Bryan McAllister’s personal reference notebook
September 12, 2026Short & citedBlog
Civic Viewpoint.
A quiet encyclopedia with a personal desk
Civic Brief • Country

Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the Australian mainland, the island of Tasmania, and numerous smaller islands.

Updated September 12, 20261 min readCited sources

Australia is a sovereign country comprising the mainland, Tasmania, and smaller islands. It is the only country that occupies an entire continent and is the sixth-largest by land area.

Geography

Australia is a large island continent in the Southern Hemisphere, bordered by the Indian and Pacific Oceans. Its geography includes deserts, tropical rainforests, and a wide range of climates across a vast land area of 7,688,287 km².

Government and politics

Australia is a federal parliamentary democracy and constitutional monarchy. The national constitution has remained largely unchanged since Federation in 1901. The country has six states and ten territories, with Canberra as its capital.

Population and cities

Australia has a population of nearly 29 million and is heavily urbanised, with most people concentrated on the eastern seaboard. Sydney and Melbourne are the largest cities, each with over five million residents.

In short

  • Australia is the sixth-largest country in the world by land area.
  • It is a federal parliamentary democracy and constitutional monarchy.
  • Canberra is the capital, while Sydney and Melbourne are the largest cities.
  • Australia includes the mainland, Tasmania, and several offshore territories.
Canadian angle

Australia and Canada are both Commonwealth realms with parliamentary systems and constitutional monarchies, which makes Australia relevant for Canadian readers interested in comparative government and international relations.

Quick questions

What is Australia’s official name?
Australia’s official name is the Commonwealth of Australia.
What is the capital of Australia?
The capital of Australia is Canberra.
How is Australia governed?
Australia is a federal parliamentary democracy and constitutional monarchy.

Sources

  1. Wikipediahttps://en.wikipedia.org/wiki/Australia
    Supports: Official name, land area, political system, federal structure, capital, population, and city information.
  2. Encyclopaedia Britannicahttps://www.britannica.com/place/Australia
    Supports: Capital, area, population, and description as a federal parliamentary state and constitutional monarchy.
  3. National Geographic Kidshttps://kids.nationalgeographic.com/geography/countries/article/australia
    Supports: Australia occupying an entire continent, geography, population distribution, and historical overview.