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LEARN MORE ABOUT .idIn 2021, the largest age group in Waterline (Westernport Townships) was 65 to 69 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 232 people.
The Age Structure of Waterline (Westernport Townships) provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Waterline (Westernport Townships)'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 Waterline (Westernport Townships)'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 | |||||||
|---|---|---|---|---|---|---|---|
| Waterline (Westernport Townships) - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Bass Coast Shire % | Number | % | Bass Coast Shire % | 2011 to 2021 |
| 0 to 4 | 255 | 5.0 | 4.6 | 186 | 5.4 | 6.1 | +68 |
| 5 to 9 | 249 | 4.9 | 5.3 | 177 | 5.1 | 5.6 | +72 |
| 10 to 14 | 238 | 4.7 | 5.5 | 203 | 5.9 | 5.6 | +34 |
| 15 to 19 | 208 | 4.1 | 4.7 | 161 | 4.6 | 5.2 | +47 |
| 20 to 24 | 187 | 3.7 | 3.6 | 123 | 3.6 | 4.2 | +63 |
| 25 to 29 | 232 | 4.6 | 4.2 | 124 | 3.6 | 5.0 | +108 |
| 30 to 34 | 249 | 4.9 | 4.8 | 159 | 4.6 | 5.2 | +90 |
| 35 to 39 | 281 | 5.5 | 5.4 | 202 | 5.8 | 6.3 | +79 |
| 40 to 44 | 254 | 5.0 | 5.1 | 238 | 6.9 | 6.6 | +16 |
| 45 to 49 | 283 | 5.6 | 5.7 | 263 | 7.6 | 6.6 | +20 |
| 50 to 54 | 362 | 7.1 | 6.4 | 221 | 6.4 | 7.1 | +141 |
| 55 to 59 | 467 | 9.2 | 7.3 | 303 | 8.7 | 7.1 | +163 |
| 60 to 64 | 409 | 8.1 | 8.8 | 369 | 10.6 | 7.6 | +40 |
| 65 to 69 | 511 | 10.1 | 9.1 | 302 | 8.7 | 6.9 | +209 |
| 70 to 74 | 413 | 8.1 | 7.8 | 180 | 5.2 | 5.0 | +232 |
| 75 to 79 | 272 | 5.4 | 5.4 | 136 | 3.9 | 4.0 | +136 |
| 80 to 84 | 126 | 2.5 | 3.3 | 69 | 2.0 | 3.3 | +56 |
| 85 and over | 79 | 1.6 | 3.0 | 48 | 1.4 | 2.8 | +31 |
| Total population | 5,075 | 100.0 | 100.0 | 3,471 | 100.0 | 100.0 | +1,603 |
Dominant groups
Analysis of the five year age groups of Waterline (Westernport Townships) in 2021 compared to Bass Coast Shire shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 14.6% of the population was aged between 0 and 15, and 27.6% were aged 65 years and over, compared with 15.4% and 28.6% respectively for Bass Coast Shire.
The major differences between the age structure of Waterline (Westernport Townships) and Bass Coast Shire were:
- A larger percentage of persons aged 55 to 59 (9.2% compared to 7.3%)
- A larger percentage of persons aged 65 to 69 (10.1% compared to 9.1%)
- A smaller percentage of persons aged 85 and over (1.6% compared to 3.0%)
- A smaller percentage of persons aged 10 to 14 (4.7% compared to 5.5%)
Emerging groups
From 2011 to 2021, Waterline (Westernport Townships)'s population increased by 1,604 people (46.2%). This represents an average annual population change of 3.87% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+232 persons)
- 65 to 69 (+209 persons)
- 55 to 59 (+163 persons)
- 50 to 54 (+141 persons)
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