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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 2016 was 70 to 74 year olds, increasing by 11,149 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 males (Enumerated) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | South Australia % | Number | % | South Australia % | 2016 to 2021 |
| 0 to 4 | 66,604 | 6.6 | 5.5 | 64,990 | 6.9 | 6.1 | +1,614 |
| 5 to 9 | 69,818 | 6.9 | 6.1 | 65,091 | 6.9 | 6.3 | +4,727 |
| 10 to 14 | 69,702 | 6.9 | 6.2 | 59,895 | 6.4 | 6.0 | +9,807 |
| 15 to 19 | 63,093 | 6.2 | 5.8 | 61,542 | 6.5 | 6.3 | +1,551 |
| 20 to 24 | 65,776 | 6.5 | 6.4 | 67,248 | 7.2 | 6.7 | -1,472 |
| 25 to 29 | 68,427 | 6.8 | 6.8 | 71,773 | 7.6 | 6.5 | -3,346 |
| 30 to 34 | 73,665 | 7.3 | 6.7 | 75,024 | 8.0 | 6.7 | -1,359 |
| 35 to 39 | 76,675 | 7.6 | 6.7 | 65,936 | 7.0 | 6.2 | +10,739 |
| 40 to 44 | 68,014 | 6.7 | 6.1 | 64,028 | 6.8 | 6.4 | +3,986 |
| 45 to 49 | 65,086 | 6.4 | 6.2 | 63,858 | 6.8 | 6.8 | +1,228 |
| 50 to 54 | 63,806 | 6.3 | 6.5 | 59,178 | 6.3 | 6.8 | +4,628 |
| 55 to 59 | 58,624 | 5.8 | 6.4 | 53,124 | 5.7 | 6.6 | +5,500 |
| 60 to 64 | 52,674 | 5.2 | 6.2 | 46,700 | 5.0 | 6.0 | +5,974 |
| 65 to 69 | 46,230 | 4.6 | 5.6 | 41,943 | 4.5 | 5.5 | +4,287 |
| 70 to 74 | 41,221 | 4.1 | 5.1 | 30,072 | 3.2 | 4.1 | +11,149 |
| 75 to 79 | 28,388 | 2.8 | 3.6 | 21,868 | 2.3 | 3.0 | +6,520 |
| 80 to 84 | 18,697 | 1.8 | 2.3 | 14,675 | 1.6 | 2.1 | +4,022 |
| 85 and over | 15,749 | 1.6 | 2.1 | 12,639 | 1.3 | 2.0 | +3,110 |
| Total population | 1,012,249 | 100.0 | 100.0 | 939,584 | 100.0 | 100.0 | +72,665 |
Dominant groups
Analysis of the male five year age groups of Greater Perth in 2021 compared to South Australia shows that there was a higher proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 20.4% of the male population was aged between 0 and 15, and 14.8% were aged 65 years and over, compared with 17.8% and 18.6% respectively for South Australia.
The major differences between the male age structure of Greater Perth and South Australia were:
- A larger percentage of males aged 0 to 4 (6.6% compared to 5.5%)
- A smaller percentage of males aged 60 to 64 (5.2% compared to 6.2%)
- A smaller percentage of males aged 70 to 74 (4.1% compared to 5.1%)
- A smaller percentage of males aged 65 to 69 (4.6% compared to 5.6%)
Emerging groups
From 2016 to 2021, Greater Perth's male population increased by 72,665 people (7.7%). This represents an average annual population change of 1.5% per year over the period.
The largest changes in male age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+11,149 males)
- 35 to 39 (+10,739 males)
- 10 to 14 (+9,807 males)
- 75 to 79 (+6,520 males)
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