
Australia is huge. Covering 7,688,287 square kilometres, it is the planet's sixth-largest country. In fact, it's about the same size as continental USA. To put it in perspective, travelling from Sydney to Perth (East Coast to West Coast) is about the same as travelling from New York to Los Angeles. Australia is the smallest continent and the world's largest island.
| Characteristics | Values |
|---|---|
| Total Area | 7,688,287 km2 (2,968,464 sq mi) |
| Global Ranking | Sixth-largest country |
| Oceania Ranking | Largest country |
| Population | 28 million |
| Land Extension | Extends from west to east for nearly 2,500 miles (4,000 km) and from Cape York Peninsula in the northeast to Wilsons Promontory in the southeast for nearly 2,000 miles (3,200 km) |
| Comparison to the USA | Australia is about the same size as continental USA. The land area of Australia is 2.989 million square miles compared to the land area of the US at 3.797 million square miles. |
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What You'll Learn

Australia is the sixth-largest country in the world
Australia is an extensive country, and its size is often surprising to many. In terms of area, Australia is the sixth-largest country in the world, covering a total land area of approximately 7,692,030 square kilometers. To put that into perspective, it is comparable in size to Brazil, which ranks fifth, and is more than twice the size of India, which is seventh on the list. Australia's vast landmass encompasses a diverse range of landscapes, from tropical rainforests in the north to arid deserts in the interior, and from snowy mountains in the Australian Alps to the lush vineyards and golden beaches along its coastlines. This diversity of terrain is a result of the country's geographical location, spanning three climatic zones.
The continent of Australia is part of the Australian Plate, which is one of the largest and least fragmented tectonic plates on Earth. This stability has contributed to the country's relatively consistent geography over millions of years. Australia is the only country that occupies an entire continent of the same name, and its size is comparable to that of the United States of America, China, or Canada. The country's exclusive economic zone, including its territorial waters, covers a total area of 8,148,250 square kilometers, which further emphasizes the country's significant presence on the world stage.
The country's largest state, Western Australia, covers almost one-third of the total Australian landmass, yet has a relatively small population, with most people choosing to live along the fertile southwest coast. In contrast, the smallest state, Tasmania, is home to a diverse range of landscapes, including rugged mountains, pristine beaches, and lush forests, all packed into an island about the size of South Carolina or Ireland. The Northern Territory, despite its vast size, has a sparse population, with most people choosing to live in the tropical capital city of Darwin or the red-earthed town of Alice Springs.
Australia's size and geographical location have had a significant impact on its history, culture, and economy. The country's Indigenous people, the Aboriginal and Torres Strait Islander peoples, have a deep connection to the land, with a rich cultural heritage that spans over 60,000 years. European colonization, which began in 1788, brought significant changes to the country, and the continent was gradually explored and settled by adventurers, farmers, and miners, among others. Today, Australia is a highly urbanized country, with approximately 75% of its population living in urban centers along the coast. The country's major cities, including Sydney, Melbourne, Brisbane, and Perth, are known for their cosmopolitan vibe and are recognized as global centers for commerce, culture, and tourism.
Australia's large land area and natural resources have also contributed to its economic development. The country has a strong services sector, including tourism, education, and finance, as well as a robust mining industry, agricultural sector, and manufacturing base. The country's vast interior has led to a reliance on air travel and long-distance road trips, and its isolated location in the Southern Hemisphere has fostered a strong maritime industry, with busy ports in cities like Sydney, Melbourne, and Fremantle. Australia's size and geography continue to shape its identity and provide a unique context for its people and their way of life.
So, Australia's position as the sixth-largest country in the world is a significant aspect of its character, influencing everything from its diverse landscapes and climate to its history, economy, and cultural identity. This vast country continues to captivate and inspire with its unique blend of natural wonders, vibrant cities, and rich cultural heritage. Its size is undoubtedly a key factor in shaping the Australia we know today.
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It's about the same size as continental USA
Australia is comparable in size to the contiguous United States, often referred to as the "lower 48" or simply "the mainland." When excluding Alaska and Hawaii, the contiguous US and Australia have similar land areas. Australia spans approximately 7.7 million square kilometers (2.9 million square miles), while the contiguous US covers about 8.1 million square kilometers (3.1 million square miles). This places the two regions in a similar size category, with the contiguous US being only slightly larger. To put this into perspective, one could superimpose the map of Australia over the contiguous US, and the coastal borders would align quite closely. Both countries possess a range of diverse landscapes, from expansive deserts to mountainous regions and densely populated coastal areas.
The similar sizes of the two regions become more apparent when comparing their respective lengths and breadths. Australia measures roughly 4,000 kilometers from east to west and around 3,200 kilometers from north to south. Similarly, the contiguous United States extends approximately 4,500 kilometers from east to west and 2,900 kilometers from north to south. These dimensions highlight the comparable geographical extents of the two areas. The east-west orientation of Australia and the north-south elongation of the contiguous US contribute to their analogous dimensions and territorial coverage.
The population distribution, however, differs significantly between the two regions. The contiguous US has a population of approximately 329 million people, while Australia's population is roughly 25 million. This translates to a population density of about 35 people per square kilometer in the US, compared to only 3 people per square kilometer in Australia. Consequently, the vast majority of Australia's population is concentrated along its coastal regions, particularly in urban centers like Sydney, Melbourne, and Brisbane. In contrast, the population of the contiguous US is more evenly distributed, with significant population centers spread across the country, including major cities like New York, Los Angeles, and Chicago.
Despite their comparable sizes, the geographical and topographical features of Australia and the contiguous US differ markedly. Australia is the world's largest island and the smallest continent, with a relatively flat landscape. A significant portion of the country is arid or semi-arid, and it is known for its unique and diverse ecosystems, including the Outback and the Great Barrier Reef. In contrast, the contiguous US offers a wider range of geographical variations, from the Rocky Mountains to the Great Plains and the Mississippi River Basin. The US also boasts a longer coastline along its eastern seaboard, contributing to a more substantial coastal ecosystem and a more extensive maritime history.
The similar sizes of Australia and the contiguous US provide a useful frame of reference for understanding the geographical extent of both regions. This comparison also underscores the diverse ways in which geographical space can be utilized and inhabited, given the significant differences in population distribution and the distinct natural environments found in each location. Considering their analogous sizes, the two regions offer intriguing contrasts and comparisons in terms of human settlement patterns, land use, and the interplay between natural landscapes and human societies.
This size similarity also has implications for various aspects of human activity and development. For instance, transportation infrastructure and travel times within each region may exhibit certain parallels. The comparable geographical scopes of Australia and the contiguous US could suggest similar challenges and opportunities in terms of resource management, urbanization, and regional planning. However, it is essential to acknowledge that the specific historical, cultural, and environmental contexts of each region play a significant role in shaping these dynamics.
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It's the smallest continent
Australia is often referred to as the smallest continent, and it is also the world's largest island. With a land area of approximately 7.69 million square kilometers, it is indeed the smallest of the seven traditionally recognized continents. This title of 'smallest continent' is due to a combination of its size and geographical isolation. Australia is almost 50% larger than Brazil, the next-biggest country after the continents, and around three times the size of India.
The continent of Australia is situated entirely in the Southern Hemisphere and is surrounded by the Indian and Pacific Oceans. It is unique in that it is both a continent and a country, and it has a relatively small population in comparison to its land mass. The majority of the population is concentrated along the coastal regions, particularly in the east and southeast, with vast areas of the interior being arid or desert.
The terrain of the continent is diverse, ranging from ancient rainforests and vast deserts to mountainous regions and tropical beaches. The Great Dividing Range, a series of mountain ranges and plateaus, runs along the east coast, while the vast Outback, a remote and sparsely populated region, dominates the interior. This includes the famous Uluru (Ayers Rock), a large sandstone monolith in the southern part of the Northern Territory.
Being the smallest continent, Australia is home to a unique array of flora and fauna, including many species found nowhere else on Earth. The continent has a long history of indigenous culture and a more recent colonial past, which has shaped its modern identity. The indigenous Australians have a deep connection to the land, with a rich cultural heritage that spans over 60,000 years.
In conclusion, Australia's status as the smallest continent is a reflection of its size relative to the other continents, but this does not diminish its significance. It is a vast and diverse country with a range of environments and a unique array of plant and animal life. Its geographical isolation has contributed to the development of its distinct ecology and culture, making it a fascinating and unique place in the world.
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The country is made up of the mainland, Tasmania and smaller islands
Australia is not only a country but also a continent, and it is the sixth-largest country in the world by total area. The country encompasses the entire Australian continent, extending from the continental mainland to the island of Tasmania and numerous smaller islands within the Indo-Pacific region.
The mainland of Australia is the largest part and covers about 7.69 million square kilometers. It includes diverse landscapes, from the tropical rainforests of Queensland to the arid Outback in the country's interior and the snowy mountains in the southeast. The mainland is bordered by the Indian Ocean to the west and the Pacific Ocean to the east, offering a lengthy coastline with varied geographic features.
Tasmania, the largest island, is located south of the Australian mainland, separated by Bass Strait. Tasmania covers an area of over 68,000 square kilometers and features a temperate climate, making it a haven for agricultural activities and outdoor pursuits. The island is known for its stunning natural scenery, including picturesque mountains, lush forests, and pristine beaches.
In addition to the mainland and Tasmania, Australia comprises numerous smaller islands. Some of the more notable ones include Kangaroo Island, located off the coast of South Australia, renowned for its unique wildlife and natural beauty; Fraser Island, the world's largest sand island, located along the southeastern coast of Queensland; and Christmas Island and Cocos (Keeling) Islands, located in the Indian Ocean, known for their distinct geography and diverse ecosystems.
These smaller islands contribute to the country's ecological diversity and offer unique cultural experiences. Many of them are popular tourist destinations, attracting visitors with their natural wonders, historical sites, and opportunities for outdoor activities such as hiking, snorkeling, and surfing. The inclusion of these islands within Australia's territory adds to its overall size and reinforces its presence in the Indo-Pacific region.
Together, the Australian mainland, Tasmania, and the smaller islands form a geographically diverse and expansive nation. Their collective area exceeds 7.7 million square kilometers, showcasing Australia's significant landmass and its varied landscapes, ecosystems, and cultural offerings.
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Australia extends 4,000km from west to east and 3,200km from north to south
Australia is a large country, covering a total area of 7,688,287 square kilometres (2,968,464 square miles). This makes it the sixth-largest country in the world and the largest in Oceania.
The country extends 4,000 kilometres from west to east and 3,200 kilometres from north to south. To put this into perspective, travelling from Sydney to Perth (East Coast to West Coast) is roughly the same as travelling from New York to Los Angeles.
Australia is the smallest continent and is highly urbanised, with a population of almost 28 million. The majority of the population is concentrated on the eastern seaboard, with the country's two largest cities, Sydney and Melbourne, each home to over 5 million people.
The vast country is globally isolated, with low relief and aridity across much of its surface. It is the world's flattest and driest inhabited continent, with a diverse range of landscapes and climates, including deserts in the interior and tropical rainforests along the coast.
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Frequently asked questions
Australia is the planet's sixth-largest country, with a total area of 7,688,287 sq km (2,968,464 sq mi).
Australia is slightly larger than the continental USA (lower 48 states). The land area of Australia is 2.989 million sq mi compared to the land area of the US at 3.797 million sq mi.
The Australian mainland extends nearly 2,500 miles (4,000 km) from west to east and nearly 2,000 miles (3,200 km) from Cape York Peninsula in the northeast to Wilsons Promontory in the southeast.
Australia's large size means that travel connections between destinations may be less frequent. Careful trip planning is required to account for longer travel times and fewer connections.
No, Australia is the smallest continent, but it is the world's largest island.















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