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LEARN MORE ABOUT .idIn 2021, the largest age group in Bayside Council area was 30 to 34 year olds. The group that changed the most since 1996 was 25 to 29 year olds, increasing by 4,327 people.
The Age Structure of Bayside Council area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Bayside Council area's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture Bayside Council 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?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Bayside Council area - Total males (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Wolli Creek % | Number | % | Wolli Creek % | 1996 to 2021 |
| 0 to 4 | 5,115 | 5.9 | 5.3 | 3,866 | 6.7 | 8.2 | +1,249 |
| 5 to 9 | 4,405 | 5.0 | 2.0 | 3,385 | 5.9 | 6.9 | +1,020 |
| 10 to 14 | 4,036 | 4.6 | 0.9 | 3,303 | 5.7 | 4.1 | +733 |
| 15 to 19 | 4,081 | 4.7 | 1.5 | 3,627 | 6.3 | 5.7 | +454 |
| 20 to 24 | 7,139 | 8.2 | 12.4 | 4,233 | 7.3 | 5.8 | +2,906 |
| 25 to 29 | 9,080 | 10.4 | 22.7 | 4,753 | 8.2 | 11.8 | +4,327 |
| 30 to 34 | 9,296 | 10.7 | 22.4 | 5,250 | 9.1 | 9.2 | +4,046 |
| 35 to 39 | 7,646 | 8.8 | 13.4 | 4,740 | 8.2 | 8.9 | +2,906 |
| 40 to 44 | 5,896 | 6.8 | 6.4 | 4,011 | 6.9 | 8.9 | +1,885 |
| 45 to 49 | 5,312 | 6.1 | 3.5 | 4,063 | 7.0 | 6.8 | +1,249 |
| 50 to 54 | 4,796 | 5.5 | 2.5 | 3,407 | 5.9 | 6.7 | +1,389 |
| 55 to 59 | 4,613 | 5.3 | 2.1 | 2,990 | 5.2 | 3.4 | +1,623 |
| 60 to 64 | 3,945 | 4.5 | 1.9 | 2,637 | 4.6 | 3.4 | +1,308 |
| 65 to 69 | 3,287 | 3.8 | 1.2 | 2,479 | 4.3 | 4.4 | +808 |
| 70 to 74 | 3,129 | 3.6 | 0.9 | 1,994 | 3.5 | 3.2 | +1,135 |
| 75 to 79 | 2,239 | 2.6 | 0.5 | 1,509 | 2.6 | 1.9 | +730 |
| 80 to 84 | 1,689 | 1.9 | 0.3 | 998 | 1.7 | 0.5 | +691 |
| 85 and over | 1,531 | 1.8 | 0.1 | 513 | 0.9 | 0.4 | +1,018 |
| Total population | 87,235 | 100.0 | 100.0 | 57,758 | 100.0 | 100.0 | +29,477 |
Dominant groups
Analysis of the male five year age groups of Bayside Council area in 2021 compared to Wolli Creek shows that there was a higher proportion of males in the younger age groups (under 15) as well as a higher proportion of males in the older age groups (65+).
Overall, 15.5% of the male population was aged between 0 and 15, and 13.6% were aged 65 years and over, compared with 8.2% and 3.0% respectively for Wolli Creek.
The major differences between the male age structure of Bayside Council area and Wolli Creek were:
- A smaller percentage of males aged 25 to 29 (10.4% compared to 22.7%)
- A smaller percentage of males aged 30 to 34 (10.7% compared to 22.4%)
- A smaller percentage of males aged 35 to 39 (8.8% compared to 13.4%)
- A smaller percentage of males aged 20 to 24 (8.2% compared to 12.4%)
Emerging groups
From 1996 to 2021, Bayside Council area's male population increased by 29,477 people (51.0%). This represents an average annual population change of 1.66% per year over the period.
The largest changes in male age structure in this area between 1996 and 2021 were in the age groups:
- 25 to 29 (+4,327 males)
- 30 to 34 (+4,046 males)
- 20 to 24 (+2,906 males)
- 35 to 39 (+2,906 males)
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