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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Brimbank was 25 to 29 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 2,268 people.
The Age Structure of the City of Brimbank 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 City of Brimbank'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 City of Brimbank'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 | |||||||
|---|---|---|---|---|---|---|---|
| City of Brimbank - Total males (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Keilor Park & District % | Number | % | Keilor Park & District % | 2001 to 2021 |
| 0 to 4 | 5,714 | 5.9 | 7.3 | 5,797 | 7.1 | 4.6 | -83 |
| 5 to 9 | 6,073 | 6.2 | 6.5 | 6,430 | 7.9 | 5.7 | -357 |
| 10 to 14 | 5,711 | 5.9 | 6.2 | 6,169 | 7.6 | 4.9 | -458 |
| 15 to 19 | 5,640 | 5.8 | 4.7 | 6,436 | 7.9 | 7.5 | -796 |
| 20 to 24 | 7,056 | 7.2 | 4.4 | 6,377 | 7.8 | 8.3 | +679 |
| 25 to 29 | 8,476 | 8.7 | 5.2 | 6,257 | 7.7 | 11.0 | +2,219 |
| 30 to 34 | 7,469 | 7.7 | 7.1 | 6,200 | 7.6 | 7.0 | +1,269 |
| 35 to 39 | 7,021 | 7.2 | 6.9 | 6,147 | 7.5 | 5.0 | +874 |
| 40 to 44 | 6,210 | 6.4 | 6.3 | 6,022 | 7.4 | 5.1 | +188 |
| 45 to 49 | 5,947 | 6.1 | 7.6 | 5,917 | 7.3 | 5.9 | +30 |
| 50 to 54 | 5,905 | 6.1 | 5.9 | 5,631 | 6.9 | 9.1 | +274 |
| 55 to 59 | 5,956 | 6.1 | 5.2 | 4,187 | 5.1 | 8.7 | +1,769 |
| 60 to 64 | 5,441 | 5.6 | 3.9 | 3,173 | 3.9 | 8.1 | +2,268 |
| 65 to 69 | 4,728 | 4.8 | 4.4 | 2,477 | 3.0 | 4.5 | +2,251 |
| 70 to 74 | 4,099 | 4.2 | 5.8 | 1,873 | 2.3 | 2.7 | +2,226 |
| 75 to 79 | 2,811 | 2.9 | 6.6 | 1,331 | 1.6 | 1.2 | +1,480 |
| 80 to 84 | 1,838 | 1.9 | 3.8 | 653 | 0.8 | 0.7 | +1,185 |
| 85 and over | 1,391 | 1.4 | 2.3 | 366 | 0.4 | -- | +1,025 |
| Total population | 97,486 | 100.0 | 100.0 | 81,443 | 100.0 | 100.0 | +16,043 |
Dominant groups
Analysis of the male five year age groups of the City of Brimbank in 2021 compared to the Keilor Park & District shows that there was a lower proportion of males in the younger age groups (under 15) as well as a lower proportion of males in the older age groups (65+).
Overall, 17.9% of the male population was aged between 0 and 15, and 15.3% were aged 65 years and over, compared with 20.0% and 22.9% respectively for the Keilor Park & District.
The major differences between the male age structure of the City of Brimbank and the Keilor Park & District were:
- A larger percentage of males aged 25 to 29 (8.7% compared to 5.2%)
- A larger percentage of males aged 20 to 24 (7.2% compared to 4.4%)
- A smaller percentage of males aged 75 to 79 (2.9% compared to 6.6%)
- A smaller percentage of males aged 80 to 84 (1.9% compared to 3.8%)
Emerging groups
From 2001 to 2021, City of Brimbank's male population increased by 16,043 people (19.7%). This represents an average annual population change of 0.9% per year over the period.
The largest changes in male age structure in this area between 2001 and 2021 were in the age groups:
- 60 to 64 (+2,268 males)
- 65 to 69 (+2,251 males)
- 70 to 74 (+2,226 males)
- 25 to 29 (+2,219 males)
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