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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Armadale was 35 to 39 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 2,506 people.
The Age Structure of the City of Armadale 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 Armadale'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 Armadale'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 Armadale - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Greater Perth % | Number | % | Greater Perth % | 2016 to 2021 |
| 0 to 4 | 7,505 | 8.0 | 6.1 | 6,961 | 8.7 | 6.5 | +544 |
| 5 to 9 | 7,842 | 8.3 | 6.4 | 5,886 | 7.4 | 6.5 | +1,956 |
| 10 to 14 | 6,741 | 7.2 | 6.4 | 4,880 | 6.1 | 6.0 | +1,861 |
| 15 to 19 | 5,404 | 5.7 | 5.8 | 4,691 | 5.9 | 6.2 | +713 |
| 20 to 24 | 5,350 | 5.7 | 6.3 | 5,239 | 6.6 | 6.9 | +111 |
| 25 to 29 | 6,357 | 6.7 | 6.8 | 6,499 | 8.2 | 7.7 | -142 |
| 30 to 34 | 7,785 | 8.3 | 7.6 | 7,227 | 9.1 | 8.0 | +558 |
| 35 to 39 | 8,629 | 9.2 | 7.7 | 6,123 | 7.7 | 7.1 | +2,506 |
| 40 to 44 | 6,894 | 7.3 | 6.8 | 5,196 | 6.5 | 6.9 | +1,698 |
| 45 to 49 | 5,701 | 6.1 | 6.5 | 4,929 | 6.2 | 6.9 | +772 |
| 50 to 54 | 5,340 | 5.7 | 6.4 | 4,769 | 6.0 | 6.4 | +571 |
| 55 to 59 | 4,862 | 5.2 | 5.9 | 4,281 | 5.4 | 5.8 | +581 |
| 60 to 64 | 4,472 | 4.7 | 5.4 | 3,855 | 4.8 | 5.1 | +617 |
| 65 to 69 | 3,791 | 4.0 | 4.8 | 3,374 | 4.2 | 4.6 | +417 |
| 70 to 74 | 3,224 | 3.4 | 4.2 | 2,208 | 2.8 | 3.3 | +1,016 |
| 75 to 79 | 1,975 | 2.1 | 2.9 | 1,589 | 2.0 | 2.5 | +386 |
| 80 to 84 | 1,310 | 1.4 | 2.0 | 980 | 1.2 | 1.7 | +330 |
| 85 and over | 1,006 | 1.1 | 1.9 | 917 | 1.2 | 1.8 | +89 |
| Total population | 94,188 | 100.0 | 100.0 | 79,604 | 100.0 | 100.0 | +14,584 |
Dominant groups
Analysis of the five year age groups of the City of Armadale in 2021 compared to Greater Perth 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, 23.5% of the population was aged between 0 and 15, and 12.0% were aged 65 years and over, compared with 19.0% and 15.8% respectively for Greater Perth.
The major differences between the age structure of the City of Armadale and Greater Perth were:
- A larger percentage of persons aged 5 to 9 (8.3% compared to 6.4%)
- A larger percentage of persons aged 0 to 4 (8.0% compared to 6.1%)
- A larger percentage of persons aged 35 to 39 (9.2% compared to 7.7%)
- A smaller percentage of persons aged 85 and over (1.1% compared to 1.9%)
Emerging groups
From 2016 to 2021, City of Armadale's population increased by 14,584 people (18.3%). This represents an average annual population change of 3.42% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 35 to 39 (+2,506 persons)
- 5 to 9 (+1,956 persons)
- 10 to 14 (+1,861 persons)
- 40 to 44 (+1,698 persons)
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