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LEARN MORE ABOUT .idIn 2021, the largest age group in Green Valley was 20 to 24 year olds. The group that changed the most since 1991 was 55 to 59 year olds, increasing by 857 people.
The Age Structure of Green Valley provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Green Valley'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 Green Valley'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 | |||||||
|---|---|---|---|---|---|---|---|
| Green Valley - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Moorebank % | Number | % | Moorebank % | 1991 to 2021 |
| 0 to 4 | 777 | 6.0 | 8.0 | 308 | 10.9 | 5.8 | +469 |
| 5 to 9 | 839 | 6.5 | 8.6 | 269 | 9.5 | 6.4 | +570 |
| 10 to 14 | 922 | 7.2 | 7.7 | 220 | 7.8 | 9.0 | +702 |
| 15 to 19 | 962 | 7.5 | 6.2 | 219 | 7.7 | 13.0 | +743 |
| 20 to 24 | 1,022 | 7.9 | 5.1 | 237 | 8.4 | 9.4 | +785 |
| 25 to 29 | 893 | 6.9 | 5.4 | 324 | 11.4 | 5.8 | +569 |
| 30 to 34 | 731 | 5.7 | 7.1 | 296 | 10.4 | 5.7 | +435 |
| 35 to 39 | 772 | 6.0 | 9.0 | 245 | 8.6 | 6.7 | +527 |
| 40 to 44 | 794 | 6.2 | 8.1 | 212 | 7.5 | 10.0 | +582 |
| 45 to 49 | 836 | 6.5 | 7.0 | 145 | 5.1 | 10.6 | +691 |
| 50 to 54 | 887 | 6.9 | 5.9 | 90 | 3.2 | 5.3 | +797 |
| 55 to 59 | 928 | 7.2 | 5.0 | 71 | 2.5 | 3.5 | +857 |
| 60 to 64 | 876 | 6.8 | 4.1 | 75 | 2.7 | 3.0 | +801 |
| 65 to 69 | 675 | 5.2 | 3.7 | 49 | 1.7 | 2.1 | +626 |
| 70 to 74 | 420 | 3.3 | 3.6 | 39 | 1.4 | 1.6 | +381 |
| 75 to 79 | 282 | 2.2 | 3.1 | 17 | 0.6 | 1.2 | +265 |
| 80 to 84 | 153 | 1.2 | 1.5 | 11 | 0.4 | 0.6 | +142 |
| 85 and over | 117 | 0.9 | 1.0 | 6 | 0.2 | 0.2 | +111 |
| Total population | 12,886 | 100.0 | 100.0 | 2,835 | 100.0 | 100.0 | +10,051 |
Dominant groups
Analysis of the five year age groups of Green Valley in 2021 compared to Moorebank shows that there was a lower proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 19.7% of the population was aged between 0 and 15, and 12.8% were aged 65 years and over, compared with 24.3% and 12.9% respectively for Moorebank.
The major differences between the age structure of Green Valley and Moorebank were:
- A larger percentage of persons aged 20 to 24 (7.9% compared to 5.1%)
- A larger percentage of persons aged 60 to 64 (6.8% compared to 4.1%)
- A larger percentage of persons aged 55 to 59 (7.2% compared to 5.0%)
- A smaller percentage of persons aged 35 to 39 (6.0% compared to 9.0%)
Emerging groups
From 1991 to 2021, Green Valley's population increased by 10,051 people (354.5%). This represents an average annual population change of 5.18% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 55 to 59 (+857 persons)
- 60 to 64 (+801 persons)
- 50 to 54 (+797 persons)
- 20 to 24 (+785 persons)
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