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LEARN MORE ABOUT .idIn 2021, the largest age group in Rosebery was 30 to 34 year olds. The group that changed the most since 1991 was 30 to 34 year olds, increasing by 1,675 people.
The Age Structure of Rosebery provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Rosebery'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 Rosebery'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 | |||||||
|---|---|---|---|---|---|---|---|
| Rosebery - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Chinatown and CBD South Village Area % | Number | % | Chinatown and CBD South Village Area % | 1991 to 2021 |
| 0 to 4 | 674 | 6.2 | 2.6 | 129 | 5.1 | 4.3 | +545 |
| 5 to 9 | 318 | 2.9 | 1.6 | 126 | 5.0 | 1.8 | +192 |
| 10 to 14 | 247 | 2.3 | 1.1 | 160 | 6.3 | 3.3 | +87 |
| 15 to 19 | 326 | 3.0 | 2.2 | 188 | 7.4 | 4.6 | +138 |
| 20 to 24 | 1,087 | 10.0 | 13.4 | 272 | 10.8 | 12.1 | +815 |
| 25 to 29 | 1,791 | 16.5 | 21.8 | 218 | 8.6 | 13.8 | +1,573 |
| 30 to 34 | 1,844 | 17.0 | 19.5 | 168 | 6.7 | 13.3 | +1,675 |
| 35 to 39 | 1,255 | 11.6 | 12.6 | 138 | 5.5 | 8.6 | +1,117 |
| 40 to 44 | 740 | 6.8 | 7.5 | 163 | 6.5 | 9.4 | +577 |
| 45 to 49 | 513 | 4.7 | 4.5 | 148 | 5.9 | 7.5 | +365 |
| 50 to 54 | 475 | 4.4 | 3.3 | 184 | 7.3 | 5.2 | +291 |
| 55 to 59 | 389 | 3.6 | 3.0 | 161 | 6.4 | 4.9 | +227 |
| 60 to 64 | 307 | 2.8 | 2.4 | 142 | 5.6 | 3.5 | +164 |
| 65 to 69 | 247 | 2.3 | 1.8 | 120 | 4.8 | 3.4 | +127 |
| 70 to 74 | 224 | 2.1 | 1.3 | 63 | 2.5 | 2.5 | +160 |
| 75 to 79 | 161 | 1.5 | 0.7 | 75 | 3.0 | 0.7 | +86 |
| 80 to 84 | 123 | 1.1 | 0.4 | 46 | 1.8 | 0.8 | +77 |
| 85 and over | 105 | 1.0 | 0.3 | 19 | 0.8 | 0.6 | +86 |
| Total population | 10,826 | 100.0 | 100.0 | 2,526 | 100.0 | 100.0 | +8,300 |
Dominant groups
Analysis of the five year age groups of Rosebery in 2021 compared to Chinatown and CBD South Village Area shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).
Overall, 11.4% of the population was aged between 0 and 15, and 7.9% were aged 65 years and over, compared with 5.3% and 4.5% respectively for Chinatown and CBD South Village Area.
The major differences between the age structure of Rosebery and Chinatown and CBD South Village Area were:
- A larger percentage of persons aged 0 to 4 (6.2% compared to 2.6%)
- A smaller percentage of persons aged 25 to 29 (16.5% compared to 21.8%)
- A smaller percentage of persons aged 20 to 24 (10.0% compared to 13.4%)
- A smaller percentage of persons aged 30 to 34 (17.0% compared to 19.5%)
Emerging groups
From 1991 to 2021, Rosebery's population increased by 8,300 people (328.6%). This represents an average annual population change of 4.97% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 30 to 34 (+1,675 persons)
- 25 to 29 (+1,573 persons)
- 35 to 39 (+1,117 persons)
- 20 to 24 (+815 persons)
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