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LEARN MORE ABOUT .idIn 2021, the largest age group in Eastern Region Alliance area was 25 to 29 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 1,897 people.
The Age Structure of Eastern Region Alliance area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Eastern Region Alliance area'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 Eastern Region Alliance area'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 | |||||||
|---|---|---|---|---|---|---|---|
| Eastern Region Alliance area - Total males (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | City of Unley % | Number | % | City of Unley % | 2001 to 2021 |
| 0 to 4 | 4,804 | 4.9 | 4.8 | 4,470 | 5.3 | 5.7 | +334 |
| 5 to 9 | 6,019 | 6.1 | 6.1 | 4,880 | 5.8 | 5.5 | +1,139 |
| 10 to 14 | 6,127 | 6.2 | 6.3 | 5,202 | 6.2 | 5.7 | +925 |
| 15 to 19 | 6,156 | 6.2 | 5.6 | 5,666 | 6.8 | 5.8 | +490 |
| 20 to 24 | 6,564 | 6.7 | 6.3 | 6,406 | 7.7 | 8.4 | +158 |
| 25 to 29 | 6,713 | 6.8 | 6.5 | 6,293 | 7.5 | 8.2 | +420 |
| 30 to 34 | 6,335 | 6.4 | 6.2 | 6,237 | 7.5 | 8.2 | +98 |
| 35 to 39 | 6,569 | 6.7 | 6.3 | 6,158 | 7.4 | 7.8 | +411 |
| 40 to 44 | 6,423 | 6.5 | 6.6 | 6,169 | 7.4 | 7.7 | +254 |
| 45 to 49 | 6,454 | 6.5 | 6.7 | 5,846 | 7.0 | 7.9 | +608 |
| 50 to 54 | 6,345 | 6.4 | 6.7 | 5,741 | 6.9 | 7.3 | +604 |
| 55 to 59 | 6,000 | 6.1 | 6.0 | 4,546 | 5.4 | 5.1 | +1,454 |
| 60 to 64 | 5,619 | 5.7 | 5.9 | 3,788 | 4.5 | 3.5 | +1,831 |
| 65 to 69 | 5,111 | 5.2 | 5.6 | 3,214 | 3.8 | 3.0 | +1,897 |
| 70 to 74 | 4,679 | 4.7 | 5.3 | 3,236 | 3.9 | 3.3 | +1,443 |
| 75 to 79 | 3,550 | 3.6 | 3.7 | 2,683 | 3.2 | 2.7 | +867 |
| 80 to 84 | 2,607 | 2.6 | 2.4 | 1,802 | 2.2 | 2.2 | +805 |
| 85 and over | 2,625 | 2.7 | 3.0 | 1,348 | 1.6 | 1.9 | +1,277 |
| Total population | 98,700 | 100.0 | 100.0 | 83,685 | 100.0 | 100.0 | +15,015 |
Dominant groups
Analysis of the male five year age groups of Eastern Region Alliance area in 2021 compared to the City of Unley shows that there was a similar proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 17.2% of the male population was aged between 0 and 15, and 18.8% were aged 65 years and over, compared with 17.2% and 19.9% respectively for the City of Unley.
The major differences between the male age structure of Eastern Region Alliance area and the City of Unley were:
- A larger percentage of males aged 15 to 19 (6.2% compared to 5.6%)
- A smaller percentage of males aged 70 to 74 (4.7% compared to 5.3%)
Emerging groups
From 2001 to 2021, Eastern Region Alliance area's male population increased by 15,015 people (17.9%). This represents an average annual population change of 0.83% per year over the period.
The largest changes in male age structure in this area between 2001 and 2021 were in the age groups:
- 65 to 69 (+1,897 males)
- 60 to 64 (+1,831 males)
- 55 to 59 (+1,454 males)
- 70 to 74 (+1,443 males)
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