idc-logo
svg rectangle color
City of BrimbankCommunity profile

Cairnlea

Five year age groups

In 2021, the largest age group in Cairnlea was 45 to 49 year olds. The group that changed the most since 2006 was 60 to 64 year olds, increasing by 467 people.

The Age Structure of Cairnlea provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Cairnlea'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 Cairnlea'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
Cairnlea - Total persons (Usual residence)20212006Change
Five year age groups (years)Number%City of Brimbank %Number%City of Brimbank %2006 to 2021
0 to 45075.05.65338.66.5-27
5 to 97217.26.05078.26.8+214
10 to 147027.05.74998.07.2+203
15 to 197807.85.74767.77.4+304
20 to 247647.66.95488.87.6+216
25 to 297287.28.15669.17.1+162
30 to 345975.97.664510.47.3-48
35 to 396846.87.25609.07.5+124
40 to 447497.56.44697.57.3+280
45 to 498098.16.34577.37.2+352
50 to 547517.56.33886.26.9+363
55 to 596376.36.12313.76.2+406
60 to 645855.85.81181.94.5+467
65 to 694354.35.1761.23.4+359
70 to 742852.84.3580.92.7+227
75 to 791531.53.0370.62.1+116
80 to 84680.72.0430.71.4+25
85 and over920.91.9120.20.9+80
Total population10,047100.0100.06,227100.0100.0+3,820
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 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 Cairnlea in 2021 compared to the City of Brimbank shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 19.2% of the population was aged between 0 and 15, and 10.3% were aged 65 years and over, compared with 17.3% and 16.3% respectively for the City of Brimbank.

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

  • A larger percentage of persons aged 15 to 19 (7.8% compared to 5.7%)
  • A larger percentage of persons aged 45 to 49 (8.1% compared to 6.3%)
  • A smaller percentage of persons aged 30 to 34 (5.9% compared to 7.6%)
  • A smaller percentage of persons aged 70 to 74 (2.8% compared to 4.3%)

Emerging groups

From 2006 to 2021, Cairnlea's population increased by 3,820 people (61.3%). This represents an average annual population change of 3.24% per year over the period.

The largest changes in age structure in this area between 2006 and 2021 were in the age groups:

  • 60 to 64 (+467 persons)
  • 55 to 59 (+406 persons)
  • 50 to 54 (+363 persons)
  • 65 to 69 (+359 persons)

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices. Stats NZ Data and the copyright in the Stats NZ Data remains the property of the Statistics New Zealand.

The copyright in the way .id has modified, transformed or reconfigured the Stats NZ Data as published on this website remains the property of .id. Stats NZ Data can be accessed on the Statistics New Zealand website at www.stats.govt.nz. Unless otherwise specified, content that Stats NZ produce is licensed under the Creative Commons Attribution 4.0 International licence. For further information see https://www.stats.govt.nz/about-us/copyright/.