CensusAtlas

Indicator

Children under 15

Share of the population aged under 15 years.

Australia over time

18.2% in 2021 ▼ -5.3%

Explore on the map

See how under 15 varies across Australia.

By block (sa1) By statistical area 2 (sa2) By postcode By council (lga) By sub-region (sa3) By region (sa4) By capital city By state / territory By australia By suburb / locality By urban area By urban centre By federal electorate By state electorate By section of state By section of state range By remoteness area

Highest areas

SA2 areas with the highest under 15 (2021 Census).

  1. Northern Peninsula 34.9%
  2. Yarrabilba 34.8%
  3. Torres Strait Islands 32.3%
  4. Point Cook - South 32.1%
  5. Tarneit (West) - Mount Cottrell 31.6%
  6. Palm Island 31.4%

Related indicators

Total population View → Median age View → Aboriginal & Torres Strait Islander population View → People aged 65 and over View → People in a de facto relationship View →

Frequently asked questions

What is Children under 15 in Australia?

At the 2021 Census, Children under 15 across Australia was 18.2%. It is expressed as a percentage of the relevant group.

How is Children under 15 measured?

Share of the population aged under 15 years. It is calculated as a percentage of the relevant population or dwellings, so it can be compared fairly between large and small areas.

How does Children under 15 vary across Australia?

Across the 2,385 SA2 areas with data, Children under 15 ranges from 0.0% to 34.9%, with a typical (median) area at 17.9%.

Can Children under 15 be compared across censuses?

Yes — Children under 15 is measured consistently enough to compare across the 2011, 2016 and 2021 Censuses, so the trend over time is meaningful. Nationally it has fallen from 19.3% in 2011 to 18.2% in 2021.

Where can I see Children under 15 for my area?

Use the interactive map to compare Children under 15 down to block (sa1) and statistical area 2 (sa2) level, or search any suburb, postcode or council area to see its value in context against state and national figures.

Cite this page

Australian Bureau of Statistics. (2021). Children under 15 [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/indicator/share-under-15