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LEARN MORE ABOUT .idIn 2021, the largest age group in Outer Eastern region was 30 to 34 year olds. The group that changed the most since 1991 was 55 to 59 year olds, increasing by 295 people.
The Age Structure of Outer Eastern region provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Outer Eastern region'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 Outer Eastern region'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 | |||||||
|---|---|---|---|---|---|---|---|
| Outer Eastern region - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Shire of Mundaring % | Number | % | Shire of Mundaring % | 1991 to 2021 |
| 0 to 4 | 169 | 3.1 | 4.9 | 309 | 9.9 | 8.0 | -141 |
| 5 to 9 | 184 | 3.4 | 5.8 | 323 | 10.4 | 9.3 | -140 |
| 10 to 14 | 260 | 4.8 | 6.5 | 280 | 9.0 | 9.7 | -21 |
| 15 to 19 | 292 | 5.4 | 6.2 | 211 | 6.8 | 8.4 | +80 |
| 20 to 24 | 335 | 6.2 | 5.1 | 194 | 6.3 | 5.9 | +140 |
| 25 to 29 | 411 | 7.6 | 4.8 | 195 | 6.3 | 5.6 | +215 |
| 30 to 34 | 525 | 9.7 | 6.0 | 270 | 8.7 | 7.6 | +254 |
| 35 to 39 | 507 | 9.3 | 6.1 | 289 | 9.3 | 9.0 | +217 |
| 40 to 44 | 441 | 8.1 | 6.4 | 274 | 8.8 | 9.6 | +166 |
| 45 to 49 | 449 | 8.3 | 6.8 | 213 | 6.9 | 7.0 | +235 |
| 50 to 54 | 403 | 7.4 | 7.5 | 156 | 5.0 | 5.0 | +246 |
| 55 to 59 | 407 | 7.5 | 7.4 | 111 | 3.6 | 4.0 | +295 |
| 60 to 64 | 350 | 6.4 | 6.9 | 96 | 3.1 | 3.6 | +253 |
| 65 to 69 | 264 | 4.9 | 5.9 | 80 | 2.6 | 2.6 | +183 |
| 70 to 74 | 211 | 3.9 | 5.5 | 46 | 1.5 | 2.0 | +164 |
| 75 to 79 | 120 | 2.2 | 3.9 | 32 | 1.1 | 1.5 | +87 |
| 80 to 84 | 60 | 1.1 | 2.3 | 15 | 0.5 | 0.9 | +44 |
| 85 and over | 47 | 0.9 | 1.9 | 5 | 0.2 | 0.4 | +41 |
| Total population | 5,435 | 100.0 | 100.0 | 3,113 | 100.0 | 100.0 | +2,321 |
Dominant groups
Analysis of the five year age groups of Outer Eastern region in 2021 compared to the Shire of Mundaring shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 11.3% of the population was aged between 0 and 15, and 12.9% were aged 65 years and over, compared with 17.2% and 19.6% respectively for the Shire of Mundaring.
The major differences between the age structure of Outer Eastern region and the Shire of Mundaring were:
- A larger percentage of persons aged 30 to 34 (9.7% compared to 6.0%)
- A larger percentage of persons aged 35 to 39 (9.3% compared to 6.1%)
- A larger percentage of persons aged 25 to 29 (7.6% compared to 4.8%)
- A smaller percentage of persons aged 5 to 9 (3.4% compared to 5.8%)
Emerging groups
From 1991 to 2021, Outer Eastern region's population increased by 2,322 people (74.6%). This represents an average annual population change of 1.87% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 55 to 59 (+295 persons)
- 30 to 34 (+254 persons)
- 60 to 64 (+253 persons)
- 50 to 54 (+246 persons)
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