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LEARN MORE ABOUT .idIn 2021, the largest age group in Green Square was 25 to 29 year olds. The group that changed the most since 2001 was 25 to 29 year olds, increasing by 6,823 people.
The Age Structure of Green Square 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 Square'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 Square'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 Square - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Sydney % | Number | % | Sydney % | 2001 to 2021 |
| 0 to 4 | 1,727 | 5.1 | 2.5 | 126 | 5.3 | 2.9 | +1,601 |
| 5 to 9 | 789 | 2.3 | 1.6 | 116 | 4.9 | 2.6 | +672 |
| 10 to 14 | 457 | 1.4 | 1.3 | 83 | 3.5 | 3.0 | +374 |
| 15 to 19 | 660 | 2.0 | 1.8 | 106 | 4.5 | 6.1 | +554 |
| 20 to 24 | 4,149 | 12.3 | 10.2 | 231 | 9.7 | 12.5 | +3,917 |
| 25 to 29 | 7,159 | 21.2 | 19.7 | 336 | 14.1 | 12.4 | +6,823 |
| 30 to 34 | 7,046 | 20.9 | 18.1 | 333 | 13.9 | 10.6 | +6,713 |
| 35 to 39 | 4,373 | 12.9 | 12.7 | 247 | 10.3 | 9.5 | +4,126 |
| 40 to 44 | 2,323 | 6.9 | 8.2 | 199 | 8.3 | 7.9 | +2,123 |
| 45 to 49 | 1,372 | 4.1 | 5.5 | 151 | 6.3 | 7.6 | +1,221 |
| 50 to 54 | 1,079 | 3.2 | 4.6 | 132 | 5.5 | 7.3 | +947 |
| 55 to 59 | 847 | 2.5 | 4.0 | 90 | 3.8 | 5.6 | +756 |
| 60 to 64 | 674 | 2.0 | 3.0 | 72 | 3.0 | 3.8 | +602 |
| 65 to 69 | 483 | 1.4 | 2.4 | 54 | 2.3 | 2.8 | +428 |
| 70 to 74 | 328 | 1.0 | 1.7 | 50 | 2.1 | 2.5 | +277 |
| 75 to 79 | 160 | 0.5 | 1.3 | 34 | 1.4 | 1.6 | +126 |
| 80 to 84 | 92 | 0.3 | 0.7 | 16 | 0.7 | 0.7 | +76 |
| 85 and over | 55 | 0.2 | 0.6 | 9 | 0.4 | 0.5 | +45 |
| Total population | 33,773 | 100.0 | 100.0 | 2,392 | 100.0 | 100.0 | +31,380 |
Dominant groups
Analysis of the five year age groups of Green Square in 2021 compared to Sydney 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, 8.8% of the population was aged between 0 and 15, and 3.3% were aged 65 years and over, compared with 5.4% and 6.7% respectively for Sydney.
The major differences between the age structure of Green Square and Sydney were:
- A larger percentage of persons aged 30 to 34 (20.9% compared to 18.1%)
- A larger percentage of persons aged 0 to 4 (5.1% compared to 2.5%)
- A larger percentage of persons aged 20 to 24 (12.3% compared to 10.2%)
- A larger percentage of persons aged 25 to 29 (21.2% compared to 19.7%)
Emerging groups
From 2001 to 2021, Green Square's population increased by 31,381 people (1311.9%). This represents an average annual population change of 14.15% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 25 to 29 (+6,823 persons)
- 30 to 34 (+6,713 persons)
- 35 to 39 (+4,126 persons)
- 20 to 24 (+3,917 persons)
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