In June 2022, it was estimated that around 7.3 percent of Australians were aged between 25 and 29, and the same applied to people aged between 30 and 34. All in all, about 55 percent of Australia’s population was aged 35 years or older as of June 2022. At the same time, the age distribution of the country also shows that the share of children under 14 years old was still higher than that of people over 65 years old. A breakdown of Australia’s population growth Australia is the sixth-largest country in the world, yet with a population of around 26 million inhabitants, it is only sparsely populated. Since the 1970s, the population growth of Australia has remained fairly constant. While there was a slight rise in the Australian death rate in 2022, the birth rate of the country decreased after a slight rise in the previous year. The fact that the birth rate is almost double the size of its death rate gives the country one of the highest natural population growth rates of any high-income country.
National distribution of the population Australia’s population is expected to surpass 28 million people by 2028. The majority of its inhabitants live in the major cities. The most populated states are New South Wales, Victoria, and Queensland. Together, they account for over 75 percent of the population in Australia.

This statistic shows the median age of the population in Australia from 1950 to 2100. The median age of a population is an index that divides the population into two equal groups: half of the population is older than the median age and the other half younger. In 2020, the median age of Australia's population was 36.9 years.

Civilian Population: 15 Years and Over: Male data was reported at 11,168.540 Person th in Mar 2025. This records an increase from the previous number of 11,144.123 Person th for Feb 2025. Civilian Population: 15 Years and Over: Male data is updated monthly, averaging 7,509.217 Person th from Feb 1978 (Median) to Mar 2025, with 566 observations. The data reached an all-time high of 11,168.540 Person th in Mar 2025 and a record low of 5,173.602 Person th in Feb 1978. Civilian Population: 15 Years and Over: Male data remains active status in CEIC and is reported by Australian Bureau of Statistics. The data is categorized under Global Database’s Australia – Table AU.G001: Civilian Population: by Age, Sex and Status. Civilian Population refers to all usual residents of Australia aged 15 years and over except members of the permanent defence forces, certain diplomatic personnel of overseas governments customarily excluded from census and estimated population counts, overseas residents in Australia, and members of non-Australian defence forces (and their dependants) stationed in Australia.

Civilian Population: 15 Years & Over: Male: 55-59 Years data was reported at 756.112 Person th in Feb 2025. This records an increase from the previous number of 755.334 Person th for Jan 2025. Civilian Population: 15 Years & Over: Male: 55-59 Years data is updated monthly, averaging 515.193 Person th from Feb 1978 (Median) to Feb 2025, with 565 observations. The data reached an all-time high of 766.126 Person th in Jun 2020 and a record low of 340.307 Person th in Feb 1978. Civilian Population: 15 Years & Over: Male: 55-59 Years data remains active status in CEIC and is reported by Australian Bureau of Statistics. The data is categorized under Global Database’s Australia – Table AU.G001: Civilian Population: by Age, Sex and Status.

Age dependency ratio (% of working-age population) in Australia was reported at 55.21 % in 2024, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Age dependency ratio (% of working-age population) - actual values, historical data, forecasts and projections were sourced from the World Bank on August of 2025.

Since 1960, age distribution across Australia's population has observed a fairly significant change. The share of the population below 14 years has dropped from over 30 percent to less than 20 percent; while the share aged over 65 has almost doubled. However, Australia's under-14 population is still larger than its over-65 population. The bulk of the population is aged between 15 and 64 years, and this group had its largest share of the population in 2009 when it made up over two-thirds of the entire population. This gradual change has come as a result of decreasing fertility and higher life expectancy, causing the average age of the population to rise.

Age dependency ratio, old (% of working-age population) in Australia was reported at 27.52 % in 2024, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Age dependency ratio, old (% of working-age population) - actual values, historical data, forecasts and projections were sourced from the World Bank on July of 2025.

Civilian Population: Married: 15 Years & Over: Male: 25-29 Years data was reported at 408.303 Person th in Feb 2025. This records an increase from the previous number of 404.172 Person th for Jan 2025. Civilian Population: Married: 15 Years & Over: Male: 25-29 Years data is updated monthly, averaging 367.696 Person th from Feb 1978 (Median) to Feb 2025, with 565 observations. The data reached an all-time high of 415.057 Person th in Jun 2023 and a record low of 294.024 Person th in Nov 2004. Civilian Population: Married: 15 Years & Over: Male: 25-29 Years data remains active status in CEIC and is reported by Australian Bureau of Statistics. The data is categorized under Global Database’s Australia – Table AU.G001: Civilian Population: by Age, Sex and Status.

Population of compulsory school age, both sexes (number) in Australia was reported at 3178083 Persons in 2019, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Population of compulsory school age, both sexes - actual values, historical data, forecasts and projections were sourced from the World Bank on July of 2025.

Retirement Age Men in Australia remained unchanged at 67 Years in 2025 from 67 Years in 2024. This dataset provides - Australia Retirement Age Men - actual values, historical data, forecast, chart, statistics, economic calendar and news.

Survival to age 65, male (% of cohort) in Australia was reported at 89.09 % in 2023, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Survival to age 65, male (% of cohort) - actual values, historical data, forecasts and projections were sourced from the World Bank on August of 2025.

UIS: Mean years of schooling (ISCED 1 or higher), population 25+ years, female in Australia was reported at 12.58 Years in 2018, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Mean years of schooling of the population age 25+. Female - actual values, historical data, forecasts and projections were sourced from the World Bank on August of 2025.

Contains latest available estimates by age and sex of the resident populations of areas of Australia as at 30 June. These estimates are provided for Statistical Areas Level 2 - 4 (SA2s - SA4s), Greater Capital City Statistical Areas (GCCSAs), and states and territories of Australia according to the current edition of the Australian Statistical Geography Standard (ASGS).\r \r Estimates are also provided for Local Government Areas (LGAs).

School age population, secondary education, both sexes (number) in Australia was reported at 1871818 Persons in 2020, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Population of the official age for secondary education, both sexes - actual values, historical data, forecasts and projections were sourced from the World Bank on August of 2025.

Graph and download economic data for Working-age Population in Australia (DISCONTINUED) (AUSWFPNA) from 1970 to 2012 about working-age, Australia, and population.

Civilian Population: 15 Years & Over: Male: 55-64 Years data was reported at 1,503.062 Person th in Feb 2025. This records an increase from the previous number of 1,502.154 Person th for Jan 2025. Civilian Population: 15 Years & Over: Male: 55-64 Years data is updated monthly, averaging 928.106 Person th from Feb 1978 (Median) to Feb 2025, with 565 observations. The data reached an all-time high of 1,503.062 Person th in Feb 2025 and a record low of 623.515 Person th in Feb 1978. Civilian Population: 15 Years & Over: Male: 55-64 Years data remains active status in CEIC and is reported by Australian Bureau of Statistics. The data is categorized under Global Database’s Australia – Table AU.G001: Civilian Population: by Age, Sex and Status.

Social media presence plays an important role in Australia, with more than ** percent of Australians between the ages of 12 to 55 years old claiming to have an account on a social networking site. This high figure applies to senior citizens as well: more than **** the people above the age of 55 years have an account on a social networking platform. Most used social media platform   Australia has one the highest active social media penetration rates internationally, with most of the population holding an account on a social network platform. This is partially due to the country’s high internet penetration rate and heavy influence from the western world with regard to internet and social media trends. For a country of slightly more than 24 million people, it is estimated that more than ** million citizens have an account on a social media. Furthermore, Facebook dominates the market with more than double the number of users compared to the second-placed platform Instagram. Reasons for using social networking sites   There are various reasons that Australians use social networking sites with the main reason being to catch up/keep in touch with family and friends. While this applies to all age groups, the younger generation have more reasons to stay engaged on social media while the elderly mainly uses social media solely for friends and family.

In Australia in 2022, more than **** of TikTok's users were aged under 24; for users aged between 18 and 24, ***** percent were female, and 11.82 percent were male. For younger users aged between 13 and 17, ***** percent were female and **** percent were male.

School age population, tertiary education, both sexes (number) in Australia was reported at 1555767 Persons in 2018, according to the World Bank collection of development indicators, compiled from officially recognized sources. Australia - Population of the official age for tertiary education, both sexes - actual values, historical data, forecasts and projections were sourced from the World Bank on July of 2025.

List of South Australian Government Schools with the number of students (Persons and FTE) enrolled at the most recent census collection (Term 3 2016), by site and age grouping.