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LEARN MORE ABOUT .idIn 2021, the largest age group in Austral was 30 to 34 year olds. The group that changed the most since 2011 was 30 to 34 year olds, increasing by 628 people.
The Age Structure of Austral provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Austral'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 Austral'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 | |||||||
|---|---|---|---|---|---|---|---|
| Austral - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Green Valley % | Number | % | Green Valley % | 2011 to 2021 |
| 0 to 4 | 747 | 10.9 | 5.9 | 159 | 5.3 | 6.9 | +588 |
| 5 to 9 | 538 | 7.9 | 6.4 | 186 | 6.2 | 8.0 | +352 |
| 10 to 14 | 454 | 6.6 | 7.1 | 229 | 7.6 | 8.3 | +225 |
| 15 to 19 | 342 | 5.0 | 7.5 | 270 | 8.9 | 8.9 | +72 |
| 20 to 24 | 384 | 5.6 | 8.0 | 176 | 5.8 | 7.8 | +208 |
| 25 to 29 | 675 | 9.9 | 6.9 | 115 | 3.8 | 6.9 | +560 |
| 30 to 34 | 807 | 11.8 | 5.7 | 179 | 5.9 | 6.9 | +628 |
| 35 to 39 | 751 | 11.0 | 5.9 | 167 | 5.5 | 7.1 | +584 |
| 40 to 44 | 421 | 6.2 | 6.1 | 220 | 7.3 | 7.4 | +201 |
| 45 to 49 | 318 | 4.7 | 6.5 | 231 | 7.6 | 8.2 | +87 |
| 50 to 54 | 273 | 4.0 | 6.9 | 170 | 5.6 | 7.3 | +103 |
| 55 to 59 | 261 | 3.8 | 7.2 | 182 | 6.0 | 5.6 | +79 |
| 60 to 64 | 194 | 2.8 | 6.9 | 149 | 4.9 | 3.9 | +45 |
| 65 to 69 | 170 | 2.5 | 5.2 | 120 | 4.0 | 2.7 | +50 |
| 70 to 74 | 153 | 2.2 | 3.3 | 129 | 4.3 | 1.6 | +24 |
| 75 to 79 | 115 | 1.7 | 2.3 | 81 | 2.7 | 1.1 | +34 |
| 80 to 84 | 87 | 1.3 | 1.2 | 118 | 3.9 | 0.8 | -31 |
| 85 and over | 140 | 2.0 | 0.9 | 143 | 4.7 | 0.5 | -3 |
| Total population | 6,830 | 100.0 | 100.0 | 3,024 | 100.0 | 100.0 | +3,806 |
Dominant groups
Analysis of the five year age groups of Austral in 2021 compared to Green Valley shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 25.5% of the population was aged between 0 and 15, and 9.7% were aged 65 years and over, compared with 19.5% and 12.9% respectively for Green Valley.
The major differences between the age structure of Austral and Green Valley were:
- A larger percentage of persons aged 30 to 34 (11.8% compared to 5.7%)
- A larger percentage of persons aged 35 to 39 (11.0% compared to 5.9%)
- A larger percentage of persons aged 0 to 4 (10.9% compared to 5.9%)
- A smaller percentage of persons aged 60 to 64 (2.8% compared to 6.9%)
Emerging groups
From 2011 to 2021, Austral's population increased by 3,806 people (125.9%). This represents an average annual population change of 8.49% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 30 to 34 (+628 persons)
- 0 to 4 (+588 persons)
- 35 to 39 (+584 persons)
- 25 to 29 (+560 persons)
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