66. The only other Prime Minister to serve for longer than a decade was John Howard, also of the Liberal Party, who led for close to 12 years from 1996-2007. The Coalition and its direct predecessors have governed at the federal level for a large majority of Australia's history since federation: 30,548 days as compared to Labor's 12,252 days.
| Party | Prime Ministers | In Office |
|---|---|---|
| Liberal | 6 | 18,281 days |
| Labor | 12 | 12,252 days |
| Nationalist | 2 | 5,114 days |
| United Australia | 1 (2) | 3,508 days |
| Protectionist | 2 | 2,451 days |
| Commonwealth Liberal | 1 (2) | 783 days |
| Free Trade | 1 | 328 days |
| Country | 3 | 83 days |
| Total | 27 | 42,800 days |
Read more about this topic: Politics Of Australia