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LEARN MORE ABOUT .idIn 2021, the largest age group in Bentleigh was 45 to 49 year olds. The group that changed the most since 1996 was 50 to 54 year olds, increasing by 745 people.
The Age Structure of Bentleigh provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Bentleigh'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 Bentleigh'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 | |||||||
|---|---|---|---|---|---|---|---|
| Bentleigh - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | City of Glen Eira % | Number | % | City of Glen Eira % | 1996 to 2021 |
| 0 to 4 | 894 | 4.9 | 5.2 | 838 | 6.4 | 5.8 | +56 |
| 5 to 9 | 1,125 | 6.2 | 6.0 | 855 | 6.6 | 5.7 | +270 |
| 10 to 14 | 1,183 | 6.5 | 6.3 | 747 | 5.7 | 5.4 | +435 |
| 15 to 19 | 1,131 | 6.2 | 5.6 | 781 | 6.0 | 5.7 | +350 |
| 20 to 24 | 1,076 | 5.9 | 6.3 | 806 | 6.2 | 7.5 | +269 |
| 25 to 29 | 1,108 | 6.1 | 7.5 | 912 | 7.0 | 8.1 | +196 |
| 30 to 34 | 1,175 | 6.5 | 7.5 | 1,010 | 7.7 | 8.3 | +165 |
| 35 to 39 | 1,342 | 7.4 | 7.7 | 1,132 | 8.7 | 8.1 | +209 |
| 40 to 44 | 1,301 | 7.1 | 7.1 | 1,010 | 7.8 | 7.6 | +291 |
| 45 to 49 | 1,374 | 7.6 | 7.0 | 921 | 7.1 | 7.2 | +452 |
| 50 to 54 | 1,366 | 7.5 | 6.7 | 621 | 4.8 | 5.0 | +745 |
| 55 to 59 | 1,156 | 6.4 | 5.7 | 527 | 4.0 | 4.3 | +629 |
| 60 to 64 | 973 | 5.3 | 5.1 | 484 | 3.7 | 3.9 | +488 |
| 65 to 69 | 813 | 4.5 | 4.5 | 581 | 4.5 | 4.5 | +232 |
| 70 to 74 | 682 | 3.7 | 4.1 | 594 | 4.6 | 4.5 | +88 |
| 75 to 79 | 540 | 3.0 | 2.7 | 545 | 4.2 | 3.7 | -5 |
| 80 to 84 | 427 | 2.3 | 2.1 | 393 | 3.0 | 2.7 | +34 |
| 85 and over | 532 | 2.9 | 2.7 | 270 | 2.1 | 2.1 | +261 |
| Total population | 18,198 | 100.0 | 100.0 | 13,034 | 100.0 | 100.0 | +5,163 |
Dominant groups
Analysis of the five year age groups of Bentleigh in 2021 compared to the City of Glen Eira shows that there was a similar proportion of people in the younger age groups (under 15) as well as a similar proportion of people in the older age groups (65+).
Overall, 17.6% of the population was aged between 0 and 15, and 16.5% were aged 65 years and over, compared with 17.6% and 16.2% respectively for the City of Glen Eira.
The major differences between the age structure of Bentleigh and the City of Glen Eira were:
- A larger percentage of persons aged 50 to 54 (7.5% compared to 6.7%)
- A larger percentage of persons aged 55 to 59 (6.4% compared to 5.7%)
- A smaller percentage of persons aged 25 to 29 (6.1% compared to 7.5%)
- A smaller percentage of persons aged 30 to 34 (6.5% compared to 7.5%)
Emerging groups
From 1996 to 2021, Bentleigh's population increased by 5,164 people (39.6%). This represents an average annual population change of 1.34% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 50 to 54 (+745 persons)
- 55 to 59 (+629 persons)
- 60 to 64 (+488 persons)
- 45 to 49 (+452 persons)
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