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LEARN MORE ABOUT .idIn 2021, Eastern Region Alliance area had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than the City of Unley.
The Age Structure of Eastern Region Alliance area provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Eastern Region Alliance area'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 Eastern Region Alliance area'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?'
Dominant groups
Analysis of the service age groups of Eastern Region Alliance area in 2021 compared to the City of Unley 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, 19.5% of the population was aged between 0 and 17, and 27.0% were aged 60 years and over, compared with 18.9% and 28.3% respectively for the City of Unley.
There were no major differences between Eastern Region Alliance area and City of Unley in 2021.
Emerging groups
From 2006 to 2021, Eastern Region Alliance area's population increased by 23,228 people (12.6%). This represents an average annual population change of 0.8% per year over the period.
The largest changes in the age structure in this area between 2006 and 2021 were in the age groups:
- Empty nesters and retirees (60 to 69) (+6,700 people)
- Seniors (70 to 84) (+5,896 people)
- Young workforce (25 to 34) (+3,716 people)
- Primary schoolers (5 to 11) (+2,678 people)
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