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LEARN MORE ABOUT .idIn 2021, the largest age group in Warringah Council area was 45 to 49 year olds. The group that changed the most since 2016 was 50 to 54 year olds, increasing by 1,391 people.
The Age Structure of Warringah Council area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Warringah Council area'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 Warringah Council area'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 | |||||||
|---|---|---|---|---|---|---|---|
| Warringah Council area - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Northern Beaches Council area % | Number | % | Northern Beaches Council area % | 2016 to 2021 |
| 0 to 4 | 8,724 | 5.6 | 5.4 | 9,604 | 6.4 | 6.2 | -880 |
| 5 to 9 | 9,826 | 6.3 | 6.2 | 10,865 | 7.2 | 7.1 | -1,039 |
| 10 to 14 | 11,020 | 7.0 | 6.9 | 9,755 | 6.5 | 6.4 | +1,265 |
| 15 to 19 | 9,749 | 6.2 | 6.2 | 8,828 | 5.9 | 5.7 | +921 |
| 20 to 24 | 8,530 | 5.4 | 5.2 | 7,592 | 5.0 | 5.0 | +938 |
| 25 to 29 | 8,279 | 5.3 | 5.0 | 8,223 | 5.5 | 5.3 | +56 |
| 30 to 34 | 9,701 | 6.2 | 5.9 | 9,979 | 6.6 | 6.4 | -278 |
| 35 to 39 | 10,648 | 6.8 | 6.5 | 10,998 | 7.3 | 7.1 | -350 |
| 40 to 44 | 11,375 | 7.3 | 7.0 | 12,385 | 8.2 | 8.0 | -1,010 |
| 45 to 49 | 12,447 | 7.9 | 7.8 | 11,937 | 7.9 | 7.7 | +510 |
| 50 to 54 | 11,708 | 7.5 | 7.4 | 10,317 | 6.9 | 7.1 | +1,391 |
| 55 to 59 | 9,872 | 6.3 | 6.6 | 8,515 | 5.7 | 6.1 | +1,357 |
| 60 to 64 | 8,124 | 5.2 | 5.7 | 7,110 | 4.7 | 5.2 | +1,014 |
| 65 to 69 | 6,757 | 4.3 | 4.8 | 6,603 | 4.4 | 4.8 | +154 |
| 70 to 74 | 6,291 | 4.0 | 4.4 | 5,660 | 3.8 | 4.1 | +631 |
| 75 to 79 | 5,386 | 3.4 | 3.7 | 4,494 | 3.0 | 3.0 | +892 |
| 80 to 84 | 3,977 | 2.5 | 2.6 | 3,297 | 2.2 | 2.2 | +680 |
| 85 and over | 4,481 | 2.9 | 2.7 | 4,406 | 2.9 | 2.7 | +75 |
| Total population | 156,895 | 100.0 | 100.0 | 150,568 | 100.0 | 100.0 | +6,327 |
Dominant groups
Analysis of the five year age groups of Warringah Council area 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 lower proportion of people in the older age groups (65+).
Overall, 18.8% of the population was aged between 0 and 15, and 17.1% were aged 65 years and over, compared with 18.5% and 18.2% respectively for Northern Beaches Council area.
The major difference between the age structure of Warringah Council area and Northern Beaches Council area is:
- A smaller percentage of persons aged 60 to 64 (5.2% compared to 5.7%)
Emerging groups
From 2016 to 2021, Warringah Council area's population increased by 6,327 people (4.2%). This represents an average annual population change of 0.83% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 50 to 54 (+1,391 persons)
- 55 to 59 (+1,357 persons)
- 10 to 14 (+1,265 persons)
- 5 to 9 (-1,039 persons)
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