
Australia, officially known as the Commonwealth of Australia, is a megadiverse country with a total area of 7,688,287 square kilometres (2,968,464 square miles). It is the planet's sixth-largest country, the largest in Oceania, and the world's largest island. Australia is about the same size as continental USA, with a land area of 2.989 million square miles compared to the US's 3.797 million square miles.
| Characteristics | Values |
|---|---|
| Total area | 7,688,287 km2 (2,968,464 sq mi) |
| World ranking | Sixth-largest country |
| Oceania ranking | Largest |
| Land mass | Smallest continent |
| Island ranking | Largest |
| Population | About the same as the state of Texas |
| Comparison | Similar size to the continental USA |
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What You'll Learn

Australia is the world's sixth-largest country
Australia is an extensive and diverse country, and its size is often surprising to many. Spanning approximately 7.7 million square kilometers (2.9 million square miles), Australia is the world's sixth-largest country by total area. This vast continent-country is slightly smaller than Brazil, which ranks fifth, and larger than India, which comes in at seventh place. To put this into perspective, if you were to superimpose Australia over a map of the United States, it would cover almost 50 percent of the continental USA, stretching from the East Coast to beyond the Rocky Mountains.
Australia's landmass is not only impressive in comparison to other nations but also in terms of its own unique geography. The country is characterized by a wide range of landscapes, from arid deserts to tropical rainforests, and its size becomes even more remarkable when you consider that much of the land is uninhabited. The population of Australia is predominantly urban, with around 25 million people, which is a relatively small number given the country's size. This means that vast areas of the country remain wild and untouched, contributing to Australia's allure as a land of natural wonders and unique ecosystems.
The sheer size of Australia also brings a range of climatic conditions and diverse environments. The north experiences a tropical climate with distinct wet and dry seasons, while the south enjoys a more temperate climate with four distinct seasons. The vast interior, known as the Outback, is known for its arid conditions and iconic red-earth landscapes. Australia's size and geographical position also contribute to its isolation, as it is surrounded by ocean on all sides, contributing to its unique flora and fauna, with many species found nowhere else on Earth.
Australia's vast expanse also translates to a lengthy coastline, which is a significant feature of the country's geography. With over 35,000 kilometers (22,000 miles) of coastline, Australia boasts some of the world's most iconic beaches and coastal landscapes. The famous Great Barrier Reef, for example, stretches over 2,300 kilometers (1,400 miles) along the northeast coast, showcasing the beauty and diversity of Australia's marine environments. From the rugged beauty of Tasmania in the south to the tropical paradise of Far North Queensland, Australia's coastline offers a wealth of natural wonders and recreational opportunities.
In conclusion, Australia's position as the world's sixth-largest country is a testament to its vast and diverse landscapes, unique environments, and natural wonders. Its size contributes to a range of climatic zones and geographical features, from the tropical north to the temperate south, and the arid interior. With its large landmass, extensive coastline, and relatively small population, Australia stands as a significant and remarkable country on the world stage, offering a wealth of opportunities for exploration and discovery.
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It's the smallest continent
Australia is the smallest continent in the world, with a land area of almost 3 million square miles. It is part of the region of Oceania, which also includes New Zealand. The continent of Australia includes the mainland, Tasmania, and the island of New Guinea, which comprises Papua New Guinea and Western New Guinea. It is sometimes referred to as an island continent, as it is surrounded by oceans and is the largest island in the world.
The country of Australia accounts for just five percent of the world's land area and is the sixth-largest country in the world. It is the world's flattest and driest inhabited continent. Australia has a wide variety of landscapes and climates, including deserts in the interior and tropical rainforests along the coast.
The term Oceania was originally a "great division" of the world in the 1810s, but in the 1950s, the concept of Australia as one of the world's continents became popular in English-speaking countries. Prior to this, Antarctica, Australia, and Greenland were sometimes described as island continents, but they were not typically taught as continents.
In terms of population, Australia is the second smallest continent, with just over 40 million people. However, if we exclude Antarctica, then Australia becomes the smallest populated continent. Australia has the world's ninth-largest immigrant population, and in the decades following World War II, it experienced a large wave of immigration from across Europe.
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Australia is about the same size as continental USA
Australia is the smallest continental land mass, yet it is the world's largest island. It is officially the Commonwealth of Australia, comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It has a total area of 7,688,287 square kilometres (2,968,464 square miles), making it the sixth-largest country in the world and the largest in Oceania.
Australia is the world's flattest and driest inhabited continent. It has a wide variety of landscapes and climates, including deserts in the interior and tropical rainforests along the coast. The continent includes a continental shelf overlain by shallow seas, which divide it into several landmasses, such as the Arafura Sea and Torres Strait between mainland Australia and New Guinea, and Bass Strait between mainland Australia and Tasmania.
Australia is home to a diverse range of flora and fauna, with typical Southern Hemisphere flora including the conifers Podocarpus (found in eastern Australia and New Guinea), the rainforest emergents Araucaria (eastern Australia and New Guinea), Nothofagus (New Guinea and Tasmania), and Agathis (northern Queensland and New Guinea). The unique hard-leaved sclerophyllous plants also characterise the modern Australian landscape.
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It's the largest island in the world
Australia is indeed the planet's biggest island—and one of its most significant landmasses, only rivaled by the vast continents of Asia, Africa, North America, and South America. Spanning a total area of roughly 7.7 million square kilometers (almost 3 million square miles), this expansive island-continent boasts a maximum width of around 4,000 kilometers (2,500 miles). To put this into perspective, it's comparable in size to the United States of America, excluding Alaska, which it surpasses in land area.
This colossal island is a product of its unique geological history, having broken away from the supercontinent of Pangaea over 200 million years ago. Since then, Australia has drifted northwards, ultimately separating from Antarctica and forging its distinct identity. The Australian landmass is so substantial that it sits on its own tectonic plate, known as the Australian Plate, which also encompasses New Zealand and New Caledonia.
Australia's vast expanse encompasses a diverse range of landscapes, from the tropical rainforests of Queensland to the arid outback of the Red Centre, and from the snowy peaks of the Australian Alps to the sun-soaked beaches that fringe its coastline. The country is divided into six states and two territories, each contributing to its rich cultural and natural heritage. This includes iconic landmarks like Uluru (Ayers Rock), the Great Barrier Reef, and the Sydney Opera House, which have come to symbolize this diverse and dynamic island continent on a global scale.
The sheer size of Australia also brings unique challenges and opportunities. The continent's central desert regions experience some of the most extreme temperatures on Earth, while its remote interior presents logistical hurdles for communication and transportation. On the other hand, the continent's abundant natural resources, from minerals and metals to rich agricultural land, have driven economic growth and innovation.
Australia's status as the world's largest island is a testament to its geological significance and the diverse natural wonders it offers. From its ancient rocky outcrops and vast wilderness areas to its vibrant modern cities, this expansive island-continent continues to captivate and inspire exploration and discovery.
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Australia is 7,688,287 km squared
Australia, officially known as the Commonwealth of Australia, is a megadiverse country with a total area of 7,688,287 square kilometres (2,968,464 square miles). This makes Australia the sixth-largest country in the world by area, after Russia, Canada, China, the USA, and Brazil.
Australia accounts for just five percent of the world's land area, which is 149,450,000 km2. Despite being the smallest continental land mass, Australia is the largest island in the world. The country is comprised of the mainland Australian continent, the island of Tasmania, numerous smaller islands, and remote offshore territories, including the Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Coral Sea Islands, Heard and McDonald Islands, and Norfolk Island.
Australia is also the largest country in Oceania, the geographical region in which it is located. The continent of Australia, sometimes referred to as Sahul, Australinea, or Meganesia, includes mainland Australia, Tasmania, the island of New Guinea, the Aru Islands, and other nearby islands. The continent has a total area of 2,700,000 square miles (7,000,000 km2), making it the smallest of the seven traditional continents.
To put the size of Australia into perspective, travelling from Sydney to Perth (East Coast to West Coast) is roughly equivalent to travelling from New York to Los Angeles in the USA.
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Frequently asked questions
Australia is the sixth-largest country in the world, with a land area of 2,968,464 sq mi or 7,688,287 km2.
Australia is about the same size as the continental USA. The land area of the USA is 3.797 million square miles, while Australia's is 2.989 million square miles.
Australia is the smallest of the seven traditional continents. However, it is the largest island in the world.
Traveling from Sydney to Perth (Australia's East Coast to West Coast) is about the same distance as traveling from New York to Los Angeles in the USA.
Australia's population is significantly less than that of the USA. The whole of Australia has about the same number of people as the state of Texas.



































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