Powered by .id (informed decisions) for City of Port Phillip
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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Port Phillip was 30 to 34 year olds. The group that changed the most since 2011 was 25 to 29 year olds, decreasing by 1,810 people.
The Age Structure of the City of Port Phillip 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 Port Phillip'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 Port Phillip'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 Port Phillip - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Greater Melbourne % | Number | % | Greater Melbourne % | 2011 to 2021 |
| 0 to 4 | 4,177 | 4.1 | 5.9 | 4,580 | 5.0 | 6.5 | -403 |
| 5 to 9 | 3,789 | 3.7 | 6.3 | 3,086 | 3.4 | 6.0 | +703 |
| 10 to 14 | 3,660 | 3.6 | 6.0 | 2,376 | 2.6 | 5.9 | +1,284 |
| 15 to 19 | 3,289 | 3.2 | 5.6 | 2,442 | 2.7 | 6.3 | +847 |
| 20 to 24 | 5,551 | 5.4 | 6.7 | 6,590 | 7.2 | 7.5 | -1,039 |
| 25 to 29 | 11,177 | 11.0 | 7.8 | 12,987 | 14.2 | 7.9 | -1,810 |
| 30 to 34 | 11,942 | 11.7 | 8.2 | 12,304 | 13.5 | 7.5 | -362 |
| 35 to 39 | 10,265 | 10.1 | 8.0 | 9,727 | 10.6 | 7.5 | +538 |
| 40 to 44 | 8,017 | 7.9 | 6.9 | 7,741 | 8.5 | 7.5 | +276 |
| 45 to 49 | 7,562 | 7.4 | 6.5 | 6,040 | 6.6 | 6.9 | +1,522 |
| 50 to 54 | 7,116 | 7.0 | 6.3 | 5,324 | 5.8 | 6.4 | +1,792 |
| 55 to 59 | 6,211 | 6.1 | 5.7 | 4,603 | 5.0 | 5.6 | +1,608 |
| 60 to 64 | 5,389 | 5.3 | 5.1 | 4,313 | 4.7 | 5.1 | +1,076 |
| 65 to 69 | 4,289 | 4.2 | 4.4 | 3,096 | 3.4 | 3.9 | +1,193 |
| 70 to 74 | 3,772 | 3.7 | 3.9 | 2,095 | 2.3 | 3.0 | +1,677 |
| 75 to 79 | 2,626 | 2.6 | 2.8 | 1,611 | 1.8 | 2.4 | +1,015 |
| 80 to 84 | 1,646 | 1.6 | 2.0 | 1,276 | 1.4 | 2.0 | +370 |
| 85 and over | 1,468 | 1.4 | 2.0 | 1,182 | 1.3 | 1.8 | +286 |
| Total population | 101,946 | 100.0 | 100.0 | 91,373 | 100.0 | 100.0 | +10,573 |
Dominant groups
Analysis of the five year age groups of the City of Port Phillip in 2021 compared to Greater Melbourne 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, 11.4% of the population was aged between 0 and 15, and 13.5% 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 Port Phillip and Greater Melbourne were:
- A larger percentage of persons aged 30 to 34 (11.7% compared to 8.2%)
- A larger percentage of persons aged 25 to 29 (11.0% compared to 7.8%)
- A smaller percentage of persons aged 5 to 9 (3.7% compared to 6.3%)
- A smaller percentage of persons aged 10 to 14 (3.6% compared to 6.0%)
Emerging groups
From 2011 to 2021, City of Port Phillip's population increased by 10,573 people (11.6%). This represents an average annual population change of 1.1% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 25 to 29 (-1,810 persons)
- 50 to 54 (+1,792 persons)
- 70 to 74 (+1,677 persons)
- 55 to 59 (+1,608 persons)
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