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LEARN MORE ABOUT .idIn 2021, the largest age group in Wantirna was 35 to 39 year olds. The group that changed the most since 1996 was 15 to 19 year olds, decreasing by 675 people.
The Age Structure of Wantirna provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Wantirna'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 Wantirna'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 | |||||||
|---|---|---|---|---|---|---|---|
| Wantirna - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | City of Knox % | Number | % | City of Knox % | 1996 to 2021 |
| 0 to 4 | 770 | 5.3 | 5.3 | 731 | 5.2 | 8.0 | +39 |
| 5 to 9 | 959 | 6.6 | 5.9 | 1,055 | 7.5 | 8.4 | -96 |
| 10 to 14 | 928 | 6.4 | 5.9 | 1,455 | 10.3 | 8.3 | -527 |
| 15 to 19 | 772 | 5.4 | 5.9 | 1,446 | 10.3 | 7.9 | -675 |
| 20 to 24 | 750 | 5.2 | 6.1 | 1,015 | 7.2 | 7.1 | -265 |
| 25 to 29 | 659 | 4.6 | 6.0 | 716 | 5.1 | 7.4 | -57 |
| 30 to 34 | 872 | 6.0 | 6.7 | 749 | 5.3 | 8.2 | +123 |
| 35 to 39 | 1,060 | 7.3 | 7.2 | 1,075 | 7.6 | 8.7 | -16 |
| 40 to 44 | 1,035 | 7.2 | 6.9 | 1,499 | 10.6 | 8.4 | -464 |
| 45 to 49 | 903 | 6.3 | 6.7 | 1,392 | 9.9 | 7.8 | -490 |
| 50 to 54 | 858 | 5.9 | 6.8 | 874 | 6.2 | 5.6 | -16 |
| 55 to 59 | 816 | 5.7 | 6.7 | 527 | 3.7 | 3.8 | +289 |
| 60 to 64 | 906 | 6.3 | 6.2 | 345 | 2.4 | 2.7 | +561 |
| 65 to 69 | 966 | 6.7 | 5.3 | 317 | 2.2 | 2.3 | +649 |
| 70 to 74 | 848 | 5.9 | 4.6 | 307 | 2.2 | 2.0 | +540 |
| 75 to 79 | 502 | 3.5 | 3.2 | 249 | 1.8 | 1.5 | +253 |
| 80 to 84 | 380 | 2.6 | 2.4 | 186 | 1.3 | 1.1 | +193 |
| 85 and over | 445 | 3.1 | 2.3 | 169 | 1.2 | 0.9 | +276 |
| Total population | 14,429 | 100.0 | 100.0 | 14,113 | 100.0 | 100.0 | +315 |
Dominant groups
Analysis of the five year age groups of Wantirna in 2021 compared to the City of Knox shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).
Overall, 18.4% of the population was aged between 0 and 15, and 21.8% were aged 65 years and over, compared with 17.1% and 17.7% respectively for the City of Knox.
The major differences between the age structure of Wantirna and the City of Knox were:
- A larger percentage of persons aged 65 to 69 (6.7% compared to 5.3%)
- A larger percentage of persons aged 70 to 74 (5.9% compared to 4.6%)
- A smaller percentage of persons aged 25 to 29 (4.6% compared to 6.0%)
- A smaller percentage of persons aged 55 to 59 (5.7% compared to 6.7%)
Emerging groups
From 1996 to 2021, Wantirna's population increased by 316 people (2.2%). This represents an average annual population change of 0.09% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 15 to 19 (-675 persons)
- 65 to 69 (+649 persons)
- 60 to 64 (+561 persons)
- 70 to 74 (+540 persons)
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