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City of BrimbankCommunity profile

City of Brimbank

Five year age groups

In 2021, the largest age group in the City of Brimbank was 25 to 29 year olds. The group that changed the most since 1996 was 60 to 64 year olds, increasing by 6,195 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 persons (Enumerated)20211996Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %1996 to 2021
0 to 410,9975.75.911,1557.56.9-158
5 to 911,7246.06.311,6307.86.9+94
10 to 1411,0465.76.011,8157.96.7-769
15 to 1911,1125.75.612,4368.47.0-1,324
20 to 2413,3426.96.712,6138.58.1+729
25 to 2915,6648.17.812,0688.18.4+3,596
30 to 3414,7967.68.311,8618.08.3+2,935
35 to 3914,0247.28.111,8568.08.1+2,168
40 to 4412,3876.46.911,6827.97.4+705
45 to 4912,2616.36.511,2017.57.1+1,060
50 to 5412,2986.36.38,1395.55.5+4,159
55 to 5911,8306.15.66,2494.24.4+5,581
60 to 6411,2035.85.15,0083.43.7+6,195
65 to 699,7935.04.34,0982.83.5+5,695
70 to 748,3774.33.83,3962.33.1+4,981
75 to 795,7623.02.81,8611.32.2+3,901
80 to 843,8852.02.01,0530.71.5+2,832
85 and over3,6731.92.06720.51.2+3,001
Total population194,174100.0100.0148,793100.0100.0+45,381
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of the City of Brimbank in 2021 compared to Greater Melbourne shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 17.4% of the population was aged between 0 and 15, and 16.2% were aged 65 years and over, compared with 18.2% and 14.9% respectively for Greater Melbourne.

The major differences between the age structure of the City of Brimbank and Greater Melbourne were:

  • A larger percentage of persons aged 65 to 69 (5.0% compared to 4.3%)
  • A larger percentage of persons aged 60 to 64 (5.8% compared to 5.1%)
  • A smaller percentage of persons aged 35 to 39 (7.2% compared to 8.1%)
  • A smaller percentage of persons aged 30 to 34 (7.6% compared to 8.3%)

Emerging groups

From 1996 to 2021, City of Brimbank's population increased by 45,381 people (30.5%). This represents an average annual population change of 1.07% per year over the period.

The largest changes in age structure in this area between 1996 and 2021 were in the age groups:

  • 60 to 64 (+6,195 persons)
  • 65 to 69 (+5,695 persons)
  • 55 to 59 (+5,581 persons)
  • 70 to 74 (+4,981 persons)

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