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LEARN MORE ABOUT .idIn 2021, the largest age group in North Wonthaggi was 60 to 64 year olds. The group that changed the most since 2006 was 70 to 74 year olds, increasing by 137 people.
The Age Structure of North Wonthaggi provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of North Wonthaggi'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 North Wonthaggi'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 | |||||||
|---|---|---|---|---|---|---|---|
| North Wonthaggi - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Phillip Island % | Number | % | Phillip Island % | 2006 to 2021 |
| 0 to 4 | 185 | 5.3 | 4.4 | 165 | 7.0 | 5.5 | +20 |
| 5 to 9 | 208 | 6.0 | 5.4 | 189 | 8.0 | 5.5 | +19 |
| 10 to 14 | 220 | 6.3 | 5.4 | 196 | 8.4 | 6.4 | +23 |
| 15 to 19 | 211 | 6.1 | 4.3 | 177 | 7.5 | 5.3 | +34 |
| 20 to 24 | 201 | 5.8 | 3.1 | 90 | 3.8 | 3.4 | +111 |
| 25 to 29 | 204 | 5.9 | 3.9 | 124 | 5.3 | 4.2 | +80 |
| 30 to 34 | 212 | 6.1 | 4.5 | 122 | 5.2 | 5.2 | +90 |
| 35 to 39 | 201 | 5.8 | 5.4 | 178 | 7.6 | 5.9 | +23 |
| 40 to 44 | 176 | 5.1 | 5.1 | 160 | 6.8 | 6.9 | +15 |
| 45 to 49 | 182 | 5.2 | 5.8 | 143 | 6.1 | 6.8 | +39 |
| 50 to 54 | 207 | 6.0 | 6.1 | 162 | 6.9 | 7.3 | +44 |
| 55 to 59 | 195 | 5.6 | 7.5 | 130 | 5.5 | 7.2 | +64 |
| 60 to 64 | 245 | 7.1 | 9.8 | 123 | 5.3 | 7.7 | +121 |
| 65 to 69 | 242 | 7.0 | 9.6 | 130 | 5.6 | 6.5 | +111 |
| 70 to 74 | 241 | 6.9 | 8.3 | 103 | 4.4 | 5.8 | +137 |
| 75 to 79 | 161 | 4.6 | 5.4 | 79 | 3.4 | 4.4 | +82 |
| 80 to 84 | 112 | 3.2 | 3.1 | 52 | 2.2 | 3.3 | +60 |
| 85 and over | 68 | 2.0 | 2.9 | 22 | 1.0 | 2.5 | +45 |
| Total population | 3,471 | 100.0 | 100.0 | 2,352 | 100.0 | 100.0 | +1,118 |
Dominant groups
Analysis of the five year age groups of North Wonthaggi in 2021 compared to Phillip Island shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 17.7% of the population was aged between 0 and 15, and 23.7% were aged 65 years and over, compared with 15.2% and 29.3% respectively for Phillip Island.
The major differences between the age structure of North Wonthaggi and Phillip Island were:
- A larger percentage of persons aged 20 to 24 (5.8% compared to 3.1%)
- A larger percentage of persons aged 25 to 29 (5.9% compared to 3.9%)
- A smaller percentage of persons aged 60 to 64 (7.1% compared to 9.8%)
- A smaller percentage of persons aged 65 to 69 (7.0% compared to 9.6%)
Emerging groups
From 2006 to 2021, North Wonthaggi's population increased by 1,119 people (47.6%). This represents an average annual population change of 2.63% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 70 to 74 (+137 persons)
- 60 to 64 (+121 persons)
- 65 to 69 (+111 persons)
- 20 to 24 (+111 persons)
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