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City of BoroondaraCommunity profile

Glen Iris

Five year age groups

In 2021, the largest age group in Glen Iris was 50 to 54 year olds. The group that changed the most since 2016 was 55 to 59 year olds, increasing by 227 people.

The Age Structure of Glen Iris provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Glen Iris'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 Glen Iris'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
Glen Iris - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Ashburton %Number%Ashburton %2016 to 2021
0 to 48395.05.28025.26.7+36
5 to 91,0526.37.01,1987.87.7-146
10 to 141,2817.77.71,1677.67.2+114
15 to 191,2167.37.01,1247.36.3+92
20 to 241,1596.95.79916.46.0+168
25 to 297504.54.17434.84.8+6
30 to 347784.74.87504.95.1+27
35 to 399475.75.99156.06.5+32
40 to 441,1016.67.21,1387.48.0-38
45 to 491,2957.87.81,2728.38.4+23
50 to 541,3077.87.81,2368.07.1+71
55 to 591,2187.36.99916.46.7+227
60 to 641,0056.05.98625.65.2+143
65 to 698034.85.07474.93.9+55
70 to 747404.43.75223.43.1+218
75 to 795543.32.93982.62.6+156
80 to 843452.12.42421.61.6+102
85 and over3081.82.92641.73.0+43
Total population16,698100.0100.015,370100.0100.0+1,328
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 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 Glen Iris in 2021 compared to Ashburton shows that there was a lower proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).

Overall, 19.0% of the population was aged between 0 and 15, and 16.5% were aged 65 years and over, compared with 20.0% and 16.9% respectively for Ashburton.

The major differences between the age structure of Glen Iris and Ashburton were:

  • A larger percentage of persons aged 20 to 24 (6.9% compared to 5.7%)
  • A larger percentage of persons aged 70 to 74 (4.4% compared to 3.7%)
  • A smaller percentage of persons aged 85 and over (1.8% compared to 2.9%)
  • A smaller percentage of persons aged 5 to 9 (6.3% compared to 7.0%)

Emerging groups

From 2016 to 2021, Glen Iris's population increased by 1,328 people (8.6%). This represents an average annual population change of 1.67% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 55 to 59 (+227 persons)
  • 70 to 74 (+218 persons)
  • 20 to 24 (+168 persons)
  • 75 to 79 (+156 persons)

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