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LEARN MORE ABOUT .idIn 2021, the largest age group in Twin Rivers was 60 to 64 year olds. The group that changed the most since 2016 was 55 to 59 year olds, decreasing by 40 people.
The Age Structure of Twin Rivers provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Twin Rivers'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 Twin Rivers'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 | |||||||
|---|---|---|---|---|---|---|---|
| Twin Rivers - Total females (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Bairnsdale % | Number | % | Bairnsdale % | 2016 to 2021 |
| 0 to 4 | 69 | 4.8 | 5.1 | 59 | 4.8 | 5.9 | +9 |
| 5 to 9 | 84 | 5.8 | 5.3 | 71 | 5.8 | 5.2 | +12 |
| 10 to 14 | 84 | 5.8 | 5.7 | 66 | 5.3 | 5.7 | +18 |
| 15 to 19 | 78 | 5.4 | 5.1 | 58 | 4.7 | 5.3 | +19 |
| 20 to 24 | 62 | 4.3 | 4.7 | 28 | 2.3 | 5.4 | +33 |
| 25 to 29 | 54 | 3.7 | 5.6 | 47 | 3.8 | 5.3 | +7 |
| 30 to 34 | 79 | 5.4 | 5.6 | 47 | 3.8 | 5.1 | +32 |
| 35 to 39 | 66 | 4.5 | 4.9 | 40 | 3.3 | 4.9 | +25 |
| 40 to 44 | 79 | 5.4 | 5.4 | 72 | 5.9 | 5.1 | +6 |
| 45 to 49 | 87 | 6.0 | 5.6 | 84 | 6.8 | 6.4 | +3 |
| 50 to 54 | 98 | 6.7 | 6.3 | 87 | 7.0 | 7.0 | +11 |
| 55 to 59 | 98 | 6.7 | 6.7 | 137 | 11.1 | 7.0 | -40 |
| 60 to 64 | 137 | 9.4 | 7.2 | 115 | 9.3 | 6.5 | +22 |
| 65 to 69 | 122 | 8.4 | 6.8 | 132 | 10.7 | 7.1 | -10 |
| 70 to 74 | 116 | 8.0 | 6.9 | 84 | 6.8 | 5.5 | +32 |
| 75 to 79 | 74 | 5.1 | 5.4 | 53 | 4.3 | 4.9 | +20 |
| 80 to 84 | 42 | 2.9 | 4.0 | 40 | 3.3 | 3.5 | +1 |
| 85 and over | 23 | 1.6 | 3.9 | 12 | 1.0 | 4.2 | +10 |
| Total population | 1,452 | 100.0 | 100.0 | 1,241 | 100.0 | 100.0 | +211 |
Dominant groups
Analysis of the female five year age groups of Twin Rivers in 2021 compared to Bairnsdale shows that there was a similar proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 16.3% of the female population was aged between 0 and 15, and 26.0% were aged 65 years and over, compared with 16.2% and 26.9% respectively for Bairnsdale.
The major differences between the female age structure of Twin Rivers and Bairnsdale were:
- A larger percentage of females aged 60 to 64 (9.4% compared to 7.2%)
- A larger percentage of females aged 65 to 69 (8.4% compared to 6.8%)
- A smaller percentage of females aged 85 and over (1.6% compared to 3.9%)
- A smaller percentage of females aged 25 to 29 (3.7% compared to 5.6%)
Emerging groups
From 2016 to 2021, Twin Rivers's female population increased by 211 people (17.0%). This represents an average annual population change of 3.19% per year over the period.
There were no major differences in Twin Rivers between 2016 and 2021.
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