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LEARN MORE ABOUT .idIn 2021, the largest age group in Barwon South West Region was 60 to 64 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 6,833 people.
The Age Structure of Barwon South West Region provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Barwon South West Region'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 Barwon South West Region'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 | |||||||
|---|---|---|---|---|---|---|---|
| Barwon South West Region - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | G21 Region % | Number | % | G21 Region % | 2016 to 2021 |
| 0 to 4 | 24,291 | 5.5 | 5.7 | 23,067 | 5.9 | 6.1 | +1,224 |
| 5 to 9 | 26,439 | 6.0 | 6.2 | 24,132 | 6.2 | 6.3 | +2,307 |
| 10 to 14 | 26,583 | 6.0 | 6.1 | 23,458 | 6.0 | 6.1 | +3,125 |
| 15 to 19 | 24,661 | 5.6 | 5.6 | 23,870 | 6.1 | 6.1 | +791 |
| 20 to 24 | 24,794 | 5.6 | 5.8 | 23,288 | 6.0 | 6.1 | +1,506 |
| 25 to 29 | 27,906 | 6.3 | 6.5 | 22,271 | 5.7 | 5.9 | +5,635 |
| 30 to 34 | 27,997 | 6.4 | 6.6 | 22,703 | 5.8 | 6.1 | +5,294 |
| 35 to 39 | 28,007 | 6.4 | 6.7 | 22,298 | 5.7 | 6.0 | +5,709 |
| 40 to 44 | 25,917 | 5.9 | 6.1 | 24,895 | 6.4 | 6.6 | +1,022 |
| 45 to 49 | 27,455 | 6.2 | 6.4 | 25,628 | 6.6 | 6.6 | +1,827 |
| 50 to 54 | 27,288 | 6.2 | 6.1 | 26,025 | 6.7 | 6.5 | +1,263 |
| 55 to 59 | 27,888 | 6.3 | 6.1 | 26,146 | 6.7 | 6.5 | +1,742 |
| 60 to 64 | 28,466 | 6.5 | 6.2 | 25,220 | 6.5 | 6.3 | +3,246 |
| 65 to 69 | 27,491 | 6.2 | 6.0 | 23,804 | 6.1 | 5.9 | +3,687 |
| 70 to 74 | 24,699 | 5.6 | 5.4 | 17,866 | 4.6 | 4.4 | +6,833 |
| 75 to 79 | 17,088 | 3.9 | 3.7 | 13,308 | 3.4 | 3.2 | +3,780 |
| 80 to 84 | 11,531 | 2.6 | 2.5 | 9,696 | 2.5 | 2.3 | +1,835 |
| 85 and over | 11,550 | 2.6 | 2.4 | 10,707 | 2.8 | 2.6 | +843 |
| Total population | 440,051 | 100.0 | 100.0 | 388,382 | 100.0 | 100.0 | +51,669 |
Dominant groups
Analysis of the five year age groups of Barwon South West Region in 2021 compared to G21 Region shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 17.6% of the population was aged between 0 and 15, and 21.0% were aged 65 years and over, compared with 18.0% and 19.9% respectively for G21 Region.
There were no major differences between Barwon South West Region and G21 Region in 2021.
Emerging groups
From 2016 to 2021, Barwon South West Region's population increased by 51,669 people (13.3%). This represents an average annual population change of 2.53% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+6,833 persons)
- 35 to 39 (+5,709 persons)
- 25 to 29 (+5,635 persons)
- 30 to 34 (+5,294 persons)
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