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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 2001 was 30 to 34 year olds, increasing by 4,375 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 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Greater Sydney % | Number | % | Greater Sydney % | 2001 to 2021 |
| 0 to 4 | 5,115 | 5.9 | 6.2 | 4,073 | 6.8 | 7.0 | +1,042 |
| 5 to 9 | 4,405 | 5.0 | 6.5 | 3,593 | 6.0 | 7.1 | +812 |
| 10 to 14 | 4,036 | 4.6 | 6.4 | 3,464 | 5.7 | 7.0 | +572 |
| 15 to 19 | 4,081 | 4.7 | 5.9 | 3,761 | 6.2 | 7.1 | +320 |
| 20 to 24 | 7,139 | 8.2 | 6.8 | 4,266 | 7.1 | 7.2 | +2,873 |
| 25 to 29 | 9,080 | 10.4 | 7.6 | 4,943 | 8.2 | 7.9 | +4,137 |
| 30 to 34 | 9,296 | 10.7 | 7.9 | 4,921 | 8.2 | 8.1 | +4,375 |
| 35 to 39 | 7,646 | 8.8 | 7.9 | 5,039 | 8.4 | 8.1 | +2,607 |
| 40 to 44 | 5,896 | 6.8 | 7.0 | 4,477 | 7.4 | 7.7 | +1,419 |
| 45 to 49 | 5,312 | 6.1 | 6.6 | 3,994 | 6.6 | 6.9 | +1,318 |
| 50 to 54 | 4,796 | 5.5 | 6.1 | 3,993 | 6.6 | 6.6 | +803 |
| 55 to 59 | 4,613 | 5.3 | 5.8 | 3,289 | 5.5 | 5.1 | +1,324 |
| 60 to 64 | 3,945 | 4.5 | 5.1 | 2,792 | 4.6 | 3.9 | +1,153 |
| 65 to 69 | 3,287 | 3.8 | 4.3 | 2,322 | 3.8 | 3.1 | +965 |
| 70 to 74 | 3,129 | 3.6 | 3.8 | 2,048 | 3.4 | 2.8 | +1,081 |
| 75 to 79 | 2,239 | 2.6 | 2.7 | 1,566 | 2.6 | 2.2 | +673 |
| 80 to 84 | 1,689 | 1.9 | 1.8 | 1,075 | 1.8 | 1.3 | +614 |
| 85 and over | 1,531 | 1.8 | 1.6 | 724 | 1.2 | 0.8 | +807 |
| Total population | 87,235 | 100.0 | 100.0 | 60,340 | 100.0 | 100.0 | +26,895 |
Dominant groups
Analysis of the male five year age groups of Bayside Council area in 2021 compared to Greater Sydney shows that there was a lower proportion of males in the younger age groups (under 15) and a similar 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 19.2% and 14.1% respectively for Greater Sydney.
The major differences between the male age structure of Bayside Council area and Greater Sydney were:
- A larger percentage of males aged 25 to 29 (10.4% compared to 7.6%)
- A larger percentage of males aged 30 to 34 (10.7% compared to 7.9%)
- A smaller percentage of males aged 10 to 14 (4.6% compared to 6.4%)
- A smaller percentage of males aged 5 to 9 (5.0% compared to 6.5%)
Emerging groups
From 2001 to 2021, Bayside Council area's male population increased by 26,895 people (44.6%). This represents an average annual population change of 1.86% per year over the period.
The largest changes in male age structure in this area between 2001 and 2021 were in the age groups:
- 30 to 34 (+4,375 males)
- 25 to 29 (+4,137 males)
- 20 to 24 (+2,873 males)
- 35 to 39 (+2,607 males)
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