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LEARN MORE ABOUT .idThe largest age group in the City of Casey was 0 to 4 year olds for Aboriginal and Torres Strait Islander in 2021
The age structure of Aboriginal and Torres Strait Islander peoples of City of Casey provides insights into the demand for age-based services. Typically Aboriginal and Torres Strait Islander populations around Australia have a younger age structure than the total population, but age structures vary greatly between areas.
5-year age groups provide a consistent view of age structure across all age groups, as the cohorts are of equal size. This allows charts to show a clearer picture of what is happening with the age structure of the whole population, compared to service age groups.
To get a more complete picture, City of Casey's Aboriginal and Torres Strait Islander Age Structure should be viewed in conjunction with Household Types and Highest Level of Schooling information.
Q:
Derived from the Census question:
'What is the person's date of birth (or age last birthday)?'
| Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Aboriginal and Torres Strait Islander peoples - City of Casey | 2021 | 2016 | Change | ||||
| Five year age group (years) | Number | % | Yarra Ranges Council % | Number | % | Yarra Ranges Council % | 2016 to 2021 |
| 0 to 4 | 336 | 14.0 | 10.2 | 179 | 11.0 | 9.1 | +157 |
| 5 to 9 | 257 | 10.7 | 10.4 | 206 | 12.7 | 11.2 | +51 |
| 10 to 14 | 257 | 10.7 | 10.3 | 193 | 11.9 | 12.8 | +64 |
| 15 to 19 | 233 | 9.7 | 9.2 | 165 | 10.2 | 12.5 | +68 |
| 20 to 24 | 222 | 9.2 | 9.6 | 150 | 9.2 | 6.5 | +72 |
| 25 to 29 | 199 | 8.3 | 7.1 | 103 | 6.3 | 7.0 | +96 |
| 30 to 34 | 144 | 6.0 | 6.3 | 101 | 6.2 | 4.9 | +43 |
| 35 to 39 | 139 | 5.8 | 5.0 | 94 | 5.8 | 4.9 | +45 |
| 40 to 44 | 131 | 5.5 | 4.4 | 106 | 6.5 | 5.4 | +25 |
| 45 to 49 | 131 | 5.5 | 6.0 | 83 | 5.1 | 6.0 | +48 |
| 50 to 54 | 109 | 4.5 | 5.7 | 67 | 4.1 | 5.8 | +42 |
| 55 to 59 | 70 | 2.9 | 4.9 | 52 | 3.2 | 4.7 | +18 |
| 60 to 64 | 58 | 2.4 | 4.1 | 40 | 2.5 | 3.4 | +18 |
| 65 to 69 | 43 | 1.8 | 2.8 | 41 | 2.5 | 2.6 | +2 |
| 70 to 74 | 34 | 1.4 | 2.3 | 22 | 1.4 | 1.3 | +12 |
| 75 to 79 | 24 | 1.0 | 1.2 | 5 | 0.3 | 0.7 | +19 |
| 80 to 84 | 7 | 0.3 | 0.2 | 5 | 0.3 | 0.6 | +2 |
| 85 and over | 7 | 0.3 | 0.3 | 12 | 0.7 | 0.5 | -5 |
| Total people | 2,401 | 100.0 | 100.0 | 1,624 | 100.0 | 100.0 | +777 |
Dominant groups
Analysis of the Aboriginal and Torres Strait Islander five age groups in the City of Casey in 2021 compared to Aboriginal and Torres Strait Islander in Yarra Ranges Council shows that there was a higher proportion of people in the younger age groups (0 to 14 years) and a lower proportion of people in the older age group (65+ years).
Overall, 35.4% of the Aboriginal and Torres Strait Islander population in the City of Casey was aged between 0 and 14, and 4.8% were aged 65 years and over, compared with 30.9% and 6.8% respectively for the Aboriginal and Torres Strait Islander in Yarra Ranges Council.
The major differences between the age groups of the Aboriginal and Torres Strait Islander population in the City of Casey and the Aboriginal and Torres Strait Islander in Yarra Ranges Council were:
- A larger percentage of people aged 0 to 4 years (14.0% compared to 10.2%)
- A smaller percentage of people aged 55 to 59 years (2.9% compared to 4.9%)
- A smaller percentage of people aged 60 to 64 years (2.4% compared to 4.1%)
- A smaller percentage of people aged 50 to 54 years (4.5% compared to 5.7%)
Emerging groups
From 2016 to 2021, City of Casey's Aboriginal and Torres Strait Islander population increased by 777 people (47.8%). This represents an average annual population change of 8.13% per year over the period.
The largest changes in age groups of the Aboriginal and Torres Strait Islander population in this area between 2016 and 2021 were in the age groups:
- 0 to 4 (+157 people)
- 25 to 29 (+96 people)
- 20 to 24 (+72 people)
- 15 to 19 (+68 people)
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