
Australia's population is currently around 25 million, with the number projected to exceed 32 million over the next decade. Migration is a key factor in this growth, with New Zealanders, Chinese, and Indians among the largest immigrant groups. Australia's population is relatively young, with nearly 4 million young people (aged 12-24) making up one-fifth of the population. The Aboriginal and Torres Strait Islander population is particularly young, with one-third under 15 years old. This diversity in youth communities brings a range of needs and challenges, including mental health concerns and overrepresentation in the justice system.
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What You'll Learn
- Australia's population is projected to grow to over 32 million in the next decade
- Migration is a key factor in Australia's population growth
- Population growth is vital for Australia's economy
- Population growth causes challenges such as housing affordability and cultural clashes
- The newest residents to Australia are likely to be young, female, and Chinese

Australia's population is projected to grow to over 32 million in the next decade
However, a growing population can also strain communities. Increased congestion, higher housing prices, and a lack of infrastructure can be challenging for cities experiencing rapid population growth. The ageing of the population is another significant trend, with the median age in Australia projected to increase from 38.5 years in 2022 to between 43.8 and 47.6 years in 2071. This ageing is due to fertility rates remaining below replacement level and declining mortality rates.
The population growth in Australia is driven primarily by net overseas migration, which has increased from a net inflow of 47,000 people in 1993-94 to 435,000 people in 2023-24. The COVID-19 pandemic caused a brief interruption in this trend, with the first net outflow of migrants from Australia since World War II occurring in 2020-21. However, following the easing of travel restrictions in late 2021, net overseas migration grew quickly, with the return of temporary visa holders, including international students.
The population of Australia's capital cities tends to be younger and ages more slowly than regional areas. This is because capital cities attract a larger share of overseas migrants, who tend to be younger than the overall population. Additionally, younger people often move to capital cities from regional areas for educational and job opportunities, while older people are less likely to relocate.
With a projected population of over 32 million in the next decade, Australia will need to address the challenges and opportunities that come with a growing population to ensure that communities can thrive and that the benefits of migration are shared evenly.
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Migration is a key factor in Australia's population growth
Migration has been a significant factor in Australia's population growth, especially in recent years. While natural population growth (births minus deaths) has been relatively steady, net overseas migration has been the primary driver of Australia's overall population growth.
From 1993-94 to 2023-24, Australia's population growth averaged 1.4% per year. During this period, natural increase was the main contributor to population growth until the early 2000s. However, since 2005-06, net overseas migration has played a more significant role. On average, over the past 30 years, net overseas migration accounted for 57% of Australia's population growth, while natural increase contributed to 43%.
The COVID-19 pandemic significantly impacted migration patterns. In 2020-21, international border restrictions led to a net outflow of migrants from Australia, the first recorded instance since World War II. This outflow resulted in a population growth rate of just 0.1% in 2020-21, a historical low. However, as borders reopened and migration resumed in late 2021, Australia's population growth rebounded, increasing to 2.5% in 2022-23.
Migration has not only contributed to Australia's population size but also to its diversity. In 2019, Australia had the second-highest share of migrants among OECD countries, with 30% of its population born overseas. This proportion is more than twice the OECD average of 14%. The median age of the overseas-born population in Australia has fluctuated, decreasing from a peak of 46 years in 2002 to 43 years in 2024, influenced by the resumption of migration after the pandemic.
The impact of migration on Australia's population growth is evident when comparing the median ages of different migrant groups. For example, Australians born in Greece or Italy tend to have higher median ages, reflecting the post-World War II migration streams. In contrast, more recent migrant groups, such as those from Nepal, have a younger median age of 29 years in 2024.
In summary, migration is a crucial factor in Australia's population growth dynamics. It not only contributes to the overall population size but also shapes the demographic composition and diversity of the country. The fluctuations in migration patterns, influenced by factors like the COVID-19 pandemic, have direct implications for Australia's population growth and median age.
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Population growth is vital for Australia's economy
Australia's population has grown significantly over the past 125 years, increasing by around seven times since 1901. This growth has been driven by both international migration and a post-World War II 'baby boom', with the nation's population reaching around 32 million today. While population growth can strain communities and infrastructure, it is vital for Australia's economy.
Population growth is one of the 'big three' economic levers, alongside monetary and fiscal policy. By increasing aggregate demand, a growing population can stimulate economic activity and provide an avenue to address strategic skills shortages. This is particularly relevant in the aftermath of the COVID-19 pandemic, where border restrictions and the pandemic's impact on global mobility have exacerbated skills shortages. Australia's high standard of living and attractive migration targets further reinforce the importance of population growth in driving economic expansion.
A larger population increases the demand for goods and services, including essential sectors such as healthcare and education. This demand can spur economic growth and create opportunities for businesses to thrive. Additionally, population growth can positively impact electoral success, as it is often associated with economic expansion. The influx of migrants from diverse cultures also enriches the social fabric of Australia, making it a unique and appealing destination.
However, rapid population growth can have challenges. It can lead to increased congestion, housing unaffordability, and cultural clashes. The demand for infrastructure, services, and resources rises, placing pressure on communities. For example, the rise in house prices in affluent neighbourhoods has pushed out younger families, disrupting community dynamics. Additionally, the lack of investment in productivity-enhancing measures, such as research and development, can hinder long-term competitiveness.
To mitigate these challenges, policies such as shifting the tax base from transfer duty to land tax can encourage greater turnover and flexibility in the property market. Additionally, addressing strategic skills shortages through targeted immigration policies can help manage labour demands and support economic growth. Overall, while population growth is vital for Australia's economy, it must be carefully managed to balance economic expansion with community well-being and sustainable infrastructure development.
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Population growth causes challenges such as housing affordability and cultural clashes
Australia's population has grown significantly since the 1950s, and this growth has presented challenges such as housing affordability and cultural clashes.
One of the main challenges arising from population growth in Australia is housing affordability. The rise in house prices, particularly in cities like Sydney and Melbourne, has made it difficult for younger families to purchase properties, often forcing them to move away from their desired neighbourhoods. The median house price in Sydney is $1,435,000, but the top 5% of houses start at $4,327,000, creating a significant barrier to entry for potential buyers. Melbourne's housing market shows a similar trend, with a median house price of $850,000, while the top 5% of houses start from $2.49 million. This has led to concerns about housing shortages and the impact on families' ability to live in their preferred areas.
The high cost of housing in Australia is not limited to the top end of the market. More and more people are finding it challenging, if not impossible, to even consider buying a median-priced house. This issue is not unique to Australia, as affordable housing is a global concern, with over 1 billion people worldwide living in slums or informal settlements.
Population growth has also brought about cultural clashes in Australia. As the country attracts migrants from diverse backgrounds, managing cultural differences and ensuring social cohesion can be challenging. Additionally, the ageing population in Australia, including those from post-World War II migration streams, further contributes to the cultural dynamics within the country.
To address these challenges, various strategies have been proposed. For instance, experts suggest shifting the state government's tax base from transfer duty to land tax to encourage greater turnover and more flexible buying options for purchasers. Additionally, projects like the World Bank's Improving Access to Affordable Housing initiative, which successfully increased access to affordable housing for low-income residents in Mexico, offer potential solutions for improving housing affordability in Australia.
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The newest residents to Australia are likely to be young, female, and Chinese
Australia's population has grown significantly in recent years, with net migration outpacing births. In 2018, the country's population reached 25 million, and the newest resident was projected to be young, female, and Chinese. This trend is expected to continue, with more people moving to Australia from overseas than the number of new births in the country.
The high rate of migration to Australia has led to concerns about infrastructure and housing. There have been calls for an inquiry into population growth and a reduction in migration intake. However, migration is vital for Australia's economy, and a growing population increases demand for goods and services.
The Chinese-born population in Australia is notably female-dominated, with a significant gender skew towards women. This has led to predictions of marriages between Chinese-born women and Indian-born men, who have a gender skew towards men. Such mixed marriages are not new to Australia, with a similar trend observed in the 19th century between Protestant English men and Catholic Irish women.
Melbourne and Sydney are becoming increasingly diverse, with a "Eurasian" identity forming in these cities. Other parts of Australia, such as the Gold Coast, Brisbane, and Perth, are also experiencing significant migration from various countries.
The newest residents of Australia, who are likely to be young, female, and Chinese, contribute to the country's multicultural environment and play a crucial role in supporting the economy and shaping the future of the nation.
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Frequently asked questions
Australia has a population of nearly 4 million young people, which represents just under one-fifth of the country's population.
Youth in Australia are defined as those between 12 and 24 years old. The Aboriginal and Torres Strait Islander population has a relatively young age structure, with 36% under 15 years old, compared to 18% of non-Indigenous youth.
Australia's population growth is largely driven by migration, with a declining fertility rate.
A growing population is vital for Australia's economy, increasing demand for goods and services. However, rapid growth can also strain communities, causing issues like increased congestion and housing prices.
Suicide is a significant health concern for young Australians, being the leading cause of death for those aged 15-24. Mental health services like headspace and ReachOut aim to support young people and address these challenges.











































