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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Perth was 25 to 29 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 3,239 people.
The Age Structure of the City of Perth 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 Perth'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 Perth'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 Perth - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | City of Melbourne % | Number | % | City of Melbourne % | 2001 to 2021 |
| 0 to 4 | 1,081 | 3.3 | 3.0 | 331 | 2.4 | 3.8 | +749 |
| 5 to 9 | 690 | 2.1 | 2.1 | 230 | 1.7 | 2.6 | +460 |
| 10 to 14 | 559 | 1.7 | 1.7 | 234 | 1.7 | 2.7 | +324 |
| 15 to 19 | 1,476 | 4.6 | 4.3 | 1,253 | 9.1 | 9.6 | +222 |
| 20 to 24 | 3,806 | 11.8 | 16.6 | 2,059 | 15.0 | 17.4 | +1,746 |
| 25 to 29 | 4,562 | 14.1 | 19.5 | 1,586 | 11.6 | 13.0 | +2,975 |
| 30 to 34 | 4,496 | 13.9 | 15.4 | 1,256 | 9.2 | 10.1 | +3,239 |
| 35 to 39 | 3,271 | 10.1 | 9.7 | 1,035 | 7.5 | 7.3 | +2,236 |
| 40 to 44 | 2,162 | 6.7 | 5.9 | 919 | 6.7 | 6.2 | +1,243 |
| 45 to 49 | 1,699 | 5.3 | 4.3 | 917 | 6.7 | 5.8 | +782 |
| 50 to 54 | 1,701 | 5.3 | 3.7 | 986 | 7.2 | 5.7 | +715 |
| 55 to 59 | 1,617 | 5.0 | 3.4 | 712 | 5.2 | 4.4 | +905 |
| 60 to 64 | 1,440 | 4.5 | 2.9 | 625 | 4.6 | 3.1 | +815 |
| 65 to 69 | 1,252 | 3.9 | 2.4 | 467 | 3.4 | 2.4 | +785 |
| 70 to 74 | 1,027 | 3.2 | 2.0 | 385 | 2.8 | 2.1 | +641 |
| 75 to 79 | 648 | 2.0 | 1.3 | 301 | 2.2 | 1.7 | +346 |
| 80 to 84 | 462 | 1.4 | 0.8 | 210 | 1.5 | 1.2 | +252 |
| 85 and over | 382 | 1.2 | 0.9 | 207 | 1.5 | 1.1 | +175 |
| Total population | 32,331 | 100.0 | 100.0 | 13,721 | 100.0 | 100.0 | +18,609 |
Dominant groups
Analysis of the five year age groups of the City of Perth in 2021 compared to the City of Melbourne shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 7.2% of the population was aged between 0 and 15, and 11.7% were aged 65 years and over, compared with 6.8% and 7.4% respectively for the City of Melbourne.
The major differences between the age structure of the City of Perth and the City of Melbourne were:
- A larger percentage of persons aged 55 to 59 (5.0% compared to 3.4%)
- A larger percentage of persons aged 60 to 64 (4.5% compared to 2.9%)
- A smaller percentage of persons aged 25 to 29 (14.1% compared to 19.5%)
- A smaller percentage of persons aged 20 to 24 (11.8% compared to 16.6%)
Emerging groups
From 2001 to 2021, City of Perth's population increased by 18,610 people (135.6%). This represents an average annual population change of 4.38% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 30 to 34 (+3,239 persons)
- 25 to 29 (+2,975 persons)
- 35 to 39 (+2,236 persons)
- 20 to 24 (+1,746 persons)
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