
Australia is a country and continent of extremes. From its scorching deserts to lush rainforests, it is a land of diverse ecosystems and unique wildlife. With a highly skilled workforce, a strong economy, and a stable democracy, Australia has much to offer. However, it also faces challenges, including frequent droughts and flooding due to variable rainfall, and a history of mistreatment of its Indigenous population. As a Commonwealth nation with ties to the United Kingdom, Australia has a blend of cultural influences and a dynamic system of governance. With a population of over 25 million people from diverse backgrounds, it is one of the most multicultural countries in the world.
| Characteristics | Values |
|---|---|
| Total area | 7,688,287 km2 (2,968,464 sq mi) or 2.9 million square miles |
| Population | 25 million or 28 million |
| Population characteristics | 30% of the population were born overseas; 65% of the population lives in New South Wales; 90% of Australians live on the coast |
| Languages | English (national language); Mandarin, Arabic, Cantonese, Vietnamese, and Italian are also spoken |
| Cultural diversity | One of the highest foreign-born populations in the world; one of the most multicultural countries in the world; home to the world's oldest continuing culture |
| Government | Federal parliamentary democracy; constitutional monarchy; representative democracy |
| Head of State | British monarch |
| Wildlife | Unique flora and fauna, including hundreds of kinds of eucalyptus trees, platypuses, echidnas, acacias, dingoes, kangaroos, koalas, and kookaburras |
| Ecosystems | From sun-kissed beaches to rugged outback terrain |
| Geography | The world's flattest and driest inhabited continent; surrounded by the Indian and Pacific Oceans |
| Climate | Wet tropical in the northeast and northwest; arid in the center; temperate and humid in the coastal south |
| Economy | One of the strongest performing economies in the world; recorded 28 straight years of annual economic growth before the COVID-19 pandemic |
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What You'll Learn

Australia's status as a country and a continent
Australia is a country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is officially known as the Commonwealth of Australia and is a federal parliamentary democracy and constitutional monarchy. The country is divided into six states—New South Wales, Victoria, Queensland, South Australia, Western Australia, and Tasmania—along with two territories, the Northern Territory and the Australian Capital Territory.
Australia's status as a country is indisputable, as it meets the definition of a country: "a nation with its own government, occupying a particular territory." Australia has been a country since 1901, when the colonies federated, forming the Commonwealth of Australia.
However, Australia's status as a continent is a bit more complex. While it is widely known that Australia is both a country and a continent, there is no scientific definition used to categorize continents. Continents tend to be large landmasses with their own tectonic plates and are isolated enough to foster unique cultures, plant, and animal populations. While Australia is isolated and has supported Indigenous groups with distinct cultures and wildlife found nowhere else, it is the smallest continent at 2.9 million square miles, and its size is the most tenuous factor in its claim to continent status.
The continent of Australia is sometimes referred to as Sahul, Australinea, or Meganesia to differentiate it from the country of Australia. The name "Sahul" comes from the Sahul Shelf, which is part of the continental shelf of the Australian continent. The continent includes mainland Australia, Tasmania, the island of New Guinea, the Aru Islands, the Ashmore and Cartier Islands, most of the Coral Sea Islands, and some other nearby islands.
Australia's distinctiveness and isolation have contributed to its extraordinary geography, with diverse ecosystems ranging from fertile coastal lands to the rugged Outback. It is a megadiverse country, with landscapes including deserts, rainforests, and the Great Barrier Reef, the world's largest coral reef.
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Climate and environmental concerns
Climate change is a significant concern in Australia, with the country facing various environmental challenges. Australia's extensive arid and semi-arid areas, warm climate, and high annual rainfall variability make it vulnerable to the effects of global warming. The country's unique ecosystems, such as the Great Barrier Reef, are at risk due to rising temperatures and climate change.
One of the key issues is the increase in UV levels, which has multiple negative impacts. Firstly, it compromises the genetic integrity and immune systems of living organisms and impairs photosynthesis. Secondly, it contributes to climate change and one of the highest mortality rates of skin cancer in the world. While the Montreal Protocol has helped alleviate ozone depletion, Australia has experienced sustained thinning at its latitudes, resulting in elevated solar irradiation.
Australia is a significant contributor to climate change, with its greenhouse gas emissions per capita above the world average. The country's reliance on coal and other fossil fuels has been a divisive issue, with minority groups campaigning against mining and coal-fired power stations. Despite the potential for renewable energy, the transition from coal has been slow due to concerns about job losses and economic impacts, especially in coal-producing regions. Australia has also been criticised for its inadequate response to the climate crisis, with policies often influenced by politics, public sentiment, and global developments.
The effects of climate change are already being felt in Australia, with unprecedented wildfires, heatwaves, floods, and droughts impacting the health and well-being of Australians. The spread of climate-sensitive infectious diseases, such as Ross River virus infections and Dengue fever, is also a growing concern. Climate change adaptation plans have been developed at various levels of government, but more concrete actions are needed to address the challenges effectively.
In addition to climate change, Australia faces other environmental issues such as pollution, invasive species, land degradation, and deforestation. Intensive agriculture is affecting the country's coasts and oceans, particularly estuaries and near-shore environments. The continued population growth along the coastline could also displace valuable biodiversity and agricultural land. Conservation is a critical issue, especially with Aboriginal culture's strong connection to the land, and damage to sacred sites can have significant cultural repercussions.
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Cultural diversity and reconciliation
Australia is one of the most culturally and linguistically diverse countries in the world. Three major contributors to its demographic makeup are a diverse Aboriginal and Torres Strait Islander population, a British colonial past, and extensive immigration from a variety of countries and cultures.
The country's population of about 25.4 million is diverse in terms of ancestry, country of birth, English proficiency, language spoken, Indigenous status, and religious affiliation. According to the 2021 Census, more than 75% of Australians identify with an ancestry other than Australian, 2% are Aboriginal, Torres Strait Islander, or both, and over half (51.5%) were born overseas or have a parent born overseas. This diversity is reflected in Australia's vibrant cities, with Melbourne's Queen Victoria Market, for example, showcasing a range of world cuisines and cultures.
However, some commentators argue that Australia's multiculturalism exists mostly on the surface, in food stalls, colourful festivals, and speeches on special days. In reality, when it comes to shaping narratives, policies, or power structures, diversity tends to fade from view. For instance, while Cricket Australia states that more than 20% of grassroots players come from South Asian backgrounds, only about 5% make it to state-level teams.
This disconnect between surface-level celebrations of diversity and deeper inclusion and representation is also seen in politics. During election campaigns, politicians are eager to be seen connecting with multicultural communities, but this rarely translates into meaningful representation or the addressing of issues faced by these communities.
To foster true cultural diversity and reconciliation, Australia must move beyond tokenism and towards real inclusion and power-sharing. This includes recognizing and respecting Aboriginal and Torres Strait Islander cultures, rights, and experiences, and ensuring their equal participation and representation in all areas of life. It also involves a commitment to managing integration effectively and defending national values in a diverse society. While Australians broadly remain content with multiculturalism, there is a need to address the behaviours and attitudes of some groups of migrants explicitly directing hostility towards other ethnic communities, threatening Australia's secular liberal society.
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Global isolation and geographical marvels
Australia is the smallest continent and one of the largest countries on Earth, lying between the Pacific and Indian Oceans in the Southern Hemisphere. Its isolation from other continents has resulted in unique flora and fauna, including hundreds of eucalyptus tree species and the world's only egg-laying mammals, the platypus and echidna. The Great Barrier Reef, off the east coast of Queensland, is the world's largest coral reef, stretching for more than 2,300 kilometres (1,400 miles).
Australia is a megadiverse country, with a wide variety of landscapes and climates, including tropical rainforests along the coast and deserts in the interior. The climate varies from wet tropical in the northeast and northwest to arid in the centre, with winter freezing and snow in the southeastern highlands and Tasmania. The Australian mainland is the driest inhabited continent, with about 70% of the country being arid or semi-arid, and about 18% desert. The climate is influenced by various systems such as the El Niño–Southern Oscillation and the Indian Ocean Dipole, leading to frequent droughts and flooding.
Australia's isolation from the rest of the world has historically been a prominent feature, especially before the advent of modern transportation and communication technologies. Located in the Southern Hemisphere, Australia is extremely remote from many of its traditional allies and trading partners. It is approximately 12,000 miles (19,000 km) from Great Britain and about 7,000 miles (11,000 km) from the west coast of the United States. This isolation has had a significant impact on the country's history, culture, and economy.
However, in recent times, Australia has transformed into a culturally diverse and globally connected nation. With the development of advanced transportation and communication systems, the country has become more accessible to the rest of the world. Additionally, Australia has embraced immigration, attracting people from various cultural backgrounds, which has contributed to its multicultural society.
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Population, healthcare, and language
Population
The population of Australia is approximately 27 million people, with a median age of 38.3 years. It is a highly urbanised population, with 86.51% of people living in urban areas. The country's population is equivalent to 0.33% of the total world population, and it ranks 55th in the list of countries by population. The population density is low, at 4 people per square kilometre, and the majority of people live along the eastern seaboard. The capital, Canberra, and the largest cities, Sydney and Melbourne, are all located in this region. Sydney and Melbourne each have a population of over five million people.
Healthcare
Healthcare in Australia is funded by both government and non-government sources. In 2022-23, Australia spent $252.5 billion on healthcare, which equates to $9,597 per person or 9.9% of the country's GDP. The government funded 70.8% of the total expenditure, while non-government sources, including individuals and private health insurers, covered the remaining 29.2%. The rising costs of healthcare are driven by several factors, including an ageing population and the adoption of costly new technologies and pharmaceuticals. There has been a recent rise in the percentage of the population holding private health insurance, increasing from 30% to 45% over three years. However, some private hospitals are facing financial difficulties, and there are concerns about the value of private health insurance for many Australians. The National Disability Insurance Scheme (NDIS) provides funding and support for individuals with disabilities, but it also faces limitations.
Language
English is the majority language in Australia, although it has no official legal status. It is considered the de facto official and national language. Australian English has a distinctive accent and lexicon and differs slightly in grammar and spelling from other varieties of English. There are also numerous Indigenous languages and dialects spoken in Australia. It is estimated that over 250 Australian Aboriginal languages existed at the time of first European contact, and today, around 120 to 170 Indigenous languages and dialects are still spoken, with many considered endangered. The Australian sign language, Auslan, is also used by the hearing-impaired community. The proportion of Australians speaking a language other than English has increased due to immigration, with Mandarin, Arabic, Vietnamese, and Cantonese being some of the most commonly spoken languages other than English.
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Frequently asked questions
Australia should be and is a country.
Australia is the smallest continent but the sixth-largest country in the world, with a total area of 7,688,287 sq km (2,968,464 sq mi). It is located in the Southern and Eastern Hemispheres, in the Indian and Pacific Oceans, south of Indonesia and Papua New Guinea. It is the world's flattest and driest inhabited continent, with a highly variable climate.
Australia is officially the Commonwealth of Australia, a federal parliamentary democracy and constitutional monarchy. The country was formed in 1901 when the British Parliament allowed six separate British colonies on the continent to unite into one dominion. The Aboriginal Australians, who spoke 250 distinct languages and had one of the world's oldest living cultures, are the indigenous people of Australia.
Australia is a megadiverse country, with a wide variety of landscapes and climates. It has a high level of endemism, with 83% of mammals, 89% of reptiles, 24% of fish and insects, and 93% of amphibians found only in Australia. It is also home to around 800 species of birds, 45% of which are endemic.











































