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City of BoroondaraCommunity profile

Riversdale Ward

Five year age groups

In 2021, the largest age group in Riversdale Ward was 25 to 29 year olds. The group that changed the most since 1996 was 20 to 24 year olds, decreasing by 379 people.

The Age Structure of Riversdale Ward provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Riversdale Ward'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 Riversdale Ward'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
Riversdale Ward - Total persons (Enumerated)20211996Change
Five year age groups (years)Number%Cotham Ward %Number%Cotham Ward %1996 to 2021
0 to 45044.03.54433.95.6+60
5 to 95424.34.84754.16.1+67
10 to 146275.06.75765.06.5+51
15 to 197305.88.09848.67.9-255
20 to 241,0458.37.41,42312.47.9-379
25 to 291,34810.65.41,21710.66.0+130
30 to 341,2129.64.69388.25.5+273
35 to 399747.74.77856.86.8+188
40 to 448286.55.66745.97.6+153
45 to 497736.16.97926.98.3-20
50 to 547776.17.46385.66.8+138
55 to 597165.77.14914.34.8+225
60 to 646134.85.93182.83.8+295
65 to 695074.05.53413.03.9+166
70 to 745294.24.93613.13.9+168
75 to 793973.14.03543.13.5+42
80 to 842612.13.53122.72.6-52
85 and over2812.24.23593.12.7-79
Total population12,664100.0100.011,492100.0100.0+1,172
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 Riversdale Ward in 2021 compared to Cotham Ward shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).

Overall, 13.2% of the population was aged between 0 and 15, and 15.6% were aged 65 years and over, compared with 15.0% and 22.1% respectively for Cotham Ward.

The major differences between the age structure of Riversdale Ward and Cotham Ward were:

  • A larger percentage of persons aged 25 to 29 (10.6% compared to 5.4%)
  • A larger percentage of persons aged 30 to 34 (9.6% compared to 4.6%)
  • A larger percentage of persons aged 35 to 39 (7.7% compared to 4.7%)
  • A smaller percentage of persons aged 15 to 19 (5.8% compared to 8.0%)

Emerging groups

From 1996 to 2021, Riversdale Ward's population increased by 1,172 people (10.2%). This represents an average annual population change of 0.39% per year over the period.

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

  • 20 to 24 (-379 persons)
  • 60 to 64 (+295 persons)
  • 30 to 34 (+273 persons)
  • 15 to 19 (-255 persons)

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