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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Bayside was 50 to 54 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 1,890 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 males (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Highett Activity Centre % | Number | % | Highett Activity Centre % | 1991 to 2021 |
| 0 to 4 | 2,201 | 4.6 | 6.8 | 2,354 | 6.3 | 5.9 | -153 |
| 5 to 9 | 3,038 | 6.4 | 5.8 | 2,500 | 6.6 | 5.3 | +537 |
| 10 to 14 | 3,673 | 7.7 | 5.8 | 2,658 | 7.1 | 6.4 | +1,015 |
| 15 to 19 | 3,551 | 7.5 | 4.8 | 2,738 | 7.3 | 6.6 | +812 |
| 20 to 24 | 2,729 | 5.7 | 6.5 | 2,779 | 7.4 | 8.1 | -51 |
| 25 to 29 | 1,816 | 3.8 | 7.2 | 2,146 | 5.7 | 7.4 | -330 |
| 30 to 34 | 1,952 | 4.1 | 8.8 | 2,602 | 6.9 | 9.0 | -651 |
| 35 to 39 | 2,460 | 5.2 | 8.3 | 2,787 | 7.4 | 8.1 | -328 |
| 40 to 44 | 2,941 | 6.2 | 8.8 | 3,136 | 8.3 | 7.5 | -195 |
| 45 to 49 | 3,570 | 7.5 | 8.3 | 2,681 | 7.1 | 4.7 | +888 |
| 50 to 54 | 3,957 | 8.3 | 9.1 | 2,066 | 5.5 | 5.4 | +1,890 |
| 55 to 59 | 3,430 | 7.2 | 5.0 | 1,732 | 4.6 | 4.1 | +1,697 |
| 60 to 64 | 3,112 | 6.5 | 4.2 | 1,815 | 4.8 | 5.5 | +1,296 |
| 65 to 69 | 2,483 | 5.2 | 3.6 | 1,852 | 4.9 | 5.0 | +630 |
| 70 to 74 | 2,428 | 5.1 | 3.2 | 1,536 | 4.1 | 4.6 | +891 |
| 75 to 79 | 1,799 | 3.8 | 1.5 | 1,168 | 3.1 | 4.3 | +631 |
| 80 to 84 | 1,184 | 2.5 | 1.4 | 680 | 1.8 | 1.1 | +504 |
| 85 and over | 1,209 | 2.5 | 1.2 | 416 | 1.1 | 1.0 | +793 |
| Total population | 47,533 | 100.0 | 100.0 | 37,656 | 100.0 | 100.0 | +9,877 |
Dominant groups
Analysis of the male five year age groups of the City of Bayside in 2021 compared to Highett Activity Centre shows that there was a similar proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).
Overall, 18.7% of the male population was aged between 0 and 15, and 19.2% were aged 65 years and over, compared with 18.4% and 10.8% respectively for Highett Activity Centre.
The major differences between the male age structure of the City of Bayside and Highett Activity Centre were:
- A larger percentage of males aged 15 to 19 (7.5% compared to 4.8%)
- A smaller percentage of males aged 30 to 34 (4.1% compared to 8.8%)
- A smaller percentage of males aged 25 to 29 (3.8% compared to 7.2%)
- A smaller percentage of males aged 35 to 39 (5.2% compared to 8.3%)
Emerging groups
From 1991 to 2021, City of Bayside's male population increased by 9,877 people (26.2%). This represents an average annual population change of 0.78% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+1,890 males)
- 55 to 59 (+1,697 males)
- 60 to 64 (+1,296 males)
- 10 to 14 (+1,015 males)
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