Powered by .id (informed decisions) for National Growth Areas Alliance
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LEARN MORE ABOUT .idIn 2021, National Growth Areas Alliance (NGAA) had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than South Australia.
The Age Structure of National Growth Areas Alliance (NGAA) provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of National Growth Areas Alliance (NGAA)'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 National Growth Areas Alliance (NGAA)'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 | |||||||
|---|---|---|---|---|---|---|---|
| National Growth Areas Alliance (NGAA) - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Service age group (years) | Number | % | South Australia % | Number | % | South Australia % | 2001 to 2021 |
| Babies and pre-schoolers (0 to 4) | 376,489 | 7.3 | 5.3 | 229,760 | 8.0 | 6.1 | +146,729 |
| Primary schoolers (5 to 11) | 550,507 | 10.6 | 8.2 | 347,247 | 12.0 | 9.5 | +203,259 |
| Secondary schoolers (12 to 17) | 422,126 | 8.2 | 6.9 | 281,062 | 9.7 | 8.3 | +141,064 |
| Tertiary education and independence (18 to 24) | 452,377 | 8.7 | 8.3 | 277,805 | 9.6 | 8.9 | +174,571 |
| Young workforce (25 to 34) | 749,063 | 14.5 | 13.2 | 430,782 | 14.9 | 13.6 | +318,281 |
| Parents and homebuilders (35 to 49) | 1,114,994 | 21.5 | 18.9 | 660,543 | 22.9 | 22.4 | +454,451 |
| Older workers and pre-retirees (50 to 59) | 592,410 | 11.4 | 12.9 | 320,776 | 11.1 | 12.3 | +271,634 |
| Empty nesters and retirees (60 to 69) | 464,141 | 9.0 | 12.0 | 176,389 | 6.1 | 8.1 | +287,752 |
| Seniors (70 to 84) | 384,761 | 7.4 | 11.5 | 142,410 | 4.9 | 9.0 | +242,350 |
| Elderly aged (85 and over) | 67,694 | 1.3 | 2.7 | 20,919 | 0.7 | 1.7 | +46,774 |
| Total | 5,174,562 | 100.0 | 100.0 | 2,887,696 | 100.0 | 100.0 | +2,286,865 |
Dominant groups
Analysis of the service age groups of National Growth Areas Alliance (NGAA) in 2021 compared to South Australia shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).
Overall, 26.1% of the population was aged between 0 and 17, and 17.7% were aged 60 years and over, compared with 20.5% and 26.2% respectively for South Australia.
The major differences between the age structure of National Growth Areas Alliance (NGAA) and South Australia were:
- A larger percentage of 'Parents and homebuilders' (21.5% compared to 18.9%)
- A larger percentage of 'Primary schoolers' (10.6% compared to 8.2%)
- A smaller percentage of 'Seniors' (7.4% compared to 11.5%)
- A smaller percentage of 'Empty nesters and retirees' (9.0% compared to 12.0%)
Emerging groups
From 2001 to 2021, National Growth Areas Alliance (NGAA)'s population increased by 2,286,866 people (79.2%). This represents an average annual population change of 2.96% 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) (+454,451 people)
- Young workforce (25 to 34) (+318,281 people)
- Empty nesters and retirees (60 to 69) (+287,752 people)
- Older workers and pre-retirees (50 to 59) (+271,634 people)
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