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LEARN MORE ABOUT .idIn 2021, the largest age group in Greater Perth was 35 to 39 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 39,562 people.
The Age Structure of Greater 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 Greater 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 Greater 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 | |||||||
|---|---|---|---|---|---|---|---|
| Greater Perth - Total females (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Australian Capital Territory % | Number | % | Australian Capital Territory % | 1991 to 2021 |
| 0 to 4 | 62,861 | 5.9 | 5.6 | 42,200 | 7.0 | -- | +20,661 |
| 5 to 9 | 66,468 | 6.3 | 6.1 | 43,347 | 7.2 | -- | +23,121 |
| 10 to 14 | 65,703 | 6.2 | 5.7 | 43,741 | 7.3 | -- | +21,962 |
| 15 to 19 | 60,270 | 5.7 | 5.7 | 48,571 | 8.1 | -- | +11,699 |
| 20 to 24 | 64,401 | 6.1 | 7.5 | 48,205 | 8.0 | -- | +16,196 |
| 25 to 29 | 70,898 | 6.7 | 8.5 | 46,853 | 7.8 | -- | +24,045 |
| 30 to 34 | 81,235 | 7.7 | 8.5 | 49,405 | 8.2 | -- | +31,830 |
| 35 to 39 | 82,025 | 7.7 | 8.2 | 49,107 | 8.2 | -- | +32,918 |
| 40 to 44 | 71,835 | 6.8 | 7.0 | 47,377 | 7.9 | -- | +24,458 |
| 45 to 49 | 69,376 | 6.6 | 6.4 | 34,689 | 5.8 | -- | +34,687 |
| 50 to 54 | 67,745 | 6.4 | 5.9 | 28,183 | 4.7 | -- | +39,562 |
| 55 to 59 | 62,569 | 5.9 | 5.3 | 23,429 | 3.9 | -- | +39,140 |
| 60 to 64 | 57,704 | 5.4 | 4.8 | 22,983 | 3.8 | -- | +34,721 |
| 65 to 69 | 51,513 | 4.9 | 4.2 | 21,292 | 3.6 | -- | +30,221 |
| 70 to 74 | 45,028 | 4.3 | 3.9 | 17,414 | 2.9 | -- | +27,614 |
| 75 to 79 | 31,244 | 3.0 | 2.7 | 14,865 | 2.5 | -- | +16,379 |
| 80 to 84 | 23,106 | 2.2 | 1.9 | 9,808 | 1.6 | -- | +13,298 |
| 85 and over | 25,027 | 2.4 | 1.9 | 7,438 | 1.2 | -- | +17,589 |
| Total population | 1,059,008 | 100.0 | 100.0 | 598,907 | 100.0 | -- | +460,101 |
Dominant groups
Analysis of the female five year age groups of Greater Perth in 2021 compared to Australian Capital Territory shows that there was a higher proportion of females in the younger age groups (under 15) as well as a higher proportion of females in the older age groups (65+).
Overall, 18.4% of the female population was aged between 0 and 15, and 16.6% were aged 65 years and over, compared with 17.5% and 14.6% respectively for Australian Capital Territory.
The major differences between the female age structure of Greater Perth and Australian Capital Territory were:
- A larger percentage of females aged 65 to 69 (4.9% compared to 4.2%)
- A smaller percentage of females aged 25 to 29 (6.7% compared to 8.5%)
- A smaller percentage of females aged 20 to 24 (6.1% compared to 7.5%)
- A smaller percentage of females aged 30 to 34 (7.7% compared to 8.5%)
Emerging groups
From 1991 to 2021, Greater Perth's female population increased by 460,101 people (76.8%). This represents an average annual population change of 1.92% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+39,562 females)
- 55 to 59 (+39,140 females)
- 60 to 64 (+34,721 females)
- 45 to 49 (+34,687 females)
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