| 1920 in Australia | |
|---|---|
| Monarchy | George V |
| Governor-General | Ronald Munro Ferguson, then Henry Forster |
| Prime minister | Billy Hughes |
| Population | 5,360,462 |
| Elections | New South Wales, Queensland, Victoria |
See also: 1919 in Australia, other events of 1920, 1921 in Australia and the Timeline of Australian history.