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LEARN MORE ABOUT .idIn 2021, Bibra Lake had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than Coogee.
The Age Structure of Bibra Lake provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Bibra Lake'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 Bibra Lake'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 Bibra Lake in 2021 compared to Coogee 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, 20.6% of the population was aged between 0 and 17, and 27.8% were aged 60 years and over, compared with 19.8% and 29.5% respectively for Coogee.
The major differences between the age structure of Bibra Lake and Coogee were:
- A larger percentage of 'Young workforce' (10.8% compared to 9.1%)
- A larger percentage of 'Frail aged' (3.1% compared to 2.0%)
- A smaller percentage of 'Seniors' (11.3% compared to 13.7%)
- A smaller percentage of 'Older workers & pre-retirees' (14.1% compared to 15.4%)
Emerging groups
From 2011 to 2021, Bibra Lake's population decreased by 77 people (1.3%). This represents an average annual population change of -0.13% per year over the period.
The largest changes in the age structure in this area between 2011 and 2021 were in the age groups:
- Empty nesters and retirees (60 to 69) (+245 people)
- Parents and homebuilders (35 to 49) (-206 people)
- Seniors (70 to 84) (+194 people)
- Tertiary education and independence (18 to 24) (-120 people)
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