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LEARN MORE ABOUT .idIn 2021, National Growth Areas Alliance (NGAA) had higher proportion of female children (under 18) and a lower proportion of females aged 60 or older than Greater Sydney.
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 females (Enumerated) | 2021 | 2011 | Change | ||||
| Service age group (years) | Number | % | Greater Sydney % | Number | % | Greater Sydney % | 2011 to 2021 |
| Babies and pre-schoolers (0 to 4) | 182,827 | 7.0 | 5.7 | 145,044 | 7.6 | 6.5 | +37,783 |
| Primary schoolers (5 to 11) | 268,431 | 10.2 | 8.5 | 191,026 | 10.0 | 8.3 | +77,405 |
| Secondary schoolers (12 to 17) | 204,237 | 7.8 | 6.8 | 164,634 | 8.6 | 7.1 | +39,602 |
| Tertiary education and independence (18 to 24) | 219,663 | 8.4 | 8.4 | 180,604 | 9.5 | 9.3 | +39,058 |
| Young workforce (25 to 34) | 388,242 | 14.8 | 15.5 | 275,021 | 14.4 | 15.4 | +113,220 |
| Parents and homebuilders (35 to 49) | 566,561 | 21.6 | 21.5 | 425,235 | 22.3 | 22.0 | +141,326 |
| Older workers and pre-retirees (50 to 59) | 303,677 | 11.6 | 12.1 | 228,547 | 12.0 | 12.3 | +75,130 |
| Empty nesters and retirees (60 to 69) | 242,547 | 9.3 | 10.0 | 159,572 | 8.4 | 8.9 | +82,975 |
| Seniors (70 to 84) | 202,802 | 7.7 | 9.1 | 113,439 | 5.9 | 7.7 | +89,363 |
| Elderly aged (85 and over) | 41,610 | 1.6 | 2.5 | 26,698 | 1.4 | 2.4 | +14,912 |
| Total | 2,620,597 | 100.0 | 100.0 | 1,909,823 | 100.0 | 100.0 | +710,774 |
Dominant groups
Analysis of the female service age groups of National Growth Areas Alliance (NGAA) in 2021 compared to Greater Sydney shows that there was a higher proportion of females in the younger age groups (0 to 17 years) and a lower proportion of females in the older age groups (60+ years).
Overall, 25.0% of the female population was aged between 0 and 17, and 18.6% were aged 60 years and over, compared with 21.0% and 21.6% respectively for Greater Sydney.
The major differences between the female age structure of National Growth Areas Alliance (NGAA) and Greater Sydney were:
- A larger percentage of 'Primary schoolers' (10.2% compared to 8.5%)
- A larger percentage of 'Babies and pre-schoolers' (7.0% compared to 5.7%)
- A larger percentage of 'Secondary schoolers' (7.8% compared to 6.8%)
- A smaller percentage of 'Seniors' (7.7% compared to 9.1%)
Emerging groups
From 2011 to 2021, National Growth Areas Alliance (NGAA)'s female population increased by 710,774 people (37.2%). This represents an average annual population change of 3.21% per year over the period.
The largest changes in the female age structure in this area between 2011 and 2021 were in the age groups:
- Parents and homebuilders (35 to 49) (+141,326 females)
- Young workforce (25 to 34) (+113,220 females)
- Seniors (70 to 84) (+89,363 females)
- Empty nesters and retirees (60 to 69) (+82,975 females)
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