
Australia and Canada are similar in size, yet Canada's population is higher than Australia's. This can be attributed to various factors, including historical migration patterns, geographical differences, climate, and the availability of natural resources. Australia's population growth has been impacted by its strict migration laws, the concentration of inhabitants in coastal cities, and the lack of inland water systems. Canada, on the other hand, has historically attracted migrants due to its proximity to the US and its colder climate, which some prefer despite the abundance of inhabitable land in Australia. Additionally, factors such as the COVID-19 pandemic and its impact on migration have also played a role in shaping population trends in both countries.
| Characteristics | Values |
|---|---|
| Population growth | Australia's population growth averaged 1.4% per year from 30 June 1994 to 30 June 2024. |
| The COVID-19 pandemic caused population growth to fall to a historical low of 0.1% in 2020-21. | |
| Following the easing of international border restrictions, Australia's population grew by 2.5% in 2022-23 and 2.0% in 2023-24. | |
| Fertility rate | Australia's fertility rate has fallen from 1.85 to 1.49 babies per woman over the 30 years from 1993-94 to 2023-24. |
| Life expectancy | Life expectancy in Australia is among the highest in the world. |
| Migration | Australia has high rates of interstate migration compared to other countries, although the rate has declined from its peak in the 1980s and 1990s. |
| The COVID-19 pandemic reduced net interstate migration across Australia, with a 23% drop in the number of interstate moves from 2018-19 to 2020-21. | |
| Australia's population growth is similar to that of New Zealand and Canada, with all three countries having smaller populations and higher contributions to growth from net overseas migration. | |
| Geography | The vast majority of Australia is uninhabitable, with most of the population living in coastal areas and major cities. |
| Australia's interior lacks river systems, which may have limited the number of early settlements. | |
| Climate | Canada's cold climate may be a factor in its lower population compared to the US. |
| History | Canada has had a lower population than the US since 1620 due to the draw of the American economy. |
| Australia and Canada are relatively young countries compared to most of Europe. |
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What You'll Learn

Migration laws and physical isolation
Australia's population is lower than Canada's due to several factors, including migration laws and physical isolation.
Migration Laws
Australia has historically had strict migration laws that have controlled the flow of people into the country. Since its federation in 1901, the country has leveraged its island status to implement and enforce these laws. This has resulted in a lower population compared to other countries, including Canada, which has had a larger influx of migrants over the years.
Physical Isolation
The physical distance and isolation of Australia have also played a role in its lower population. Historically, it has been easier for people to migrate to Canada, particularly from the United States, than to Australia due to its remote location. Additionally, Australia's inland deserts and lack of substantial river systems like those found in the US make large parts of the country uninhabitable, with most of the population concentrated in coastal areas and cities. In contrast, Canada, despite having challenging geography for transportation infrastructure, has had the advantage of being geographically closer to the US, which has drawn people to its southern neighbour, especially during the 19th century.
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Climate and geography
Australia and Canada are similar in size, yet Canada's population is higher. One reason for this discrepancy is geographical. The vast majority of Australia is uninhabitable, with most of the population living on the coastal fringes. In Canada, the equivalent uninhabitable geography is the boreal forests and tundra, with the population concentrated within 100km of the US border.
The availability of water is also a factor. Australia's interior lacks the river systems that allowed massive amounts of settlements in the early days of the US. Australia has the same amount of arable land as France, Germany and Spain combined, but only a fraction of the combined population of those countries.
Climate is another factor. Canada is very cold, and while it could sustain many more people, there are simply more attractive places that are much easier to inhabit. Australia, too, has a challenging climate, and its population growth has been affected by the COVID-19 pandemic, with international border restrictions causing population growth to fall to a historical low of 0.1% in 2020-21.
Both countries are relatively young, post-industrialised nations with low growth rates. Most population growth is through immigration, so politics also define growth rates.
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Population concentration
Australia's population is lower than Canada's due to a variety of factors, including geography, history, migration policies, and industrialization. Firstly, the geography and climate of both countries have been cited as factors. Australia's interior lacks extensive river systems, which are more prevalent in North America, and this may have impacted population distribution and concentration. Additionally, the arid desert conditions in Australia and the tundra and cold weather in Canada are often mentioned as limiting factors for population growth. However, some dispute the significance of these geographical and climatic factors, arguing that Australia has more arable land than France and Turkey combined, and that projects like Alice Springs sustain average populations in the outback.
The history of colonialism and migration patterns also play a role in the population concentration. Canada has historically attracted more European settlers, particularly those seeking economic opportunities in neighbouring USA. Canada's proximity to the USA and its more liberal immigration policies have made it more accessible to migrants. In contrast, Australia's island status has allowed it to strictly control migration since its federation in 1901, potentially limiting population growth. Additionally, the earlier colonization of Canada, approximately 150 years before Australia, provided more time for population growth.
The concentration of Canada's population within 100 km of the US border, particularly in fertile lands at the same latitude as Michigan and New York, also contributes to the population difference. Calgary and Edmonton are notable exceptions, being population centers located further north. The availability of freshwater in Canada, approximately 20% of the world's supply, is another factor, although much of it is in areas that are not suitable for settlement. Ultimately, the lower population density in Australia compared to Canada is influenced by a combination of geographical, historical, and political factors, as well as migration patterns and industrialization.
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Fertility rate
While the fertility rate of the current population of a country is an important factor in its population size, historical factors have also played a role in shaping the populations of Australia and Canada.
Firstly, it is important to note that the populations of both countries have been influenced by the history of colonialism and the treatment of indigenous peoples. During the colonial era, there was a significant loss of life among the indigenous populations of both Australia and Canada due to genocide. Additionally, Australia's indigenous population was never densely distributed, even before colonisation.
Secondly, the availability of arable land and water resources has been suggested as a factor influencing population size. However, this idea has been contested, as Australia has a significant amount of arable land and Canada possesses abundant freshwater resources. Nevertheless, it is worth noting that the majority of Canada's freshwater sources are located in areas that are not suitable for settlement.
Another crucial factor is the timing and trajectory of colonisation and industrialisation. Canada has had a longer history of colonisation, providing more time for its population to grow. Additionally, Canada's proximity to the US and its more liberal immigration policies have made it a more attractive destination for immigrants, further contributing to its higher population.
Furthermore, the concentration of Canada's population within 100 km of the US border, particularly in fertile regions comparable to US states like Michigan and New York, has contributed to its higher population density in these areas. In contrast, Australia's interior lacks comparable river systems, which may have limited its population growth.
Finally, Australia's island status has allowed it to strictly control migration since its federation in 1901, which may have also contributed to its lower population relative to Canada.
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Migration from Canada to the US
Australia's population is lower than Canada's due to several factors, including historical migration patterns, geography, climate, and economic opportunities. Historically, it has been easier to migrate to Canada than Australia due to its proximity to the US. Australia's isolation and strict migration laws have made it less accessible to potential migrants. Additionally, Australia's inland deserts and lack of river systems comparable to those in the US have made it less conducive to settlement.
Canada, on the other hand, has a more favourable climate and geography, particularly in the Great Lakes area and the Saint Lawrence River valley, which are closer to the US border. However, Canada's population growth is also influenced by migration to the US, as talented Canadians often move south for better economic opportunities and education. This "osmotic talent loss" has contributed to Canada's lower population compared to the US.
Canada's Express Entry program is a pathway for skilled workers to immigrate, and language proficiency is a factor, as Canada has two official languages, English and French. American lawyers moving to Canada to practice law may need to undergo an apprenticeship, and understanding Canadian law is crucial. Family sponsorship and regional programs are also options for Americans seeking permanent residence in Canada.
The migration flow between Canada and the US is influenced by various factors, including economic opportunities, educational aspirations, and political events. While Canada attracts immigrants, it also experiences a talent drain to the US, contributing to its lower population compared to its southern neighbour. Understanding the push and pull factors driving migration decisions helps explain the population dynamics between these two countries.
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Frequently asked questions
Australia and Canada are similar in size, but Australia's interior lacks river systems, and the majority of the country is uninhabitable desert. Most of the population is concentrated on coastal fringes, and in major cities.
Australia has strict migration laws, and its geographical isolation makes it less accessible than Canada, which shares a border with the US.
Australia's population growth fell to a historical low of 0.1% in 2020-21 due to international border restrictions. However, the population grew by 2.5% in 2022-23 and 2.0% in 2023-24 as borders reopened and overseas migration returned.
Australia's fertility rate has declined over the years and is currently below the replacement level of 2.1. In 2023-24, the fertility rate was 1.49 babies per woman, the lowest in over a decade.
Australia's population growth rate is similar to New Zealand and Canada, and all three countries have smaller populations and higher contributions to growth from net overseas migration, resulting in more volatile growth rates than larger countries like the US.











































