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LEARN MORE ABOUT .idIn 2021, the largest age group in Northern Beaches Council area was 45 to 49 year olds. The group that changed the most since 2016 was 75 to 79 year olds, increasing by 1,302 people.
The Age Structure of Northern Beaches 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 Northern Beaches 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 Northern Beaches 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 | |||||||
|---|---|---|---|---|---|---|---|
| Northern Beaches Council area - Total females (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Greater Sydney % | Number | % | Greater Sydney % | 2016 to 2021 |
| 0 to 4 | 6,930 | 5.1 | 5.7 | 7,602 | 5.9 | 6.2 | -672 |
| 5 to 9 | 7,877 | 5.9 | 6.0 | 8,742 | 6.8 | 6.2 | -865 |
| 10 to 14 | 8,862 | 6.6 | 5.9 | 7,860 | 6.1 | 5.6 | +1,002 |
| 15 to 19 | 7,811 | 5.8 | 5.4 | 6,932 | 5.4 | 5.7 | +879 |
| 20 to 24 | 6,568 | 4.9 | 6.3 | 6,074 | 4.7 | 6.9 | +494 |
| 25 to 29 | 6,729 | 5.0 | 7.4 | 6,916 | 5.3 | 7.9 | -187 |
| 30 to 34 | 8,120 | 6.0 | 8.1 | 8,464 | 6.5 | 8.1 | -344 |
| 35 to 39 | 9,060 | 6.7 | 7.9 | 9,235 | 7.1 | 7.3 | -175 |
| 40 to 44 | 9,462 | 7.0 | 6.9 | 10,439 | 8.1 | 7.1 | -977 |
| 45 to 49 | 10,551 | 7.8 | 6.6 | 10,132 | 7.8 | 6.7 | +419 |
| 50 to 54 | 10,080 | 7.5 | 6.2 | 9,032 | 7.0 | 6.3 | +1,048 |
| 55 to 59 | 8,835 | 6.6 | 5.8 | 7,818 | 6.0 | 5.9 | +1,017 |
| 60 to 64 | 7,603 | 5.6 | 5.4 | 6,760 | 5.2 | 5.1 | +843 |
| 65 to 69 | 6,570 | 4.9 | 4.7 | 6,366 | 4.9 | 4.5 | +204 |
| 70 to 74 | 6,131 | 4.6 | 4.1 | 5,405 | 4.2 | 3.4 | +726 |
| 75 to 79 | 5,297 | 3.9 | 2.9 | 3,995 | 3.1 | 2.6 | +1,302 |
| 80 to 84 | 3,644 | 2.7 | 2.1 | 3,124 | 2.4 | 2.0 | +520 |
| 85 and over | 4,499 | 3.3 | 2.5 | 4,489 | 3.5 | 2.5 | +10 |
| Total population | 134,629 | 100.0 | 100.0 | 129,385 | 100.0 | 100.0 | +5,244 |
Dominant groups
Analysis of the female five year age groups of Northern Beaches Council area in 2021 compared to Greater Sydney shows that there was a similar proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).
Overall, 17.6% of the female population was aged between 0 and 15, and 19.4% were aged 65 years and over, compared with 17.7% and 16.2% respectively for Greater Sydney.
The major differences between the female age structure of Northern Beaches Council area and Greater Sydney were:
- A larger percentage of females aged 50 to 54 (7.5% compared to 6.2%)
- A smaller percentage of females aged 25 to 29 (5.0% compared to 7.4%)
- A smaller percentage of females aged 30 to 34 (6.0% compared to 8.1%)
- A smaller percentage of females aged 20 to 24 (4.9% compared to 6.3%)
Emerging groups
From 2016 to 2021, Northern Beaches Council area's female population increased by 5,244 people (4.1%). This represents an average annual population change of 0.8% per year over the period.
The largest changes in female age structure in this area between 2016 and 2021 were in the age groups:
- 75 to 79 (+1,302 females)
- 50 to 54 (+1,048 females)
- 55 to 59 (+1,017 females)
- 10 to 14 (+1,002 females)
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