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LEARN MORE ABOUT .idIn 2021, Greater Capital Cities had lower proportion of children (under 18) and a similar proportion of persons aged 60 or older than Greater Perth.
The Age Structure of Greater Capital Cities provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Greater Capital Cities's residential role and function and how it is likely to change in the future.
Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.
To get a more complete picture Greater Capital Cities's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Service age groups | |||||||
|---|---|---|---|---|---|---|---|
| Greater Capital Cities - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Service age group (years) | Number | % | Greater Perth % | Number | % | Greater Perth % | 2001 to 2021 |
| Babies and pre-schoolers (0 to 4) | 979,514 | 6.0 | 6.3 | 772,187 | 6.6 | 6.4 | +207,327 |
| Primary schoolers (5 to 11) | 1,454,617 | 8.8 | 9.2 | 1,133,096 | 9.6 | 9.9 | +321,521 |
| Secondary schoolers (12 to 17) | 1,180,893 | 7.2 | 7.5 | 973,811 | 8.3 | 9.1 | +207,082 |
| Tertiary education and independence (18 to 24) | 1,464,362 | 8.9 | 8.6 | 1,189,276 | 10.1 | 10.3 | +275,086 |
| Young workforce (25 to 34) | 2,519,905 | 15.3 | 14.2 | 1,821,776 | 15.5 | 14.3 | +698,129 |
| Parents and homebuilders (35 to 49) | 3,480,736 | 21.1 | 20.9 | 2,655,366 | 22.5 | 22.7 | +825,370 |
| Older workers and pre-retirees (50 to 59) | 1,981,265 | 12.0 | 12.2 | 1,370,364 | 11.6 | 11.8 | +610,901 |
| Empty nesters and retirees (60 to 69) | 1,610,790 | 9.8 | 10.0 | 846,019 | 7.2 | 7.2 | +764,771 |
| Seniors (70 to 84) | 1,456,322 | 8.8 | 9.1 | 863,641 | 7.3 | 6.9 | +592,681 |
| Elderly aged (85 and over) | 331,656 | 2.0 | 2.0 | 163,291 | 1.4 | 1.3 | +168,365 |
| Total | 16,460,060 | 100.0 | 100.0 | 11,788,827 | 100.0 | 100.0 | +4,671,233 |
Dominant groups
Analysis of the service age groups of Greater Capital Cities in 2021 compared to Greater Perth shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a similar proportion of people in the older age groups (60+ years).
Overall, 22.0% of the population was aged between 0 and 17, and 20.6% were aged 60 years and over, compared with 23.0% and 21.1% respectively for Greater Perth.
The major difference between the age structure of Greater Capital Cities and Greater Perth is:
- A larger percentage of 'Young workforce' (15.3% compared to 14.2%)
Emerging groups
From 2001 to 2021, Greater Capital Cities's population increased by 4,671,233 people (39.6%). This represents an average annual population change of 1.68% per year over the period.
The largest changes in the age structure in this area between 2001 and 2021 were in the age groups:
- Parents and homebuilders (35 to 49) (+825,370 people)
- Empty nesters and retirees (60 to 69) (+764,771 people)
- Young workforce (25 to 34) (+698,129 people)
- Older workers and pre-retirees (50 to 59) (+610,901 people)
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