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LEARN MORE ABOUT .idIn 2021, the largest age group in Yanchep was 5 to 9 year olds. The group that changed the most since 2001 was 5 to 9 year olds, increasing by 813 people.
The Age Structure of Yanchep provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Yanchep'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 Yanchep'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 | |||||||
|---|---|---|---|---|---|---|---|
| Yanchep - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Neerabup - Pinjar - Nowergup - Carabooda % | Number | % | Neerabup - Pinjar - Nowergup - Carabooda % | 2001 to 2021 |
| 0 to 4 | 885 | 8.4 | 3.3 | 105 | 5.4 | 5.5 | +779 |
| 5 to 9 | 979 | 9.3 | 6.9 | 166 | 8.4 | 8.8 | +813 |
| 10 to 14 | 883 | 8.4 | 7.6 | 167 | 8.5 | 9.0 | +716 |
| 15 to 19 | 653 | 6.2 | 7.8 | 124 | 6.3 | 9.3 | +529 |
| 20 to 24 | 487 | 4.6 | 5.5 | 81 | 4.1 | 5.4 | +406 |
| 25 to 29 | 627 | 5.9 | 4.4 | 66 | 3.4 | 9.0 | +560 |
| 30 to 34 | 760 | 7.2 | 5.5 | 136 | 6.9 | 7.0 | +623 |
| 35 to 39 | 789 | 7.5 | 3.9 | 165 | 8.4 | 6.7 | +623 |
| 40 to 44 | 685 | 6.5 | 6.0 | 151 | 7.7 | 8.2 | +534 |
| 45 to 49 | 664 | 6.3 | 10.3 | 126 | 6.4 | 8.4 | +538 |
| 50 to 54 | 660 | 6.3 | 8.1 | 126 | 6.4 | 7.6 | +534 |
| 55 to 59 | 572 | 5.4 | 9.9 | 111 | 5.6 | 3.8 | +461 |
| 60 to 64 | 477 | 4.5 | 7.4 | 132 | 6.7 | 4.1 | +344 |
| 65 to 69 | 431 | 4.1 | 5.4 | 127 | 6.4 | 3.0 | +304 |
| 70 to 74 | 398 | 3.8 | 3.9 | 93 | 4.7 | 2.7 | +305 |
| 75 to 79 | 291 | 2.8 | 2.0 | 59 | 3.0 | 0.4 | +231 |
| 80 to 84 | 171 | 1.6 | 1.4 | 23 | 1.2 | 0.8 | +148 |
| 85 and over | 146 | 1.4 | 0.8 | 9 | 0.5 | 0.4 | +137 |
| Total population | 10,558 | 100.0 | 100.0 | 1,974 | 100.0 | 100.0 | +8,584 |
Dominant groups
Analysis of the five year age groups of Yanchep in 2021 compared to Neerabup - Pinjar - Nowergup - Carabooda shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 26.0% of the population was aged between 0 and 15, and 13.6% were aged 65 years and over, compared with 17.8% and 13.4% respectively for Neerabup - Pinjar - Nowergup - Carabooda.
The major differences between the age structure of Yanchep and Neerabup - Pinjar - Nowergup - Carabooda were:
- A larger percentage of persons aged 0 to 4 (8.4% compared to 3.3%)
- A larger percentage of persons aged 35 to 39 (7.5% compared to 3.9%)
- A smaller percentage of persons aged 55 to 59 (5.4% compared to 9.9%)
- A smaller percentage of persons aged 45 to 49 (6.3% compared to 10.3%)
Emerging groups
From 2001 to 2021, Yanchep's population increased by 8,584 people (434.9%). This represents an average annual population change of 8.75% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 5 to 9 (+813 persons)
- 0 to 4 (+779 persons)
- 10 to 14 (+716 persons)
- 30 to 34 (+623 persons)
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