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LEARN MORE ABOUT .idIn 2021, the Shire of Serpentine-Jarrahdale had higher proportion of male children (under 18) and a lower proportion of males aged 60 or older than National Growth Areas Alliance (NGAA).
The Age Structure of the Shire of Serpentine-Jarrahdale provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of the Shire of Serpentine-Jarrahdale '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 the Shire of Serpentine-Jarrahdale '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 | |||||||
|---|---|---|---|---|---|---|---|
| Shire of Serpentine-Jarrahdale - Total males (Enumerated) | 2021 | 2011 | Change | ||||
| Service age group (years) | Number | % | National Growth Areas Alliance (NGAA) % | Number | % | National Growth Areas Alliance (NGAA) % | 2011 to 2021 |
| Babies and pre-schoolers (0 to 4) | 1,415 | 9.3 | 7.6 | 748 | 8.7 | 8.2 | +667 |
| Primary schoolers (5 to 11) | 1,918 | 12.6 | 11.0 | 986 | 11.4 | 10.8 | +932 |
| Secondary schoolers (12 to 17) | 1,370 | 9.0 | 8.5 | 819 | 9.5 | 9.4 | +551 |
| Tertiary education and independence (18 to 24) | 1,195 | 7.8 | 9.1 | 798 | 9.2 | 9.9 | +397 |
| Young workforce (25 to 34) | 2,094 | 13.7 | 14.1 | 963 | 11.1 | 13.9 | +1,131 |
| Parents and homebuilders (35 to 49) | 3,136 | 20.5 | 21.5 | 2,004 | 23.2 | 21.6 | +1,132 |
| Older workers and pre-retirees (50 to 59) | 1,849 | 12.1 | 11.3 | 1,026 | 11.9 | 11.7 | +823 |
| Empty nesters and retirees (60 to 69) | 1,214 | 7.9 | 8.7 | 840 | 9.7 | 8.4 | +374 |
| Seniors (70 to 84) | 982 | 6.4 | 7.1 | 408 | 4.7 | 5.3 | +574 |
| Elderly aged (85 and over) | 108 | 0.7 | 1.0 | 48 | 0.6 | 0.8 | +60 |
| Total | 15,281 | 100.0 | 100.0 | 8,640 | 100.0 | 100.0 | +6,641 |
Dominant groups
Analysis of the male service age groups of the Shire of Serpentine-Jarrahdale in 2021 compared to National Growth Areas Alliance (NGAA) shows that there was a higher proportion of males in the younger age groups (0 to 17 years) and a lower proportion of males in the older age groups (60+ years).
Overall, 30.8% of the male population was aged between 0 and 17, and 15.1% were aged 60 years and over, compared with 27.2% and 16.8% respectively for National Growth Areas Alliance (NGAA).
The major differences between the male age structure of the Shire of Serpentine-Jarrahdale and National Growth Areas Alliance (NGAA) were:
- A larger percentage of 'Babies and pre-schoolers' (9.3% compared to 7.6%)
- A larger percentage of 'Primary schoolers' (12.6% compared to 11.0%)
- A smaller percentage of 'Tertiary education & independence' (7.8% compared to 9.1%)
- A smaller percentage of 'Parents and homebuilders' (20.5% compared to 21.5%)
Emerging groups
From 2011 to 2021, Shire of Serpentine-Jarrahdale 's male population increased by 6,641 people (76.9%). This represents an average annual population change of 5.87% per year over the period.
The largest changes in the male age structure in this area between 2011 and 2021 were in the age groups:
- Parents and homebuilders (35 to 49) (+1,132 males)
- Young workforce (25 to 34) (+1,131 males)
- Primary schoolers (5 to 11) (+932 males)
- Older workers and pre-retirees (50 to 59) (+823 males)
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