Powered by .id (informed decisions) for Bass Coast Shire
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LEARN MORE ABOUT .idIn 2021, the largest age group in Bass Coast Mainland was 65 to 69 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 1,416 people.
The Age Structure of Bass Coast Mainland provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Bass Coast Mainland'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 Bass Coast Mainland'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 | |||||||
|---|---|---|---|---|---|---|---|
| Bass Coast Mainland - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Bass Coast Shire % | Number | % | Bass Coast Shire % | 2001 to 2021 |
| 0 to 4 | 1,236 | 4.6 | 4.5 | 993 | 5.7 | 5.6 | +243 |
| 5 to 9 | 1,375 | 5.1 | 5.2 | 1,083 | 6.2 | 6.4 | +292 |
| 10 to 14 | 1,457 | 5.4 | 5.4 | 1,160 | 6.7 | 6.6 | +297 |
| 15 to 19 | 1,247 | 4.6 | 4.5 | 1,054 | 6.1 | 5.6 | +193 |
| 20 to 24 | 996 | 3.7 | 3.5 | 687 | 3.9 | 3.7 | +309 |
| 25 to 29 | 1,127 | 4.2 | 4.1 | 771 | 4.4 | 4.5 | +356 |
| 30 to 34 | 1,299 | 4.8 | 4.7 | 953 | 5.5 | 5.6 | +346 |
| 35 to 39 | 1,431 | 5.3 | 5.3 | 1,098 | 6.3 | 6.3 | +333 |
| 40 to 44 | 1,365 | 5.1 | 5.1 | 1,222 | 7.0 | 6.8 | +143 |
| 45 to 49 | 1,463 | 5.4 | 5.5 | 1,212 | 7.0 | 6.7 | +251 |
| 50 to 54 | 1,708 | 6.3 | 6.3 | 1,195 | 6.9 | 6.8 | +513 |
| 55 to 59 | 1,961 | 7.3 | 7.3 | 1,160 | 6.7 | 6.8 | +801 |
| 60 to 64 | 2,327 | 8.6 | 9.0 | 1,096 | 6.3 | 6.4 | +1,231 |
| 65 to 69 | 2,503 | 9.3 | 9.4 | 1,087 | 6.2 | 6.4 | +1,416 |
| 70 to 74 | 2,204 | 8.2 | 8.2 | 1,135 | 6.5 | 6.5 | +1,069 |
| 75 to 79 | 1,531 | 5.7 | 5.6 | 736 | 4.2 | 4.7 | +795 |
| 80 to 84 | 938 | 3.5 | 3.4 | 472 | 2.7 | 2.8 | +466 |
| 85 and over | 822 | 3.0 | 3.0 | 285 | 1.6 | 1.9 | +537 |
| Total population | 26,990 | 100.0 | 100.0 | 17,399 | 100.0 | 100.0 | +9,591 |
Dominant groups
Analysis of the five year age groups of Bass Coast Mainland in 2021 compared to Bass Coast Shire 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, 15.1% of the population was aged between 0 and 15, and 29.6% were aged 65 years and over, compared with 15.1% and 29.5% respectively for Bass Coast Shire.
There were no major differences between Bass Coast Mainland and Bass Coast Shire in 2021.
Emerging groups
From 2001 to 2021, Bass Coast Mainland's population increased by 9,591 people (55.1%). This represents an average annual population change of 2.22% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 65 to 69 (+1,416 persons)
- 60 to 64 (+1,231 persons)
- 70 to 74 (+1,069 persons)
- 55 to 59 (+801 persons)
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