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LEARN MORE ABOUT .idIn 2021, Thornlie had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than the City of Gosnells.
The Age Structure of Thornlie provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Thornlie'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 Thornlie'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 Thornlie in 2021 compared to the City of Gosnells shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).
Overall, 23.6% of the population was aged between 0 and 17, and 22.8% were aged 60 years and over, compared with 25.0% and 18.4% respectively for the City of Gosnells.
The major differences between the age structure of Thornlie and the City of Gosnells were:
- A larger percentage of 'Empty nesters and retirees' (11.6% compared to 9.1%)
- A larger percentage of 'Seniors' (9.7% compared to 7.7%)
- A smaller percentage of 'Parents and homebuilders' (20.5% compared to 22.1%)
- A smaller percentage of 'Young workforce' (12.5% compared to 13.9%)
Emerging groups
From 1991 to 2021, Thornlie's population increased by 2,002 people (9.4%). This represents an average annual population change of 0.3% per year over the period.
The largest changes in the age structure in this area between 1991 and 2021 were in the age groups:
- Empty nesters and retirees (60 to 69) (+1,790 people)
- Seniors (70 to 84) (+1,731 people)
- Older workers and pre-retirees (50 to 59) (+1,198 people)
- Secondary schoolers (12 to 17) (-636 people)
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