Powered by .id (informed decisions) for City of Onkaparinga
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LEARN MORE ABOUT .idIn 2021, the City of Onkaparinga had higher proportion of female children (under 18) and a higher proportion of females aged 60 or older than Greater Adelaide.
The Age Structure of the City of Onkaparinga provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of the City of Onkaparinga'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 City of Onkaparinga'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 female service age groups of the City of Onkaparinga in 2021 compared to Greater Adelaide shows that there was a higher proportion of females in the younger age groups (0 to 17 years) as well as a higher proportion of females in the older age groups (60+ years).
Overall, 20.4% of the female population was aged between 0 and 17, and 27.3% were aged 60 years and over, compared with 19.7% and 26.0% respectively for Greater Adelaide.
The major differences between the female age structure of the City of Onkaparinga and Greater Adelaide were:
- A larger percentage of 'Empty nesters and retirees' (12.6% compared to 11.4%)
- A larger percentage of 'Seniors' (12.1% compared to 11.3%)
- A smaller percentage of 'Young workforce' (12.1% compared to 13.8%)
- A smaller percentage of 'Tertiary education & independence' (7.6% compared to 8.5%)
Emerging groups
From 1991 to 2021, City of Onkaparinga's female population increased by 24,011 people (37.4%). This represents an average annual population change of 1.06% per year over the period.
The largest changes in the female age structure in this area between 1991 and 2021 were in the age groups:
- Seniors (70 to 84) (+7,716 females)
- Empty nesters and retirees (60 to 69) (+7,276 females)
- Older workers and pre-retirees (50 to 59) (+7,089 females)
- Elderly aged (85 and over) (+2,090 females)
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