Bass Coast Shire
Five year age groups
In 2021, the largest age group in Bass Coast Shire was 65 to 69 year olds. The group that changed the most since 1996 was 60 to 64 year olds, increasing by 2,334 people.
The Age Structure of Bass Coast Shire 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 Shire'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 Shire's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Derived from the Census question:
'What is the person's date of birth or age?'
Total population
| Age structure - Five year age groups | ||||||||
|---|---|---|---|---|---|---|---|---|
| Bass Coast Shire - Total persons (Enumerated) | 2021 | 1996 | Change | |||||
| Five year age groups (years) | Number | % | North Wonthaggi % | Number | % | North Wonthaggi % | 1996 to 2021 | |
| 0 to 4 | 1,844 | 4.6 | 5.4 | 1,272 | 6.3 | 9.2 | +572 | 2001 |
| 5 to 9 | 2,137 | 5.3 | 6.0 | 1,510 | 7.5 | 9.7 | +627 | 2002 |
| 10 to 14 | 2,235 | 5.5 | 6.5 | 1,486 | 7.4 | 9.4 | +749 | 2003 |
| 15 to 19 | 1,894 | 4.7 | 6.3 | 983 | 4.9 | 6.3 | +911 | 2004 |
| 20 to 24 | 1,472 | 3.6 | 6.1 | 859 | 4.3 | 4.7 | +613 | 2005 |
| 25 to 29 | 1,678 | 4.2 | 5.9 | 1,051 | 5.2 | 7.7 | +627 | 2006 |
| 30 to 34 | 1,951 | 4.8 | 6.2 | 1,185 | 5.9 | 8.7 | +766 | 2007 |
| 35 to 39 | 2,193 | 5.4 | 5.9 | 1,446 | 7.2 | 7.9 | +747 | 2008 |
| 40 to 44 | 2,077 | 5.1 | 5.0 | 1,336 | 6.7 | 7.1 | +741 | 2009 |
| 45 to 49 | 2,290 | 5.7 | 5.2 | 1,265 | 6.3 | 4.8 | +1,025 | 2010 |
| 50 to 54 | 2,569 | 6.4 | 6.0 | 1,148 | 5.7 | 5.4 | +1,421 | 2011 |
| 55 to 59 | 2,962 | 7.3 | 5.7 | 1,133 | 5.6 | 5.5 | +1,829 | 2012 |
| 60 to 64 | 3,537 | 8.8 | 6.9 | 1,203 | 6.0 | 4.5 | +2,334 | 2013 |
| 65 to 69 | 3,655 | 9.1 | 6.3 | 1,384 | 6.9 | 3.4 | +2,271 | 2014 |
| 70 to 74 | 3,160 | 7.8 | 6.6 | 1,198 | 6.0 | 3.1 | +1,962 | 2015 |
| 75 to 79 | 2,183 | 5.4 | 4.6 | 837 | 4.2 | 1.6 | +1,346 | 2016 |
| 80 to 84 | 1,321 | 3.3 | 3.2 | 473 | 2.4 | 0.9 | +848 | 2017 |
| 85 and over | 1,210 | 3.0 | 2.0 | 293 | 1.5 | -- | +917 | 2018 |
| Total population | 40,368 | 100.0 | 100.0 | 20,062 | 100.0 | 100.0 | +20,306 | |
Source: Australian Bureau of Statistics, Census of Population and Housing (opens a new window) 1996 and 2021. Compiled and presented by .id (opens a new window)(informed decisions).
(Enumerated data)
Compiled and presented in profile.id by .id (informed decisions).
Compiled and presented in profile.id by .id (informed decisions).
Dominant groups
Analysis of the five year age groups of Bass Coast Shire in 2021 compared to North Wonthaggi shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 15.4% of the population was aged between 0 and 15, and 28.6% were aged 65 years and over, compared with 18.0% and 22.7% respectively for North Wonthaggi.
The major differences between the age structure of Bass Coast Shire and North Wonthaggi were:
- A larger percentage of persons aged 65 to 69 (9.1% compared to 6.3%)
- A larger percentage of persons aged 60 to 64 (8.8% compared to 6.9%)
- A smaller percentage of persons aged 20 to 24 (3.6% compared to 6.1%)
- A smaller percentage of persons aged 25 to 29 (4.2% compared to 5.9%)
Emerging groups
From 1996 to 2021, Bass Coast Shire's population increased by 20,306 people (101.2%). This represents an average annual population change of 2.84% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 60 to 64 (+2,334 persons)
- 65 to 69 (+2,271 persons)
- 70 to 74 (+1,962 persons)
- 55 to 59 (+1,829 persons)