Ruqayyah Snyder
Australia and the United States differ significantly in terms of population size and density. The US is home to around 311.2 million people, whereas Australia's population is approximately 26.1 million, comparable to the population of the single state of Texas. Australia is the third least densely populated country globally, with only 3.4 people per square kilometre, compared to the US, which is 27% larger in terms of land mass.
How does the population of Australia compare to that of the United States?
| Characteristics | Values |
|---|---|
| Population | Australia: 26.2 million United States: 333 million |
| Population Density | Australia: 3.4 people per square km United States: 35 people per square km |
| Land Area | Australia: 7.7 million square km United States: 9.9 million square km |
| Population Growth Rate | Australia: 0.9% (2020 est.) United States: 0.4% (2020 est.) |
| Median Age | Australia: 37.4 years United States: 38.5 years |
| Urban Population | Australia: 86.2% (2020) United States: 82.7% (2021) |
| Life Expectancy at Birth | Australia: 82.9 years United States: 77.4 years |
| Net Migration Rate | Australia: 5.6 migrant(s)/1,000 population (2020 est.) United States: 2.73 migrant(s)/1,000 population (2020 est.) |
| Total Fertility Rate | Australia: 1.66 children born/woman (2020 est.) United States: 1.73 children born/woman (2020 est.) |
| Nationality | Australia: Australian United States: American |
| Ethnic Groups | Australia: English, Irish, Scottish, Welsh, Italian, German, Chinese, Indian, Greek, Dutch United States: White, Black or African American, Asian, Native American, Pacific Islander, mixed or other |
| Religions | Australia: Protestant, Catholic, Eastern Orthodox, Buddhist, Muslim United States: Protestant, Catholic, Mormon, Jewish, Buddhist, Muslim |
| Languages | Australia: English (official) United States: English (de facto official), Spanish |
| Government Types | Australia: Parliamentary Federal Democracy and a Commonwealth Realm United States: Federal Presidential Republic |
| Head of State | Australia: King Charles III (represented by Governor-General David Hurley) United States: President Joe Biden |
| GDP per capita | Australia: $54,563 United States: $69,375 |
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What You'll Learn
- Population size: Australia has 26.1 million people, the US has 311 million more
- Population density: Australia is the world's third least densely populated country
- Population distribution: 89% of Australians live in urban areas
- Population growth: Australia's rate of natural increase has been falling since 1962
- Life expectancy: Australia's is one of the highest in the world
Population size: Australia has 26.1 million people, the US has 311 million more
As of 2023, the population of Australia is approximately 26.1 million people. In contrast, the population of the United States is significantly larger, with over 337 million people as of 2023. This means that the US population is more than thirteen times that of Australia. The difference in population size is even more striking when compared to the land area of the two countries. Australia, being the smaller continent, has a total land area of approximately 7.7 million square kilometers, while the United States has a total area of about 9.9 million square kilometers. This highlights the vast difference in population density between the two nations.
The population density of Australia is relatively low compared to many other developed countries, with approximately 3.4 people per square kilometer. This is due in part to the vast expanse of desert and arid land in the country, as well as the concentration of people in urban areas along the coast. In contrast, the United States has a population density of about 33.9 people per square kilometer, which is almost ten times higher than that of Australia. This is despite the fact that the US also has large desert and mountain regions, as well as significant forest cover, particularly in the northern states.
The majority of Australia's population is urban, with approximately 67% of people living in capital cities and other major urban centers. This is due to a range of factors, including the historical development of the country, the concentration of economic opportunities in urban areas, and the availability of services and infrastructure. In comparison, the United States has a more even distribution of its population, with approximately 82% of people living in urban areas. This may be influenced by the larger land area of the US and the presence of multiple large and diverse cities spread across the country.
Despite the significant difference in overall population, Australia and the United States share some similarities in population dynamics. Both countries have a relatively high life expectancy, with Australia having an average life expectancy of 82.8 years and the US 79.7 years. Additionally, both countries have experienced immigration as a significant factor in their population growth, with international migration contributing to both countries' cultural diversity. However, the US has a higher birth rate compared to Australia, with a total fertility rate of 1.67 children per woman compared to Australia's 1.64.
In terms of population growth, Australia has experienced a steady increase in recent years, with a growth rate of approximately 1.4% annually. This is expected to continue, with projections estimating Australia's population to reach 42 million by 2060. In comparison, the United States has a lower growth rate of around 0.4% annually, with a projected population of over 400 million by 2060. However, it is worth noting that these projections are subject to change and are influenced by various factors such as birth rates, life expectancy, and immigration policies.
The population comparison between Australia and the United States highlights the vast differences in scale between the two countries. With a population of 26.1 million, Australia is a relatively small country, while the US, with over 337 million people, is one of the most populous nations in the world. This disparity in population size presents contrasting challenges and opportunities for the social, economic, and environmental development of the two nations. As such, understanding these differences is crucial for making informed decisions and policies that cater to the unique needs of each country.
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Population density: Australia is the world's third least densely populated country
Australia's population is about 25.5 million as of 2020, with projections of 27 million in 2025 and 42.68 million by 2099. In contrast, the US has a population of over 331 million as of 2020. The population of Australia is equivalent to 0.33% of the total world population, and it ranks 55th in the list of countries by population. The population density in Australia is 3 to 4 people per square kilometre, compared to 35.71 in the US. This makes Australia the third least densely populated country in the world.
When comparing cities, Melbourne has a population density of 1,500 people per square kilometre, while Sydney has approximately 1,900. In contrast, West London, the most densely populated area in the UK, has around 20,000 people per square kilometre. Dhaka in Bangladesh has a population density of 45,000 people per square kilometre.
Sydney is considered one of the world's largest metropolitan catchments, attracting hundreds of thousands of people. However, Dr Michael Grosvenor of the University of Queensland argues that demographers use inaccurate measures of population density for Australia. He suggests a method employed by the European Commission, which created the Global Human Settlement Layer map. This method divides urban areas into square-meter blocks and only considers inhabited blocks. Using this method may provide a more accurate picture of Australia's demographic situation.
The low population density in Australia can be attributed to its large land area, which is the sixth-largest in the world at 7.692 million square kilometres. The country's population growth rate is estimated at over 1.5% annually, driven by factors like migration.
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Population distribution: 89% of Australians live in urban areas
Australia has a significantly smaller population than the United States, with around 27 million people, which is comparable to the population of the state of Texas, which has 30 million.
Australia is one of the most urbanized nations in the world, with 86.62% of its population living in urban areas as of 2023. This figure has been above 80% since the 1960s, reaching its highest-ever rate in 2023. In fact, 90% of the population lives on just 0.22% of Australia's land area, and 87% live within 50 kilometres of the coast.
As of the 2016 Census, more than two-thirds of Australians lived in a capital city, with 40% of the population in the two largest cities of Sydney and Melbourne. Australia's high urbanization rate is due to high rates of immigration since the 20th century, which were generally to coastal, urban areas.
Despite its high urbanization rate, Australia is among the largest countries in the world, so its population density is among the lowest globally.
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Population growth: Australia's rate of natural increase has been falling since 1962
Australia's population growth averaged 1.4% per year from 30 June 1994 to 30 June 2024. In 2020, the population was approximately 25.4 million, rising to 25.7 million in 2021 and 26 million in 2022. Australia's population growth was affected by the COVID-19 pandemic, with the introduction of international border restrictions causing population growth to fall to a historical low of 0.1% in 2020–21. Following the easing of international border restrictions and the return of overseas migration in late 2021, Australia’s population grew by 2.5% in 2022–23 and 2.0% in 2023–24.
Australia's rate of natural increase has been falling since 1962 due to declining fertility rates. The total fertility rate has decreased from 1.85 babies per woman in 1993–94 to 1.49 in 2023–24, remaining below the replacement level of 2.1 since the mid-1970s. This decline in fertility is also reflected in the decreasing number of births, with 289,000 births in 2023–24, a decrease of 0.6% from the previous year and the lowest number since 2006–07.
While the number of births has declined, life expectancy in Australia has increased over time and is among the highest in the world. In 2015–2017, the life expectancy at birth was 83.2 years, and in 2021-2023, it was 81.1 years for males and 85.1 years for females. However, the COVID-19 pandemic has negatively impacted life expectancy, and it is expected to remain below the pre-pandemic trend until 2028–29.
Despite the increase in life expectancy, the number of deaths has grown faster than births in recent years, reflecting an ageing population. In 2023, there were 183,131 registered deaths, a decrease of 7,808 from the previous year. The standardised death rate also decreased to 5.1 deaths per 1,000 people in 2023, down from 5.5 in 2022.
In summary, Australia's population growth has been impacted by declining fertility rates and the COVID-19 pandemic. The rate of natural increase has been falling since 1962, and the country is facing an ageing population due to increased life expectancy and a decreasing number of births. However, international migration has also played a significant role in population growth, with Australia experiencing sharp declines during the pandemic but subsequently recording its highest population growth rates in decades as borders reopened.
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Life expectancy: Australia's is one of the highest in the world
Australia has a significantly smaller population than the United States, with around 27 million people, which is comparable to the population of the state of Texas. However, when it comes to life expectancy, Australia has consistently outperformed the US over the last three decades. According to a study by Penn State University researchers, Australia has led the English-speaking world in life expectancy, while the US has lagged behind.
In 2019, the life expectancy for Americans was 81.5 years for women and nearly 76.5 years for men. In comparison, Australians had longer life expectancies, with women living nearly four more years and men living approximately five more years than their American counterparts. This trend is also evident when comparing Australia to other large, wealthy countries in the Organisation for Economic Co-operation and Development (OECD). The US has the lowest life expectancy among these countries, with a life expectancy of 78.4 years in 2023, 4.1 years lower than the comparable country average of 82.5.
Several factors have contributed to Australia's higher life expectancy. One notable difference is the implementation of policies such as gun law reforms, which have positively impacted mortality rates. Additionally, Australia has addressed issues related to sedentary lifestyles, high obesity rates, unhealthy diets, stress, and a history of smoking, which have been linked to lower life expectancy in the US.
The US can learn from Australia's successes in improving life expectancy. By examining and addressing cultural and behavioural patterns that impact health, the US can strive to achieve higher life expectancy and lower geographic inequality in life expectancy across the country.
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Frequently asked questions
The population of the US is significantly larger than that of Australia. Australia has around 26-27 million people, while the US population is over 311 million.
The population density of Australia is 3.4/km2, making it the third least densely populated country in the world. The US, with a population of over 300 million and a land area of 9,833,517 sq km, has a much higher population density.
Population projections indicate that continued low fertility and an increase in deaths from an ageing population will result in a natural increase falling below zero in the mid-2030s.
