
Western Australia, the country's largest state, is home to nearly 2.7 million people as of 2021. The state's population is expected to reach 2.958 million by the end of June 2025, with most people concentrated in and around its capital city, Perth, on the southwestern coast. With a density of 0.89 people per kilometer, Western Australia is the second least populated state in Australia, after the Northern Territory.
| Characteristics | Values |
|---|---|
| Population | 2,883,245 (as of 30 June 2023) |
| Population Density | 0.89 people per km |
| Male Population | 50.3% |
| Female Population | 49.7% |
| Indigenous Population | 3.1% |
| Top 5 Ancestries | English, Australian, Irish, Scottish, Italian |
| Top 5 Languages (other than English) | Italian, Mandarin, Cantonese, Vietnamese, Arabic |
| Top 6 Countries of Birth | Australia, England, New Zealand, South Africa, India, Scotland |
| Religious Makeup | 25.5% No religion, 23.6% Catholic, 18.8% Anglican, 9.7% Not Stated, 3.3% Uniting Church, 2.8% Christian, 2.2% Presbyterian and Reformed, 2.1% Buddhism, 1.9% Baptist, 1.7% Islam |
| Main Occupations | Professionals, Technicians, Trades Workers, Clerical and Administrative Workers, Managers, Labourers, Community and Personal Service Workers, Sales Workers, Machinery Operators and Drivers |
| Main Industries | Health Care, Social Assistance, Construction, Retail Trade, Manufacturing, Education and Training, Professional Services, Technical Services, Public Administration, Safety, Mining, Accommodation, Food Services |
| Population in Perth | 2.8 million (estimated) |
| Population Growth Rate | 3.28% (previous year) |
| Average Household Size | 2.48 (2021), 2.5 (2021) |
| Number of Dwellings | 1,150,257 (2021) |
| Coastline Length | 12,889 km |
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What You'll Learn

Western Australia's population in 2023 is estimated to be 2,883,245
Western Australia, the largest state in Australia by area, has an estimated population of 2,883,245 as of 30 June 2023. This figure, known as the Estimated Resident Population (ERP), is the official 2023 population number according to the Australian Bureau of Statistics (ABS). The ERP is considered the most accurate count of the total population as it factors in those missed in the Census and those overseas on Census night.
The population of Western Australia has been steadily increasing over the years, growing by 3.28% since 2022. The state's capital, Perth, is home to nearly two-thirds of Western Australia's population, with an estimated population of over 2.8 million people. Perth and its port city-suburb, Fremantle, are located on the Swan Coastal Plain and surrounded by intensive gardening and horticultural areas.
The population of Western Australia is diverse, with people from various ancestries, religions, and languages. According to the Australia Census, 50.3% of Western Australians are male, and 49.7% are female. Aboriginal and Torres Strait Islander peoples make up 3.1% of the population, with the largest concentration in the Greater Perth area. The top five ancestries in Western Australia are English, Australian, Irish, Scottish, and Italian. The most common languages spoken, other than English, are Italian, Mandarin, Cantonese, Vietnamese, and Arabic.
Western Australia has a density of 0.89 people per kilometre, making it the second least populated state in Australia after the Northern Territory. The state's population accounts for roughly one-tenth of Australia's total population and has consistently grown at a rate above the national average.
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The population is concentrated in Perth, the state's capital
Western Australia, the largest state in Australia, has a population of around 2.8 million people as of June 2023. Nearly two-thirds of the state's population is concentrated in and around its capital city, Perth, which is located on the southwestern coast. Perth and its port city-suburb, Fremantle, are situated around the estuary of the Swan and Canning rivers and benefit from fertile surrounding lands.
Perth's population is expected to continue growing, with estimates suggesting it will reach 2.958 million by the end of June 2025. This growth rate is significantly higher than the national average. The population of Perth is also distinct from the rest of Western Australia in terms of its Aboriginal and Torres Strait Islander population, which is the largest and fastest-growing single concentration in the state.
Perth's status as a population centre can be attributed to its role as a port city and its favourable conditions for horticulture and agriculture. The next largest cities in Western Australia, including Mandurah, Bunbury, Geraldton, and Kalgoorlie-Boulder, are all significantly smaller than Perth.
The population of Western Australia is diverse, with a notable proportion of the population being born overseas. In 2021, 32.2% of the population were born outside of Australia, with the top countries of birth including England, New Zealand, South Africa, India, and Scotland. The state also has a variety of language and religious groups, with English being the most commonly spoken language at 75.3%, and Christianity being the main religious affiliation at 41.1%.
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50.3% male, 49.7% female
According to the Australia census, the population of Western Australia is composed of 50.3% males and 49.7% females. This amounts to a total population of 2,660,026 in 2021, with an average household size of 2.48 people. By the end of June 2025, the population of Western Australia is expected to reach 2.958 million. This projection is based on the average growth rate of 1.66% over the last 13 years since 2011.
Western Australia, also known as WA, is Australia's largest state, accounting for 33% of the country's total land mass. The state's capital, Perth, is home to nearly two-thirds of WA's population and has an estimated population of over 2.8 million people. The population of Perth has been steadily increasing, with a growth rate of 3.65% as of June 2023.
The population density of Western Australia is 0.89 people per kilometer, making it the second least populated state in Australia after the Northern Territory. The majority of the population is of English descent, with significant communities of Scottish, Irish, and Italian ancestry. The state also has a sizeable combined community of German and Dutch heritage.
In terms of religion, Christianity is the main religious affiliation in WA, with 41.1% of the population identifying as Christians in 2021. However, the proportion of Christians has decreased over time, with an increase in people reporting non-Christian religions or no religious affiliation. The top five languages spoken in WA, other than English, are Italian, Mandarin, Cantonese, Vietnamese, and Arabic.
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3.1% Aboriginal and Torres Strait Islander
Western Australia, or WA, is Australia's largest state, with a total area of 2,529,875 square kilometres, accounting for 33% of the country's total land mass. As of June 30, 2023, the population of Western Australia was estimated to be 2,883,245. This figure is expected to reach 2.958 million by the end of June 2025, based on an average growth rate of 1.66% over the previous 13 years. The state's capital, Perth, and its surrounding areas account for nearly two-thirds of Western Australia's population.
Indigenous Australians, including Aboriginal and Torres Strait Islander peoples, have a long history in Western Australia, dating back tens of thousands of years before the arrival of European settlers in 1829. Despite the decimation of Aboriginal communities during the colonial expansion, Indigenous peoples have persevered, and in Western Australia, they make up 3.1% of the state's population. This percentage translates to around 89,379 people, considering the state's population in 2021 was 2,660,026. The largest concentration of Aboriginal people is in the Greater Perth area, and their numbers are growing.
The Aboriginal and Torres Strait Islander peoples of Western Australia have unique cultural traditions and a deep connection to the land. They have developed diverse art forms, including rock art, bark painting, and dot painting, which serve as a means of storytelling and preserving their history and culture. Their spiritual beliefs are closely tied to the land and nature, with a deep respect for the environment and its preservation.
The Western Australian government recognises the importance of reconciliation and supporting the Aboriginal and Torres Strait Islander communities. They have implemented various initiatives to promote cultural understanding, improve access to education and healthcare, and address the issues of poverty and disadvantage faced by these communities.
The Aboriginal and Torres Strait Islander peoples of Western Australia have a strong and resilient spirit, and their presence in the state adds to its cultural richness and diversity. Their ongoing connection to the land serves as a reminder of the long history of Indigenous Australians and their enduring legacy.
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75.3% speak only English at home
Western Australia, or WA, is Australia's largest state, with a total area of 2,529,875 square kilometres, accounting for 33% of the country's total land mass. As of June 30, 2023, the population of Western Australia is estimated to be 2,883,245, with the Census usual resident population in 2021 being 2,660,026. The state's capital, Perth, is home to over 2.8 million people, and nearly two-thirds of Western Australia's population is concentrated in and around this city on the southwestern coast.
With a density of 0.89 people per kilometre, Western Australia is the second least populated state in Australia after the Northern Territory. The average number of people per household in WA was 2.5 in 2021, a decrease from 3.4 people in 1971. Most people in Western Australia live in separate houses (79.7%), and the majority of households are family households (71.2%).
In terms of language, 75.3% of people in Western Australia speak only English at home, according to the 2021 Australian Bureau of Statistics data. This percentage has slightly increased from 75.2% in 2016. After English, the most common languages spoken at home are Mandarin (1.9%), Italian (1.0%), Vietnamese (0.9%), and Punjabi (0.8%).
The top five ancestries in Western Australia are English, Australian, Irish, Scottish, and Italian. Aboriginal and Torres Strait Islander peoples account for around 3-5% of the population, with the largest concentration in the Greater Perth area. The majority of the remainder of the population is of English descent, with significant communities of Scottish, Irish, and Italian ancestry, as well as a sizeable German and Dutch community.
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Frequently asked questions
The population of Western Australia, also known as WA, was estimated to be 2,883,245 as of 30 June 2023. It is projected to reach 2.958 million by the end of June 2025. WA is Australia's largest state by area, accounting for 33% of the country's total land mass. However, it is the second least populated state, with a density of 0.89 people per square kilometre.
Nearly two-thirds of Western Australia's population is concentrated in and around Perth, the state's capital city, and its port city-suburb, Fremantle. Perth has an estimated population of over 2.8 million people.
The majority of Western Australia's population is of English descent. Significant communities also include those of Scottish, Irish, and Italian ancestry, as well as a sizeable German and Dutch community. Aboriginal and Torres Strait Islander peoples account for around 3-5% of the population, with the largest concentration in the Greater Perth area.











































