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LEARN MORE ABOUT .idIn 2021, the largest age group in the Sydenham District was 20 to 24 year olds. The group that changed the most since 2006 was 10 to 14 year olds, decreasing by 912 people.
The Age Structure of the Sydenham District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Sydenham District'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 the Sydenham 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?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Sydenham District - Total males (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | City of Brimbank % | Number | % | City of Brimbank % | 2006 to 2021 |
| 0 to 4 | 1,164 | 5.1 | 5.9 | 1,691 | 7.1 | 6.6 | -528 |
| 5 to 9 | 1,233 | 5.4 | 6.2 | 1,935 | 8.1 | 7.0 | -702 |
| 10 to 14 | 1,323 | 5.7 | 5.9 | 2,234 | 9.3 | 7.5 | -912 |
| 15 to 19 | 1,523 | 6.6 | 5.8 | 2,160 | 9.0 | 7.6 | -637 |
| 20 to 24 | 1,765 | 7.7 | 7.2 | 1,827 | 7.6 | 7.9 | -62 |
| 25 to 29 | 1,734 | 7.5 | 8.7 | 1,502 | 6.3 | 7.3 | +232 |
| 30 to 34 | 1,499 | 6.5 | 7.7 | 1,642 | 6.9 | 7.1 | -144 |
| 35 to 39 | 1,337 | 5.8 | 7.2 | 1,812 | 7.6 | 7.2 | -475 |
| 40 to 44 | 1,223 | 5.3 | 6.4 | 2,042 | 8.5 | 7.3 | -820 |
| 45 to 49 | 1,411 | 6.1 | 6.1 | 1,908 | 8.0 | 7.1 | -497 |
| 50 to 54 | 1,563 | 6.8 | 6.1 | 1,700 | 7.1 | 6.8 | -138 |
| 55 to 59 | 1,730 | 7.5 | 6.1 | 1,253 | 5.2 | 6.2 | +476 |
| 60 to 64 | 1,664 | 7.2 | 5.6 | 928 | 3.9 | 4.7 | +735 |
| 65 to 69 | 1,380 | 6.0 | 4.8 | 538 | 2.2 | 3.5 | +841 |
| 70 to 74 | 1,064 | 4.6 | 4.2 | 359 | 1.5 | 2.6 | +704 |
| 75 to 79 | 694 | 3.0 | 2.9 | 228 | 1.0 | 1.9 | +465 |
| 80 to 84 | 399 | 1.7 | 1.9 | 104 | 0.4 | 1.2 | +295 |
| 85 and over | 316 | 1.4 | 1.4 | 89 | 0.4 | 0.6 | +227 |
| Total population | 23,022 | 100.0 | 100.0 | 23,960 | 100.0 | 100.0 | -939 |
Dominant groups
Analysis of the male five year age groups of the Sydenham District in 2021 compared to the City of Brimbank shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).
Overall, 16.2% of the male population was aged between 0 and 15, and 16.7% were aged 65 years and over, compared with 17.9% and 15.3% respectively for the City of Brimbank.
The major differences between the male age structure of the Sydenham District and the City of Brimbank were:
- A larger percentage of males aged 60 to 64 (7.2% compared to 5.6%)
- A larger percentage of males aged 55 to 59 (7.5% compared to 6.1%)
- A smaller percentage of males aged 35 to 39 (5.8% compared to 7.2%)
- A smaller percentage of males aged 25 to 29 (7.5% compared to 8.7%)
Emerging groups
From 2006 to 2021, Sydenham District's male population decreased by 938 people (3.9%). This represents an average annual population change of -0.27% per year over the period.
The largest changes in male age structure in this area between 2006 and 2021 were in the age groups:
- 10 to 14 (-912 males)
- 65 to 69 (+841 males)
- 40 to 44 (-820 males)
- 60 to 64 (+735 males)
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