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LEARN MORE ABOUT .idIn 2021, the largest age group in Regional WA was 50 to 54 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 19,584 people.
The Age Structure of Regional WA provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Regional WA'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 Regional WA'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 | |||||||
|---|---|---|---|---|---|---|---|
| Regional WA - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Greater Capital Cities % | Number | % | Greater Capital Cities % | 2001 to 2021 |
| 0 to 4 | 31,859 | 6.0 | 5.9 | 33,418 | 8.0 | 6.5 | -1,559 |
| 5 to 9 | 35,974 | 6.7 | 6.3 | 35,558 | 8.5 | 6.8 | +416 |
| 10 to 14 | 35,939 | 6.7 | 6.2 | 35,178 | 8.4 | 6.8 | +761 |
| 15 to 19 | 29,670 | 5.5 | 5.7 | 27,661 | 6.6 | 7.1 | +2,009 |
| 20 to 24 | 25,595 | 4.8 | 6.6 | 23,872 | 5.7 | 7.1 | +1,723 |
| 25 to 29 | 31,391 | 5.9 | 7.5 | 29,247 | 7.0 | 7.5 | +2,144 |
| 30 to 34 | 35,428 | 6.6 | 7.9 | 33,041 | 7.9 | 7.9 | +2,387 |
| 35 to 39 | 36,610 | 6.8 | 7.8 | 34,541 | 8.3 | 7.8 | +2,069 |
| 40 to 44 | 34,251 | 6.4 | 6.8 | 33,759 | 8.1 | 7.7 | +492 |
| 45 to 49 | 35,382 | 6.6 | 6.5 | 30,061 | 7.2 | 7.0 | +5,321 |
| 50 to 54 | 36,883 | 6.9 | 6.3 | 26,377 | 6.3 | 6.6 | +10,506 |
| 55 to 59 | 36,478 | 6.8 | 5.8 | 19,738 | 4.7 | 5.0 | +16,740 |
| 60 to 64 | 35,576 | 6.7 | 5.3 | 15,992 | 3.8 | 4.0 | +19,584 |
| 65 to 69 | 30,573 | 5.7 | 4.6 | 12,496 | 3.0 | 3.3 | +18,077 |
| 70 to 74 | 26,084 | 4.9 | 4.0 | 10,829 | 2.6 | 3.1 | +15,255 |
| 75 to 79 | 17,039 | 3.2 | 2.9 | 7,840 | 1.9 | 2.6 | +9,199 |
| 80 to 84 | 10,826 | 2.0 | 2.0 | 4,479 | 1.1 | 1.7 | +6,347 |
| 85 and over | 9,237 | 1.7 | 2.0 | 4,084 | 1.0 | 1.4 | +5,153 |
| Total population | 534,795 | 100.0 | 100.0 | 418,171 | 100.0 | 100.0 | +116,624 |
Dominant groups
Analysis of the five year age groups of Regional WA in 2021 compared to Greater Capital Cities 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, 19.4% of the population was aged between 0 and 15, and 17.5% were aged 65 years and over, compared with 18.4% and 15.5% respectively for Greater Capital Cities.
The major differences between the age structure of Regional WA and Greater Capital Cities were:
- A larger percentage of persons aged 60 to 64 (6.7% compared to 5.3%)
- A smaller percentage of persons aged 20 to 24 (4.8% compared to 6.6%)
- A smaller percentage of persons aged 25 to 29 (5.9% compared to 7.5%)
- A smaller percentage of persons aged 30 to 34 (6.6% compared to 7.9%)
Emerging groups
From 2001 to 2021, Regional WA's population increased by 116,624 people (27.9%). This represents an average annual population change of 1.24% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 60 to 64 (+19,584 persons)
- 65 to 69 (+18,077 persons)
- 55 to 59 (+16,740 persons)
- 70 to 74 (+15,255 persons)
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