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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Wanneroo was 5 to 9 year olds. The group that changed the most since 1996 was 35 to 39 year olds, increasing by 10,799 people.
The Age Structure of the City of Wanneroo provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the City of Wanneroo '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 the City of Wanneroo '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 | |||||||
|---|---|---|---|---|---|---|---|
| City of Wanneroo - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | City of Cockburn % | Number | % | City of Cockburn % | 1996 to 2021 |
| 0 to 4 | 14,691 | 7.2 | 6.8 | 5,968 | 9.7 | 8.2 | +8,723 |
| 5 to 9 | 15,883 | 7.8 | 6.7 | 5,629 | 9.1 | 8.3 | +10,254 |
| 10 to 14 | 15,385 | 7.6 | 6.4 | 5,239 | 8.5 | 8.0 | +10,146 |
| 15 to 19 | 13,808 | 6.8 | 5.6 | 4,518 | 7.3 | 7.5 | +9,290 |
| 20 to 24 | 13,061 | 6.4 | 6.4 | 4,442 | 7.2 | 7.6 | +8,619 |
| 25 to 29 | 13,120 | 6.4 | 6.9 | 5,349 | 8.7 | 8.2 | +7,771 |
| 30 to 34 | 14,888 | 7.3 | 8.1 | 5,464 | 8.9 | 8.8 | +9,424 |
| 35 to 39 | 15,856 | 7.8 | 8.2 | 5,057 | 8.2 | 8.4 | +10,799 |
| 40 to 44 | 14,036 | 6.9 | 7.3 | 4,432 | 7.2 | 7.6 | +9,604 |
| 45 to 49 | 13,959 | 6.9 | 6.8 | 4,244 | 6.9 | 6.8 | +9,715 |
| 50 to 54 | 13,461 | 6.6 | 6.4 | 2,989 | 4.8 | 5.2 | +10,472 |
| 55 to 59 | 11,432 | 5.6 | 5.7 | 2,477 | 4.0 | 4.2 | +8,955 |
| 60 to 64 | 9,336 | 4.6 | 5.1 | 1,822 | 3.0 | 3.5 | +7,514 |
| 65 to 69 | 7,670 | 3.8 | 4.3 | 1,515 | 2.5 | 3.0 | +6,155 |
| 70 to 74 | 6,653 | 3.3 | 3.6 | 1,113 | 1.8 | 2.2 | +5,540 |
| 75 to 79 | 4,526 | 2.2 | 2.4 | 687 | 1.1 | 1.3 | +3,839 |
| 80 to 84 | 3,077 | 1.5 | 1.7 | 461 | 0.7 | 0.9 | +2,616 |
| 85 and over | 2,576 | 1.3 | 1.6 | 315 | 0.5 | 0.5 | +2,261 |
| Total population | 203,418 | 100.0 | 100.0 | 61,721 | 100.0 | 100.0 | +141,697 |
Dominant groups
Analysis of the five year age groups of the City of Wanneroo in 2021 compared to the City of Cockburn 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, 22.6% of the population was aged between 0 and 15, and 12.0% were aged 65 years and over, compared with 19.9% and 13.6% respectively for the City of Cockburn .
The major differences between the age structure of the City of Wanneroo and the City of Cockburn were:
- A larger percentage of persons aged 10 to 14 (7.6% compared to 6.4%)
- A larger percentage of persons aged 15 to 19 (6.8% compared to 5.6%)
- A larger percentage of persons aged 5 to 9 (7.8% compared to 6.7%)
- A smaller percentage of persons aged 30 to 34 (7.3% compared to 8.1%)
Emerging groups
From 1996 to 2021, City of Wanneroo 's population increased by 141,697 people (229.6%). This represents an average annual population change of 4.89% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 35 to 39 (+10,799 persons)
- 50 to 54 (+10,472 persons)
- 5 to 9 (+10,254 persons)
- 10 to 14 (+10,146 persons)
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