Ruqayyah Snyder
Australia's population has grown significantly over the past century, with a notable boost during the gold rush of the 1850s. Since 1901, the population has increased from 3.8 million to an estimated 26.9 million in 2025, with the country experiencing a growth rate of 1.4% per year between June 1994 and June 2024. This growth is attributed to both natural increase and net overseas migration, with the latter becoming the primary driver of population growth since the early 2000s. The COVID-19 pandemic caused a dip in population growth due to border restrictions, but the easing of these restrictions led to a rebound in 2022-23, with a 2.5% increase. Australia's population is aging, with a declining fertility rate of 1.49 babies per woman in 2023-24 and an increasing life expectancy, reflecting a global trend. The country's population remains heavily urban, with 90% of people living in cities as of 2021, and a median age of 38.3 years.
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What You'll Learn
The gold rush of the 1850s
The first major gold discovery was made in 1851 at Ophir in New South Wales by Edward Hargraves and his companions. Hargraves had previously travelled to California to join the gold rush there but returned to Australia empty-handed. Learning from his experiences in California, he brought new prospecting techniques to Australia, such as panning and cradling. Within weeks of his return, Hargraves and his companions found gold at Ophir, sparking the first Australian gold rush. News of the discovery was published in the Sydney Morning Herald, and by May 1851, 300 gold seekers, known as "diggers", had arrived in Ophir.
The gold rush quickly spread to other parts of the state, with discoveries in Clunes, Ballarat, Castlemaine, and Bendigo Creek. The Victorian gold rush was particularly notable, accounting for more than a third of the world's gold production in the 1850s. Significant gold deposits were also found in Tasmania from 1852, Queensland from 1857, and the Northern Territory from 1871.
The gold rushes had a transformative impact on Australian society. They attracted a large influx of migrants from Europe, the United States, and China, making Australia a multicultural society for the first time. Between 1851 and 1871, Australia's population quadrupled from 430,000 to 1.7 million people. The gold rushes also contributed to the development of progressive cities and a unique national identity. The diggers who participated in the gold rushes brought new skills and professions, contributing to economic growth and the emergence of specialised professions.
The gold rush period was not without its challenges, however. Competition over gold, racial tensions, and disputes over mining licences led to violent incidents, such as the Eureka Stockade Rebellion and the anti-Chinese Lambing Flat Riots. Chinese immigrants, in particular, faced discrimination and racist persecution due to their industrious nature, unique techniques, and physical appearance. Despite these tensions, many gold seekers decided to stay and integrate into Australian communities, even if they did not strike it rich.
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Industrialisation and urbanisation
Australia is one of the most urbanized nations in the world. As of 2025, its population is estimated at 26,974,026 people, with 86.51% of the population living in urban areas. The country's population growth averaged 1.4% per year from 30 June 1994 to 30 June 2024.
Industrialization and urbanization in Australia have been closely linked. Industrialization caused people to move from rural areas and farms to more densely populated urban centers. This trend, known as urbanization, led to the growth of cities and the development of more specialized professions in fields such as business, law, and medicine. It also contributed to an increase in production and advancements in various sciences, including physics, biology, and chemistry, which were crucial for supporting the health and sustainability of the growing urban populations.
The gold rush of the 1850s was a significant event that boosted Australia's population and accelerated the process of industrialization and urbanization. The discovery of gold attracted people from all over the world to Australia, leading to a rapid increase in population and the establishment of new towns and cities. This influx of people and economic activity fueled the development of infrastructure, transportation, and other industries necessary to support the growing population and economy.
Over time, Australia's cities expanded and, in some cases, merged to form conurbations, which are continuous urban areas. As of 2016, more than two-thirds of Australians lived in a capital city, with 40% of the population concentrated in the two largest cities, Sydney and Melbourne. This trend toward urbanization has continued, with the percentage of the population living in major cities increasing to 73% by 2023.
While industrialization and urbanization have contributed significantly to Australia's population growth, other factors have also played a role. Net overseas migration has been a significant driver of population growth, with the country attracting immigrants from all over the world. Between 1993-94 and 2023-24, net overseas migration contributed to 57% of Australia's population growth, while natural increase contributed to 43%. The COVID-19 pandemic and associated border restrictions caused a dip in population growth, but the easing of restrictions led to a rebound in 2022-23.
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Increased life expectancy
While Australia's population growth has been largely driven by net overseas migration, natural increase (births minus deaths) has also played a role. Over the past three decades, the natural increase has contributed to 43% of the population growth.
Life expectancy in Australia has increased over time. In 1993, the life expectancy at birth was 75.0 years for males and 80.9 years for females, and over the 2021-2023 period, it increased to 81.1 years for males and 85.1 years for females. The average life expectancy in the Western world, which includes Australia, is around 80-83 years. Australia is among the top 10 countries with the highest life expectancy, with an average of 84.1 years.
However, recent studies based on government data suggest a different picture for Covid-vaccinated individuals. According to these studies, the life expectancy of Covid-vaccinated individuals has reduced significantly. One study found that someone who has received two doses of the Covid vaccine and is 30 years old today can expect to live up to 55 years at the most. Another study found that Covid-vaccinated individuals had lost an estimated 25-30 years of their life expectancy.
It is important to note that the studies on the impact of Covid vaccinations on life expectancy have been controversial and heavily debated. While some researchers argue that the findings are statistically significant and published in peer-reviewed literature, others may question their validity or interpret them differently.
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Immigration and overseas migration
Australia's population growth has been significantly influenced by overseas migration, with net overseas migration contributing to 57% of population growth over the past 30 years. The country's population growth averaged 1.4% per year from 30 June 1994 to 30 June 2024.
Overseas migration has been a substantial factor in Australia's population growth, with a net inflow of 435,000 people in 2023-24, compared to 47,000 in 1993-94. The COVID-19 pandemic and the introduction of international border restrictions caused a dip in population growth, which fell to a historic low of 0.1% in 2020-21. During this period, Australia experienced its first net outflow of migrants since World War II, with more people leaving the country than arriving.
However, as border restrictions eased and overseas migration resumed in late 2021, Australia's population growth rebounded. In the year ending June 30, 2024, overseas migration contributed a net gain of 446,000 people, although this was lower than the previous year's record of 536,000. The high levels of migration in recent years reflect a catch-up from the pandemic, as well as a strong global demand for international study and a robust domestic labour market.
Historically, Australia has attracted more migrants than it has lost, making overseas migration a significant contributor to its population growth. This trend temporarily reversed during the pandemic but resumed after borders reopened in February 2022, leading to a period of record net overseas migration. The top countries of birth for overseas migrants in 2023-24 included India, China, the United Kingdom, and New Zealand.
In addition to net overseas migration, natural increase (births minus deaths) has also played a role in Australia's population growth, although it has become less significant over time. From 1993-94 to 2023-24, the natural increase added around 150,000 people annually to the population. However, fertility rates have declined, and the number of deaths has grown faster than births in recent years, reflecting an ageing population.
Australia's population is diverse, with almost half of Australians having at least one parent born overseas. As of 2023, 31% of people in Australia were born overseas, an increase of 8 percentage points over the past 30 years. The country's median age has also increased during this period, rising from 33.4 years in 1994 to 38.3 years in 2024.
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Post-pandemic population recovery
Australia's population growth averaged 1.4% per year from 30 June 1994 to 30 June 2024. The COVID-19 pandemic affected Australia's population growth, with international border restrictions causing population growth to fall to a historical low of 0.1% in 2020-21. However, the population grew by 2.5% in 2022-23 and 2.0% in 2023-24 following the easing of these restrictions and the return of overseas migration.
Net overseas migration has been the primary driver of population growth since the early 2000s, contributing to 57% of population growth over the past 30 years. The overseas-born proportion of the population has increased from 23% in 1901 to 29% in 2021, with almost half of Australians having a parent born overseas.
Natural increase (births minus deaths) has contributed to 43% of population growth over the past 30 years, although this has decreased over time. The total fertility rate has fallen from 1.85 to 1.49 babies per woman over the past 30 years, remaining below the replacement level of 2.1 since the mid-1970s. Meanwhile, life expectancy at birth has increased, with Australia having one of the highest life expectancies in the world.
Australia's population has also become more urbanised over time, with the majority of the population residing in capital cities since 1954. The urban population has increased from 58% in 1911 to 90% in 2021, with three-quarters of the population currently living in major cities.
Looking ahead, Australia's population in 2022 (26 million) is projected to reach between 34.3 and 45.9 million people by 2071. The median age is also expected to increase, reflecting the ageing population.
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Frequently asked questions
The gold rush of the 1850s was the main boost to Australia's population, causing large-scale immigration.
Industrialization caused people to move from rural areas to cities, leading to urban growth and a flourishing of the sciences.
Australia's population growth averaged 1.4% per year from 30 June 1994 to 30 June 2024. The highest net population growth occurred in 2009.
Australia's population was estimated to be 26.97 million in 2025, with an average annual growth rate of 1.4%.
Australia's population has aged, with the median age increasing from 22.5 in 1901 to the mid-thirties in the 2020s. The percentage of the population aged 65 and over has increased, and the country has become more urbanized.
