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LEARN MORE ABOUT .idIn 2021, the Northern District had similar proportion of female children (under 18) and a higher proportion of females aged 60 or older than the City of Onkaparinga.
The Age Structure of the Northern District provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of the Northern District'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 Northern District'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 Northern District in 2021 compared to the City of Onkaparinga shows that there was a similar proportion of females in the younger age groups (0 to 17 years) and a higher proportion of females in the older age groups (60+ years).
Overall, 20.0% of the female population was aged between 0 and 17, and 28.3% were aged 60 years and over, compared with 20.4% and 27.3% respectively for the City of Onkaparinga.
The major differences between the female age structure of the Northern District and the City of Onkaparinga were:
- A larger percentage of 'Empty nesters and retirees' (13.4% compared to 12.6%)
- A smaller percentage of 'Young workforce' (11.2% compared to 12.1%)
Emerging groups
From 2006 to 2021, Northern District's female population increased by 437 people (2.2%). This represents an average annual population change of 0.14% per year over the period.
The largest changes in the female age structure in this area between 2006 and 2021 were in the age groups:
- Empty nesters and retirees (60 to 69) (+1,292 females)
- Seniors (70 to 84) (+1,256 females)
- Parents and homebuilders (35 to 49) (-732 females)
- Older workers and pre-retirees (50 to 59) (-498 females)
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