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LEARN MORE ABOUT .idIn 2021, the largest age group in Mona Vale PCA was 45 to 49 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 1,541 people.
The Age Structure of Mona Vale PCA provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mona Vale PCA'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 Mona Vale PCA'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mona Vale PCA - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Northern Beaches Council area % | Number | % | Northern Beaches Council area % | 2011 to 2021 |
| 0 to 4 | 3,050 | 4.8 | 5.4 | 3,814 | 6.9 | 7.2 | -764 |
| 5 to 9 | 3,880 | 6.2 | 6.2 | 3,806 | 6.8 | 6.8 | +73 |
| 10 to 14 | 4,478 | 7.1 | 7.0 | 3,644 | 6.5 | 6.1 | +834 |
| 15 to 19 | 4,096 | 6.5 | 6.2 | 3,475 | 6.2 | 5.6 | +620 |
| 20 to 24 | 3,166 | 5.0 | 5.2 | 2,695 | 4.8 | 5.1 | +470 |
| 25 to 29 | 2,359 | 3.7 | 5.1 | 2,228 | 4.0 | 5.7 | +130 |
| 30 to 34 | 2,542 | 4.0 | 5.9 | 2,686 | 4.8 | 6.8 | -145 |
| 35 to 39 | 3,158 | 5.0 | 6.5 | 3,842 | 6.9 | 8.2 | -685 |
| 40 to 44 | 3,864 | 6.1 | 7.0 | 4,138 | 7.4 | 8.0 | -274 |
| 45 to 49 | 4,687 | 7.4 | 7.8 | 4,404 | 7.9 | 7.7 | +282 |
| 50 to 54 | 4,604 | 7.3 | 7.4 | 4,207 | 7.6 | 6.6 | +396 |
| 55 to 59 | 4,659 | 7.4 | 6.6 | 3,865 | 6.9 | 5.7 | +793 |
| 60 to 64 | 4,378 | 7.0 | 5.6 | 3,608 | 6.5 | 5.3 | +769 |
| 65 to 69 | 3,838 | 6.1 | 4.7 | 2,895 | 5.2 | 4.4 | +943 |
| 70 to 74 | 3,562 | 5.7 | 4.4 | 2,021 | 3.6 | 3.4 | +1,541 |
| 75 to 79 | 2,843 | 4.5 | 3.7 | 1,477 | 2.7 | 2.6 | +1,366 |
| 80 to 84 | 1,890 | 3.0 | 2.6 | 1,385 | 2.5 | 2.3 | +504 |
| 85 and over | 1,860 | 3.0 | 2.8 | 1,452 | 2.6 | 2.6 | +407 |
| Total population | 62,914 | 100.0 | 100.0 | 55,653 | 100.0 | 100.0 | +7,261 |
Dominant groups
Analysis of the five year age groups of Mona Vale PCA in 2021 compared to Northern Beaches Council area shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 18.1% of the population was aged between 0 and 15, and 22.2% were aged 65 years and over, compared with 18.5% and 18.1% respectively for Northern Beaches Council area.
The major differences between the age structure of Mona Vale PCA and Northern Beaches Council area were:
- A larger percentage of persons aged 65 to 69 (6.1% compared to 4.7%)
- A larger percentage of persons aged 60 to 64 (7.0% compared to 5.6%)
- A smaller percentage of persons aged 30 to 34 (4.0% compared to 5.9%)
- A smaller percentage of persons aged 35 to 39 (5.0% compared to 6.5%)
Emerging groups
From 2011 to 2021, Mona Vale PCA's population increased by 7,261 people (13.0%). This represents an average annual population change of 1.23% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+1,541 persons)
- 75 to 79 (+1,366 persons)
- 65 to 69 (+943 persons)
- 10 to 14 (+834 persons)
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