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City of BaysideCommunity profile

City of Bayside

Five year age groups

In 2021, the largest age group in the City of Bayside was 50 to 54 year olds. The group that changed the most since 2016 was 75 to 79 year olds, increasing by 1,149 people.

The Age Structure of the City of Bayside 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 Bayside'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 Bayside'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 Bayside - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2016 to 2021
0 to 44,4504.45.94,9945.16.4-544
5 to 95,9135.86.36,5746.86.2-661
10 to 147,3157.26.06,8517.15.7+464
15 to 196,9656.95.66,1786.46.0+787
20 to 245,2125.16.74,9195.17.4+293
25 to 293,6593.67.83,7603.98.1-101
30 to 344,2484.28.24,2234.38.2+25
35 to 395,4075.38.05,2615.47.3+146
40 to 446,4066.36.97,1537.47.0-747
45 to 497,8087.76.58,3158.66.9-507
50 to 548,4538.36.37,5437.86.2+910
55 to 597,4167.35.76,8847.15.7+532
60 to 646,6266.55.15,7565.94.9+870
65 to 695,6315.64.45,3995.64.4+232
70 to 745,4515.43.94,3124.43.3+1,139
75 to 794,1744.12.83,0253.12.5+1,149
80 to 842,7602.72.02,3222.41.9+438
85 and over3,4223.42.03,6243.72.0-202
Total population101,316100.0100.097,093100.0100.0+4,223
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 the City of Bayside 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 21.2% were aged 65 years and over, compared with 18.1% and 15.0% respectively for Greater Melbourne.

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

  • A larger percentage of persons aged 50 to 54 (8.3% compared to 6.3%)
  • A smaller percentage of persons aged 25 to 29 (3.6% compared to 7.8%)
  • A smaller percentage of persons aged 30 to 34 (4.2% compared to 8.2%)
  • A smaller percentage of persons aged 35 to 39 (5.3% compared to 8.0%)

Emerging groups

From 2016 to 2021, City of Bayside's population increased by 4,223 people (4.3%). This represents an average annual population change of 0.86% per year over the period.

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

  • 75 to 79 (+1,149 persons)
  • 70 to 74 (+1,139 persons)
  • 50 to 54 (+910 persons)
  • 60 to 64 (+870 persons)

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