
Australia and the continental United States are often compared in terms of size, and many are surprised to learn that Australia is in fact larger. When comparing land area, Australia measures 2.989 million square miles, while the continental United States (excluding Alaska and Hawaii) covers 3.797 million square miles. Despite this, Australia is only slightly bigger, by 1.2%.
| Characteristics | Values |
|---|---|
| Land Area | Australia is approximately 7.7 million square kilometers, while the contiguous US is around 8.1 million square kilometers. However, if we include all territories of the US, it covers about 9.9 million square kilometers. So, the continental US is slightly smaller than Australia. |
| Population | As of 2023, the population of the continental US is over 333 million, while Australia's population is roughly 26 million. The US has a much higher population density, with around 36 people per square kilometer, compared to Australia's 3 people per square kilometer. |
| Geography | Australia is the world's smallest continent and the sixth-largest country by land area. The US, excluding its territories, is slightly smaller but has a more diverse landscape, including mountains, plains, deserts, and coastal regions. |
| Time Zones | Both countries span multiple time zones. The US has nine standard time zones, including those in its territories, while Australia has three. |
| States and Territories | The US consists of 50 states and several territories, while Australia is a federal parliamentary constitutional monarchy comprising six states and ten territories. |
| Climate | The climates in both countries vary significantly. Australia is known for its hot and dry weather, with large desert regions. The US has a diverse climate ranging from tropical in Hawaii to arctic in Alaska. |
| Economy | The US has the largest economy in the world in terms of GDP, while Australia has a strong, developed economy ranking 13th globally. |
| Culture and Diversity | Both countries are known for their cultural diversity, with significant indigenous populations and a multitude of ethnic groups and cultures. |
| Political System | The US is a federal presidential constitutional republic, and Australia is a federal parliamentary constitutional monarchy, both with strong democratic traditions. |
| Global Influence | Both the US and Australia are considered influential players on the world stage and are members of various international organizations. They are also close allies, with strong economic, political, and military ties. |
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What You'll Learn

Australia is 1.2% larger than the contiguous US
Australia is approximately 1.2% larger in area than the contiguous United States. The land area of Australia is 2.989 million square miles, while the US (excluding Alaska and Hawaii) spans 3.797 million square miles.
To put this into perspective, if you were to travel from Sydney to Perth in Australia (an east-to-west coast journey), the distance would be roughly equivalent to travelling from New York to Los Angeles in the US. Despite this similarity in size, Australia's population is significantly smaller than that of the US. The entire population of Australia is comparable to the population of the single state of Texas in the US.
Australia is officially known as the Commonwealth of Australia and comprises the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the world's sixth-largest country by total area.
While Australia is slightly larger than the contiguous US, it is important to note that this comparison excludes the US states of Alaska and Hawaii. When considering the total land area of the entire United States, including Alaska and Hawaii, the US surpasses Australia in size.
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The land area of Australia is 2.989 million square miles
The land area of Australia is an impressive 2.989 million square miles, which is indeed a vast expanse. To put this into perspective, if you were to imagine covering the entire land area of Australia with a single square mile blocks, you would need nearly 3 million of them to completely cover the country. This massive land area makes Australia the sixth largest country in the world in terms of total area. When comparing the land area of Australia to that of the contiguous United States, which encompasses a total area of approximately 3.1 million square miles, we can see that Australia is slightly smaller. However, it's important to note that this difference in size is not drastically large, and Australia is still a massive country, boasting a land area that is comparable to that of the contiguous US.
This vast land area of Australia is distributed across its mainland and several islands. The mainland of Australia is the world's largest monolith, often referred to as an island continent. This mainland constitutes the majority of Australia's land area, measuring about 2.944 million square miles. The remaining land area comes from a variety of islands, the largest of which is Tasmania, located south of the mainland. These islands contribute significantly to Australia's total land area, offering diverse landscapes and ecosystems that complement those found on the mainland.
The Australian continent is incredibly diverse geographically, featuring a wide range of landscapes and natural wonders. From the majestic Outback, renowned for its rugged beauty and vast expanses, to the lush rainforests and pristine beaches, Australia's natural environment is truly unique. The country is home to the Great Barrier Reef, the world's largest coral reef system, which stretches over 1,400 miles along the northeast coast. This natural wonder alone covers an area of over 133,000 square miles, providing a habitat for an astonishing array of marine life.
Australia's land area also encompasses a variety of climates, ranging from tropical in the north to temperate in the south. This diversity in climate contributes to the country's varied landscapes and ecosystems. The north experiences hot and humid weather throughout the year, with monsoonal wet seasons. In contrast, the south enjoys four distinct seasons, with cooler winters and warm to hot summers. This variation in climate across the continent influences the distribution of flora and fauna, resulting in diverse and unique regional ecosystems.
The size and diversity of Australia's land area present both opportunities and challenges. The country's vast expanse offers abundant natural resources, including valuable minerals and natural wonders that attract tourists from all over the world. However, the large land area also presents challenges in terms of infrastructure development and service delivery, especially in remote and regional areas. Effective management and sustainable practices are crucial to balancing the utilization of resources and the preservation of Australia's unique and fragile ecosystems.
Australia's land area, covering 2.989 million square miles, sets it apart as a country of immense size and diversity. This vast expanse encompasses a range of landscapes, climates, and natural wonders that contribute to Australia's unique character and global appeal. Effective management and conservation of this land are essential to ensure the country's natural beauty and resources are preserved for future generations to enjoy.
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The US is 3.797 million square miles
The United States is approximately 3.797 million square miles in total area, including all land and water masses. To put this in context, if we were to consider only the contiguous United States, excluding Alaska and Hawaii, the area covers about 3.1 million square miles. This figure represents the continuous block of US territory that spans from the Canadian border in the north to the Mexican border in the south and from the Pacific Ocean in the west to the Atlantic Ocean in the east. Imagine a vast expanse covering almost the entire southern portion of North America, stretching across diverse landscapes, from dense cities to sprawling suburbs, majestic mountains, and expansive deserts.
Now, let's compare this to the size of another massive country, Australia. Australia, being the sixth-largest country in the world, covers approximately 2.97 million square miles. This means that even the contiguous US, without including Alaska and Hawaii, is larger than Australia by about 200,000 square miles, which is no small difference. To put this into perspective, the entire state of Alaska is roughly 665,000 square miles, almost double the size of Texas, so even when comparing the lower 48 states to Australia, the US still holds a significant size advantage.
When we include Alaska, Hawaii, and all the US territories in the calculation, the total area of the US surpasses that of Australia by a significant margin. Alaska alone nearly doubles the contiguous US land area, and Hawaii adds another archipelago of islands to the equation. While Australia may seem like an expansive country, the US, with all its territories considered, is indeed bigger. This vast land area of the US accommodates a diverse range of ecosystems, climates, and natural wonders, from the snowy peaks of Alaska to the sunny beaches of Hawaii and everything in between.
The sheer size of the US has had a profound impact on its history, culture, and development. It has allowed for a diverse range of industries, from agriculture to manufacturing, and has influenced transportation, communication, and the overall way of life across different regions. The US is known for its varied landscapes, from the dense urban centers of the east and west coasts to the wide-open plains and grasslands of the Midwest, and the rugged mountains and deserts of the west. Each region has its own unique character and contributes to the country's overall diversity and economic strength.
The US's land area also translates to a variety of climates and weather patterns. The size of the country contributes to the diverse weather conditions experienced across different regions. From the harsh winters in the north to the sunny and warm climates in the south, and from the hurricane-prone regions along the eastern seaboard to the drought-prone areas in the west, the US's large landmass accommodates a range of weather systems and climatic conditions. This diversity presents both challenges and opportunities for those living in different parts of the country.
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Australia is the world's sixth-largest country
The country's size is perhaps best appreciated through its varied ecosystems and unique wildlife, much of which is found nowhere else on Earth. The Great Barrier Reef, for example, is the world's largest coral reef system, spanning over 2,300 kilometers and visible from space. Australia is also home to iconic animals such as the kangaroo, koala, and emu, as well as a multitude of unique bird and reptile species.
The Indigenous Australians, the original inhabitants of the land, have a deep connection to this diverse environment, with a rich cultural history that stretches back millennia. European colonization brought significant changes, and today Australia is a highly urbanized country, with most of its population concentrated along the coastal regions. Despite this, the Australian landscape remains a defining feature of the country, shaping its culture, economy, and international reputation.
Australia's size also contributes to its varied climate, which ranges from tropical in the north to temperate in the south. The vast interior, known as the Outback, experiences low rainfall and high temperatures, while the coastal regions are generally milder and more humid. This diversity of climate and landscape has shaped Australia's agricultural and resource-based industries, which are key components of the country's economy.
In conclusion, Australia's status as the sixth-largest country in the world is not just a geographical fact but a key aspect of its national identity. From its vast and varied landscapes to its unique wildlife and cultural heritage, Australia's size has played a pivotal role in shaping the country we know today. This distinctive geography continues to capture the imagination of Australians and visitors alike, solidifying Australia's place as a significant and unique player on the world stage.
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Australia's population is less than America's
Australia is approximately 1.2% larger than the contiguous United States in terms of land area. The land area of Australia is 2.989 million square miles, while the land area of the contiguous US is 3.797 million square miles. Despite Australia's slightly larger land mass, its population is significantly smaller than that of the United States. Australia's population is comparable to that of the single US state of Texas.
There are several factors that contribute to this disparity in population between the two countries. One key factor is historical context. The United States has a long history of immigration and population growth. For centuries, people from all over the world have been drawn to the United States in search of new opportunities, resulting in a steady population increase over time. In contrast, Australia's history of colonization and settlement began much later, and the country has not experienced the same level of immigration on a consistent basis.
Additionally, the United States has a higher population density, particularly in its urban areas. The country is known for its densely populated cities, such as New York, Los Angeles, and Chicago, which contribute significantly to the overall population. In contrast, Australia's population is more dispersed, with a significant portion of its residents living in smaller towns and rural areas. This difference in population distribution also plays a role in the overall population numbers.
Moreover, the United States has a higher birth rate compared to Australia. This contributes to a naturally growing population, further increasing the population disparity between the two countries. Cultural, social, and economic factors may influence birth rates, and these factors can vary significantly between countries.
Lastly, it is worth considering the geographical and environmental differences between the two countries. The United States has a diverse range of climates and landscapes, from snowy mountains to sunny beaches, which may appeal to a wider range of people looking to relocate. Australia, on the other hand, has a large desert interior, with a significant portion of its land being less habitable, which may be less appealing for potential immigrants.
In summary, despite Australia's slightly larger land area, the United States has a significantly larger population. This can be attributed to historical contexts, population distribution, birth rates, and geographical and environmental factors that influence immigration patterns and population growth.
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Frequently asked questions
Yes, Australia is around 1.2% bigger than the contiguous 48 United States.
Australia has a land area of 2.989 million square miles, while the continental US has a land area of 3.797 million square miles.
Travelling from Sydney to Perth in Australia (East Coast to West Coast) covers a similar distance to travelling from New York to Los Angeles in the US.
Australia's population is significantly lower than that of the United States. The whole of Australia has a similar number of people as the single state of Texas in the US.





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