OCEANIA / COUNTRY DATA

Australia demographics and location data

Explore Australian population, community and location data to assess catchments and inform business decisions.

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Australia demographics at a glance

Population: 27,613,654; 2025
Households: 9,275,075; 2021
Average household size: 2.54; 2021
Average household income: AUD 105,794; 2021

Australia has a population of 27,613,654 (2025), living in 9,275,075 households with an average of 2.54 people. The average household income is AUD 105,794. 17.8% of residents are aged under 15 and 18.0% are 65 or over (2025).

Key demographic indicators for Australia
Indicator	Value	Year
Population	27,613,654	2025
Annual population growth (2020–2025)	1.5%	2025
Workers	11,821,761	2021
Average age	38.9	2021
Households	9,275,075	2021
Average household size	2.54	2021
Income per person	AUD 55,505	2021
Average household income	AUD 105,794	2021
Aged under 15	17.8%	2025
Aged 15 to 64	64.2%	2025
Aged 65 or over	18.0%	2025

Source: GapMaps. These are national figures; local detail is shown in the profile below. Last updated 12 November 2026.

INSIDE THE DATA

Australia demographic profile

National figures from GapMaps, shown beside a sample catchment: a 3 km radius around Kings Domain, Melbourne (37.8251° S, 144.9787° E), to illustrate the local detail available.

Australia3 km around Kings Domain, Melbourne

View all summary figures

Australia: Demographic summary — reference years as labelled. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Population
Census Count Population (2016)	23,401,075	5,926,698	175,756
Census Count Population (2021)	25,422,629	6,503,324	188,718
Population 2025	27,613,654	7,073,859	233,087
Population 2024	27,194,369	6,978,719	228,602
Population 2020	25,655,289	6,606,149	210,868
Population 2021	25,688,079	6,548,040	193,191
Avg. Annual Growth Rate, 2020-2025	1.5%	1.4%	2.1%
Workers 2021
Workers	11,821,761	3,101,956	523,240
Age 2021
0 to 4	5.7%	5.7%	2.8%
5 to 17	15.8%	15.4%	4.4%
18 to 24	8.4%	8.4%	15.4%
25 to 64	52.9%	53.7%	68.2%
65 to 84	15.2%	14.7%	8.2%
85+	2.0%	2.1%	1.0%
Average age (years)	38.9	38.7	35.4
Households 2021
No. of Private Dwellings	10,318,926	2,688,542	123,081
No. of Occupied Private Dwellings	9,275,075	2,390,413	92,625
Average Household Size	2.54	2.54	1.81
Income & Affluence 2021
Average Annual Income Per Capita ($)	AUD 55,505	AUD 55,000	AUD 71,009
Average Annual Income Per Household ($)	AUD 105,794	AUD 105,893	AUD 109,650
Share of Households with Income over $130,000	44.4%	44.6%	46.4%
SEIFA Index (IRSAD, 2021)	5.56	5.84	8.55
Birthplace 2021
Australia	72.0%	69.6%	49.4%
UK	4.7%	3.5%	4.5%
South and Central Asia	4.7%	6.7%	6.4%
South East Asia	4.0%	4.9%	11.5%
North East Asia	3.4%	3.6%	12.7%
New Zealand and Oceania	2.6%	1.9%	2.8%
Southern and Eastern Europe	1.6%	2.8%	1.6%
Housing 2021
Owned	31.5%	32.7%	15.9%
Mortgage	35.5%	36.7%	18.1%
Renting	31.2%	29.0%	64.4%
Average monthly mortgage payment ($)	AUD 2,059	AUD 2,045	AUD 2,355
Average Weekly rental payment ($)	AUD 399	AUD 393	AUD 445
Motor Vehicles 2021
No. of Motor Vehicles	16,065,118	4,126,371	71,312
Average No. of motor vehicles per household	1.76	1.75	0.78

Age profile

No. of Residents · 2025 · Source: GapMaps

Nationally, the largest group is 35 to 44 years at 14.1%. Within 3 km of Kings Domain, Melbourne it is 25 to 34 years at 32.6%.

View data table

Australia: Age profile, 2025. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
0 to 4 years	5.7% (1,586,147)	5.7% (405,292)	3.1% (7,230)
5 to 9 years	5.9% (1,626,511)	5.7% (406,288)	1.9% (4,411)
10 to 14 years	6.2% (1,699,267)	6.0% (421,621)	1.9% (4,541)
15 to 19 years	6.2% (1,701,266)	6.1% (434,243)	4.9% (11,446)
20 to 24 years	6.3% (1,727,084)	6.6% (468,952)	13.6% (31,746)
25 to 34 years	14.0% (3,878,426)	15.2% (1,071,972)	32.6% (76,021)
35 to 44 years	14.1% (3,904,678)	14.7% (1,037,238)	17.7% (41,291)
45 to 54 years	12.2% (3,378,078)	12.0% (851,415)	8.4% (19,559)
55 to 64 years	11.4% (3,160,400)	11.0% (778,194)	6.7% (15,605)
65 to 74 years	9.6% (2,646,241)	9.0% (636,643)	4.9% (11,416)
75 to 84 years	6.1% (1,680,375)	5.7% (406,335)	3.1% (7,310)
85 years and over	2.3% (625,181)	2.2% (155,666)	1.1% (2,511)

Generation

No. of Residents · 2021 · Source: GapMaps

In both Australia and the sample catchment, the largest group is Millennials (Gen Y) (1981-1995) (21.6% and 45.7%).

View data table

Australia: Generation, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Gen Alpha (2011-2021)	12.0% (2,996,863)	12.0% (764,055)	4.8% (8,817)
Gen Z (1996-2010)	18.2% (4,550,815)	18.0% (1,146,809)	18.2% (33,269)
Millennials (Gen Y) (1981-1995)	21.6% (5,392,957)	22.7% (1,450,075)	45.7% (83,642)
Generation X (1966-1980)	19.4% (4,839,013)	19.4% (1,242,057)	15.3% (27,980)
Baby boomers (1946-1965)	21.4% (5,351,387)	20.7% (1,321,273)	12.4% (22,613)
Interwar (before 1945)	7.3% (1,818,679)	7.2% (461,894)	3.7% (6,723)

Weekly household income

No. of Households · 2021 · Source: GapMaps

Negative Nil1.7%4.4%

1 to 1490.4%0.8%

150 to 2991.0%1.7%

300 to 3992.1%2.5%

400 to 4995.5%3.3%

500 to 6494.1%3.3%

650 to 7995.8%3.9%

800 to 9996.0%4.9%

1,000 to 1,2496.9%6.9%

1,250 to 14997.1%7.1%

1,500 to 1,7495.6%6.3%

1,750 to 1,9995.5%6.0%

2,000 to 2,49911.4%13.4%

2,500 to 2,9997.2%5.1%

3,000 to 3,4996.3%6.1%

3,500 to 3,9993.9%3.4%

4,000 or more12.5%16.4%

Partial income stated5.2%3.6%

All incomes not stated1.6%0.8%

In both Australia and the sample catchment, the largest group is 4,000 or more (12.5% and 16.4%).

View data table

Australia: Weekly household income, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Negative Nil	1.7% (154,564)	1.9% (46,000)	4.4% (4,088)
1 to 149	0.4% (41,224)	0.5% (11,879)	0.8% (740)
150 to 299	1.0% (95,168)	1.1% (25,099)	1.7% (1,524)
300 to 399	2.1% (191,631)	2.0% (48,242)	2.5% (2,254)
400 to 499	5.5% (506,446)	5.4% (126,974)	3.3% (3,077)
500 to 649	4.1% (372,498)	3.9% (92,216)	3.3% (3,068)
650 to 799	5.8% (532,331)	5.7% (133,831)	3.9% (3,582)
800 to 999	6.0% (547,732)	5.9% (140,669)	4.9% (4,531)
1,000 to 1,249	6.9% (635,731)	7.0% (164,633)	6.9% (6,354)
1,250 to 1499	7.1% (654,616)	7.2% (171,300)	7.1% (6,536)
1,500 to 1,749	5.6% (516,095)	5.8% (137,185)	6.3% (5,828)
1,750 to 1,999	5.5% (503,784)	5.6% (133,271)	6.0% (5,519)
2,000 to 2,499	11.4% (1,043,106)	11.6% (274,910)	13.4% (12,284)
2,500 to 2,999	7.2% (661,828)	7.4% (175,160)	5.1% (4,723)
3,000 to 3,499	6.3% (580,445)	6.4% (152,283)	6.1% (5,581)
3,500 to 3,999	3.9% (359,155)	4.0% (93,865)	3.4% (3,097)
4,000 or more	12.5% (1,150,468)	12.5% (295,214)	16.4% (15,095)
Partial income stated	5.2% (478,368)	4.4% (104,455)	3.6% (3,302)
All incomes not stated	1.6% (147,528)	1.7% (40,074)	0.8% (763)

Household spending

AUD Mil. · 2025 · Source: GapMaps

In both Australia and the sample catchment, the largest group is Other Non Retail (46.5% and 49.2%).

View data table

Australia: Household spending, 2025. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Other Non Retail	46.5% (802,265)	46.3% (204,494)	49.2% (10,880)
Retail	28.3% (488,123)	29.1% (128,683)	24.5% (5,406)
Housing	13.9% (240,564)	13.2% (58,376)	16.1% (3,555)
Health	2.8% (49,128)	2.9% (12,637)	2.0% (439)
Gambling	2.0% (35,068)	2.2% (9,580)	2.7% (592)
Motor Vehicles (incl. motor cycle)	2.0% (34,485)	2.0% (8,673)	1.9% (412)
Fuel	1.7% (29,402)	1.7% (7,597)	1.0% (217)
Tyres and Vehicle Servicing	0.8% (13,189)	0.8% (3,364)	0.7% (145)
MV Parts and Accessories	0.7% (11,461)	0.6% (2,815)	0.4% (84.6)
Other	1.3% (21,973)	1.3% (5,926)	1.6% (362)

Household Size

No. of Private Dwellings · 2021 · Source: GapMaps

Nationally, the largest group is Two at 33.6%. Within 3 km of Kings Domain, Melbourne it is One at 44.2%.

View data table

Australia: Household Size, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
One	25.6% (2,369,987)	25.9% (619,305)	44.2% (40,719)
Two	33.6% (3,108,877)	32.6% (779,105)	39.0% (35,929)
Three	15.9% (1,473,504)	16.1% (384,100)	10.5% (9,673)
Four	15.4% (1,429,578)	16.1% (383,416)	5.0% (4,605)
Five	6.3% (586,264)	6.4% (151,675)	1.0% (960)
Six or More	3.2% (295,447)	2.9% (69,961)	0.3% (272)

Family Composition

No. of Families · 2021 · Source: GapMaps

In both Australia and the sample catchment, the largest group is Couple family with no children (38.9% and 62.6%).

View data table

Australia: Family Composition, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Couple family with no children	38.9% (2,608,440)	37.7% (645,204)	62.6% (25,419)
Couple family with children under 15	30.2% (2,026,440)	31.1% (533,370)	16.6% (6,734)
Couple family with no children under 15	13.7% (915,915)	14.5% (248,741)	5.3% (2,170)
One parent family with children under 15	7.8% (520,894)	6.9% (118,359)	4.5% (1,821)
One parent family with no children under 15	8.1% (542,229)	8.3% (142,044)	6.1% (2,458)
Other family	1.4% (92,397)	1.5% (24,989)	4.9% (1,984)

Highest Level of Education Achieved

No. of Residents Aged 15+ · 2021 · Source: GapMaps

Nationally, the largest group is Certificate Level (I-IV) at 30.2%. Within 3 km of Kings Domain, Melbourne it is Bachelor Degree Level at 42.8%.

View data table

Australia: Highest Level of Education Achieved, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Certificate Level (I-IV)	30.2% (3,961,673)	26.3% (889,375)	8.8% (12,147)
Bachelor Degree Level	27.5% (3,608,622)	29.7% (1,004,490)	42.8% (59,264)
Advanced Diploma and Diploma Level	14.8% (1,946,164)	15.4% (521,152)	11.0% (15,258)
Level of education not stated	12.4% (1,629,218)	11.5% (389,265)	10.9% (15,055)
Postgraduate Degree Level	10.3% (1,356,874)	11.8% (399,369)	21.4% (29,626)
Graduate Diploma and Graduate Certificate Level	3.8% (492,789)	4.5% (152,845)	4.3% (5,909)
Level of education inadequately described	0.9% (123,065)	0.8% (27,733)	1.0% (1,341)

Ancestry Summary

Sum of Responses · 2021 · Source: GapMaps

In both Australia and the sample catchment, the largest group is UK (38.5% and 32.4%).

View data table

Australia: Ancestry Summary, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Australia	24.5% (8,275,167)	21.4% (1,817,907)	13.1% (31,596)
North East Asia	4.4% (1,478,782)	5.1% (435,906)	14.8% (35,643)
Southern and Eastern Europe	6.8% (2,284,230)	9.8% (833,605)	7.6% (18,369)
North West Europe	4.2% (1,407,902)	3.8% (320,563)	3.7% (8,844)
UK	38.5% (12,977,932)	35.8% (3,040,564)	32.4% (78,199)
South East Asia	2.1% (700,886)	2.4% (205,537)	3.2% (7,670)
South and Central Asia	2.5% (841,314)	3.7% (316,433)	4.1% (9,808)
MENA	0.7% (226,399)	0.5% (43,706)	0.1% (338)
New Zealand and Oceania	1.2% (388,117)	0.8% (71,140)	0.7% (1,684)
Other	15.3% (5,145,247)	16.5% (1,396,341)	20.4% (49,094)

Occupation

No. of Employed Residents Aged 15+ · 2021 · Source: GapMaps

In both Australia and the sample catchment, the largest group is Professionals (24.0% and 40.6%).

View data table

Australia: Occupation, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Managers	13.7% (1,644,648)	14.0% (441,835)	16.0% (18,784)
Professionals	24.0% (2,887,244)	25.0% (790,890)	40.6% (47,584)
Technicians & trades workers	12.9% (1,554,354)	12.6% (399,501)	7.2% (8,491)
Community & personal service workers	11.5% (1,380,238)	11.0% (347,304)	9.7% (11,416)
Clerical & administrative workers	12.7% (1,524,902)	12.4% (392,447)	10.8% (12,660)
Sales workers	8.2% (985,440)	8.3% (263,096)	6.9% (8,037)
Machinery operators & drivers	6.3% (754,047)	5.9% (187,344)	2.0% (2,288)
Labourers	9.0% (1,084,983)	8.8% (277,174)	5.0% (5,834)
Occupation inadequately described/ Not stated	1.8% (218,775)	1.9% (60,070)	1.8% (2,076)

Method of Travel to Work

No. of Employed Res Aged 15+ · 2021 · Source: GapMaps

Nationally, the largest group is Car, as driver at 53.5%. Within 3 km of Kings Domain, Melbourne it is Worked at home at 42.1%.

View data table

Australia: Method of Travel to Work, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Car, as driver	53.5% (6,347,244)	50.7% (1,577,905)	16.9% (19,540)
Worked at home	21.3% (2,529,760)	26.1% (814,129)	42.1% (48,846)
Did not go to work	11.9% (1,417,290)	11.3% (353,191)	10.7% (12,375)
Car, as passenger	3.9% (464,669)	3.5% (109,500)	1.1% (1,255)
Walked only	2.5% (294,821)	2.2% (69,432)	11.0% (12,806)
Bus Only	1.4% (162,732)	0.5% (14,103)	0.5% (562)
Train Only	1.4% (162,527)	1.6% (49,638)	3.8% (4,408)
Train and One Other Method	0.8% (89,967)	0.8% (24,522)	1.8% (2,049)
Other Two Methods (Not Train of Bus)	0.7% (77,433)	0.7% (20,487)	1.3% (1,538)
Other	2.7% (322,159)	2.6% (81,883)	10.8% (12,563)

Motor vehicles per dwelling

No. of Dwellings · 2021 · Source: GapMaps

Nationally, the largest group is Two at 36.9%. Within 3 km of Kings Domain, Melbourne it is One at 45.9%.

View data table

Australia: Motor vehicles per dwelling, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
None	7.3% (667,426)	7.5% (177,714)	39.6% (36,084)
One	36.7% (3,354,161)	36.4% (856,097)	45.9% (41,837)
Two	36.9% (3,365,807)	37.4% (880,726)	12.1% (11,037)
Three	12.2% (1,109,906)	11.9% (280,252)	1.8% (1,662)
Four or more	6.9% (631,303)	6.8% (159,148)	0.6% (574)

Dwelling Tenure

No. of Occupied Dwellings · 2021 · Source: GapMaps

Nationally, the largest group is Owned with a mortgage at 35.2%. Within 3 km of Kings Domain, Melbourne it is Rented Real Estate Agent at 52.0%.

View data table

Australia: Dwelling Tenure, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Owned outright	31.2% (2,871,535)	32.4% (768,567)	15.8% (14,513)
Owned with a mortgage	35.2% (3,241,678)	36.4% (862,333)	17.9% (16,498)
Rented Real Estate Agent	20.3% (1,867,288)	20.9% (494,381)	52.0% (47,902)
Rented State or territory housing authority	2.9% (266,753)	2.0% (47,193)	3.8% (3,505)
Rented Person not in same household	0.7% (65,099)	0.4% (9,419)	0.6% (509)
Rented Housing co operative community church group	5.3% (491,458)	4.4% (104,116)	6.6% (6,117)
Rented Other landlord type	1.1% (100,228)	0.6% (13,385)	0.5% (469)
Rented Landlord type not stated	0.1% (6,624)	0.1% (1,254)	0.1% (66)
Other tenure type	1.8% (165,268)	1.6% (37,663)	1.7% (1,528)
Tenure type not stated	1.3% (121,174)	1.3% (31,736)	1.0% (956)

Dwelling Structure

No. of Private Dwellings · 2021 · Source: GapMaps

Nationally, the largest group is Separate house at 65.2%. Within 3 km of Kings Domain, Melbourne it is Flat unit or apartment at 60.6%.

View data table

Australia: Dwelling Structure, 2021. Source: GapMaps
Category	Australia	Victoria	3 km around Kings Domain, Melbourne
Separate house	65.2% (6,709,653)	65.4% (1,755,471)	3.6% (4,414)
Semi detached row or terrace house townhouse etc	11.3% (1,165,948)	12.4% (331,694)	10.6% (13,064)
Flat unit or apartment	12.8% (1,313,728)	10.7% (287,962)	60.6% (74,561)
Other dwelling Caravan	0.2% (16,685)	0.1% (1,706)	0.0% (0)
Other dwelling Cabin houseboat	0.2% (16,417)	0.1% (3,410)	0.0% (0)
Other dwelling Improvised home tent sleepers out	0.0% (1,459)	0.0% (36)	0.0% (0)
Other dwelling House or flat attached to a shop office etc	0.1% (14,212)	0.2% (4,050)	0.2% (225)
Dwelling structure not stated	0.1% (13,533)	0.0% (1,242)	0.2% (219)
Unoccupied private dwellings	10.1% (1,042,108)	11.1% (297,489)	24.8% (30,508)

See this level of detail for any location in Australia

The sample is 3 km around Kings Domain, Melbourne. Every chart above can be produced for any catchment, suburb or trade area.

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All figures are GapMaps data. Reference years are shown on each chart.

Frequently asked questions about Australia demographics

What is the population of Australia?

Australia has a population of 27,613,654 (2025), according to GapMaps.

How many households are there in Australia?

There are 9,275,075 households in Australia, with an average of 2.54 people each (2021, GapMaps).

What is the average household income in Australia?

The average household income in Australia is AUD 105,794 (2021, GapMaps).

What is the age structure of Australia?

In Australia, 17.8% of residents are aged under 15, 64.2% are 15 to 64 and 18.0% are 65 or over (2025, GapMaps).

What is the average age in Australia?

The average age in Australia is 38.9 years (2021, GapMaps).

How fast is Australia's population growing?

Australia's population grew by an average of 1.5% a year between 2020 and 2025, according to GapMaps.

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Australia demographics and location data

Australia demographics at a glance

Australia demographic profile

Age profile

Generation

Weekly household income

Household spending

Household Size

Family Composition

Highest Level of Education Achieved

Ancestry Summary

Occupation

Method of Travel to Work

Motor vehicles per dwelling

Dwelling Tenure

Dwelling Structure

Frequently asked questions about Australia demographics

What is the population of Australia?

How many households are there in Australia?

What is the average household income in Australia?

What is the age structure of Australia?

What is the average age in Australia?

How fast is Australia's population growing?

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