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LEARN MORE ABOUT .idIn 2021, the largest age group in South Yarra was 25 to 29 year olds. The group that changed the most since 1991 was 25 to 29 year olds, increasing by 2,165 people.
The Age Structure of South Yarra provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of South Yarra'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 South Yarra'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 | |||||||
|---|---|---|---|---|---|---|---|
| South Yarra - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | South Ward % | Number | % | South Ward % | 1991 to 2021 |
| 0 to 4 | 567 | 2.7 | 3.9 | 445 | 3.5 | 4.4 | +122 |
| 5 to 9 | 454 | 2.2 | 3.0 | 338 | 2.7 | 3.4 | +116 |
| 10 to 14 | 374 | 1.8 | 3.0 | 385 | 3.1 | 3.6 | -11 |
| 15 to 19 | 542 | 2.6 | 3.1 | 806 | 6.4 | 6.3 | -264 |
| 20 to 24 | 1,956 | 9.4 | 7.5 | 1,868 | 14.9 | 13.1 | +88 |
| 25 to 29 | 4,025 | 19.3 | 13.9 | 1,860 | 14.8 | 13.0 | +2,165 |
| 30 to 34 | 3,513 | 16.8 | 12.9 | 1,356 | 10.8 | 10.0 | +2,157 |
| 35 to 39 | 2,215 | 10.6 | 9.7 | 1,009 | 8.0 | 7.2 | +1,206 |
| 40 to 44 | 1,323 | 6.3 | 6.3 | 845 | 6.7 | 6.7 | +478 |
| 45 to 49 | 987 | 4.7 | 5.9 | 714 | 5.7 | 5.4 | +273 |
| 50 to 54 | 990 | 4.7 | 5.6 | 562 | 4.5 | 4.7 | +428 |
| 55 to 59 | 896 | 4.3 | 4.8 | 491 | 3.9 | 4.3 | +405 |
| 60 to 64 | 751 | 3.6 | 4.3 | 508 | 4.1 | 4.0 | +243 |
| 65 to 69 | 663 | 3.2 | 3.9 | 422 | 3.4 | 3.5 | +241 |
| 70 to 74 | 595 | 2.9 | 3.7 | 360 | 2.9 | 3.1 | +235 |
| 75 to 79 | 395 | 1.9 | 3.3 | 287 | 2.3 | 3.2 | +108 |
| 80 to 84 | 324 | 1.6 | 2.7 | 179 | 1.4 | 2.2 | +145 |
| 85 and over | 286 | 1.4 | 2.6 | 104 | 0.8 | 1.7 | +182 |
| Total population | 20,856 | 100.0 | 100.0 | 12,539 | 100.0 | 100.0 | +8,317 |
Dominant groups
Analysis of the five year age groups of South Yarra in 2021 compared to South Ward shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 6.7% of the population was aged between 0 and 15, and 10.9% were aged 65 years and over, compared with 9.9% and 16.1% respectively for South Ward.
The major differences between the age structure of South Yarra and South Ward were:
- A larger percentage of persons aged 25 to 29 (19.3% compared to 13.9%)
- A larger percentage of persons aged 30 to 34 (16.8% compared to 12.9%)
- A larger percentage of persons aged 20 to 24 (9.4% compared to 7.5%)
- A smaller percentage of persons aged 75 to 79 (1.9% compared to 3.3%)
Emerging groups
From 1991 to 2021, South Yarra's population increased by 8,317 people (66.3%). This represents an average annual population change of 1.71% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 25 to 29 (+2,165 persons)
- 30 to 34 (+2,157 persons)
- 35 to 39 (+1,206 persons)
- 40 to 44 (+478 persons)
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