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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 2016 was 75 to 79 year olds, increasing by 658 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 females (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Greater Melbourne % | Number | % | Greater Melbourne % | 2016 to 2021 |
| 0 to 4 | 2,246 | 4.2 | 5.7 | 2,445 | 4.8 | 6.1 | -199 |
| 5 to 9 | 2,850 | 5.4 | 6.0 | 3,298 | 6.5 | 5.9 | -448 |
| 10 to 14 | 3,607 | 6.8 | 5.7 | 3,369 | 6.6 | 5.4 | +238 |
| 15 to 19 | 3,369 | 6.4 | 5.4 | 2,964 | 5.8 | 5.8 | +405 |
| 20 to 24 | 2,442 | 4.6 | 6.4 | 2,381 | 4.7 | 7.2 | +61 |
| 25 to 29 | 1,826 | 3.4 | 7.6 | 1,945 | 3.8 | 8.0 | -119 |
| 30 to 34 | 2,277 | 4.3 | 8.3 | 2,282 | 4.5 | 8.2 | -5 |
| 35 to 39 | 2,934 | 5.5 | 8.0 | 2,812 | 5.5 | 7.2 | +122 |
| 40 to 44 | 3,440 | 6.5 | 6.8 | 3,906 | 7.7 | 7.0 | -466 |
| 45 to 49 | 4,202 | 7.9 | 6.6 | 4,405 | 8.7 | 6.9 | -203 |
| 50 to 54 | 4,418 | 8.3 | 6.4 | 3,961 | 7.8 | 6.3 | +457 |
| 55 to 59 | 3,925 | 7.4 | 5.7 | 3,579 | 7.0 | 5.8 | +346 |
| 60 to 64 | 3,410 | 6.4 | 5.2 | 3,000 | 5.9 | 5.0 | +410 |
| 65 to 69 | 3,038 | 5.7 | 4.5 | 2,829 | 5.6 | 4.5 | +209 |
| 70 to 74 | 2,914 | 5.5 | 4.1 | 2,317 | 4.6 | 3.4 | +597 |
| 75 to 79 | 2,290 | 4.3 | 2.9 | 1,632 | 3.2 | 2.7 | +658 |
| 80 to 84 | 1,547 | 2.9 | 2.2 | 1,328 | 2.6 | 2.1 | +219 |
| 85 and over | 2,201 | 4.2 | 2.5 | 2,393 | 4.7 | 2.4 | -192 |
| Total population | 52,936 | 100.0 | 100.0 | 50,846 | 100.0 | 100.0 | +2,090 |
Dominant groups
Analysis of the female five year age groups of the City of Bayside in 2021 compared to Greater Melbourne shows that there was a lower proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).
Overall, 16.4% of the female population was aged between 0 and 15, and 22.7% were aged 65 years and over, compared with 17.4% and 16.2% respectively for Greater Melbourne.
The major differences between the female age structure of the City of Bayside and Greater Melbourne were:
- A larger percentage of females aged 50 to 54 (8.3% compared to 6.4%)
- A smaller percentage of females aged 25 to 29 (3.4% compared to 7.6%)
- A smaller percentage of females aged 30 to 34 (4.3% compared to 8.3%)
- A smaller percentage of females aged 35 to 39 (5.5% compared to 8.0%)
Emerging groups
From 2016 to 2021, City of Bayside's female population increased by 2,090 people (4.1%). This represents an average annual population change of 0.81% per year over the period.
The largest changes in female age structure in this area between 2016 and 2021 were in the age groups:
- 75 to 79 (+658 females)
- 70 to 74 (+597 females)
- 40 to 44 (-466 females)
- 50 to 54 (+457 females)
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