Powered by .id (informed decisions) for North Sydney Council
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LEARN MORE ABOUT .idIn 2021, the largest age group in North Sydney Council area was 30 to 34 year olds. The group that changed the most since 2011 was 25 to 29 year olds, decreasing by 1,485 people.
The Age Structure of North Sydney 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 North Sydney 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 North Sydney 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 | |||||||
|---|---|---|---|---|---|---|---|
| North Sydney Council area - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Waverton % | Number | % | Waverton % | 2011 to 2021 |
| 0 to 4 | 3,435 | 5.0 | 5.1 | 3,354 | 5.4 | 5.4 | +81 |
| 5 to 9 | 2,870 | 4.2 | 3.8 | 2,021 | 3.2 | 3.2 | +849 |
| 10 to 14 | 2,421 | 3.5 | 3.5 | 1,559 | 2.5 | 3.6 | +862 |
| 15 to 19 | 2,145 | 3.1 | 3.1 | 1,697 | 2.7 | 3.0 | +448 |
| 20 to 24 | 3,361 | 4.9 | 5.8 | 3,644 | 5.9 | 6.4 | -283 |
| 25 to 29 | 6,650 | 9.6 | 10.4 | 8,135 | 13.1 | 12.2 | -1,485 |
| 30 to 34 | 8,002 | 11.6 | 10.9 | 8,434 | 13.5 | 13.5 | -432 |
| 35 to 39 | 6,876 | 10.0 | 8.5 | 6,607 | 10.6 | 9.4 | +269 |
| 40 to 44 | 5,461 | 7.9 | 7.1 | 4,753 | 7.6 | 6.3 | +708 |
| 45 to 49 | 4,570 | 6.6 | 5.8 | 3,777 | 6.1 | 5.7 | +793 |
| 50 to 54 | 4,228 | 6.1 | 5.9 | 3,620 | 5.8 | 5.8 | +608 |
| 55 to 59 | 3,794 | 5.5 | 5.5 | 3,374 | 5.4 | 5.6 | +420 |
| 60 to 64 | 3,644 | 5.3 | 5.5 | 3,505 | 5.6 | 6.4 | +139 |
| 65 to 69 | 3,225 | 4.7 | 5.4 | 2,699 | 4.3 | 4.7 | +526 |
| 70 to 74 | 3,193 | 4.6 | 5.7 | 1,815 | 2.9 | 3.4 | +1,378 |
| 75 to 79 | 2,376 | 3.4 | 3.5 | 1,267 | 2.0 | 1.8 | +1,109 |
| 80 to 84 | 1,473 | 2.1 | 2.9 | 958 | 1.5 | 1.9 | +515 |
| 85 and over | 1,226 | 1.8 | 1.7 | 1,070 | 1.7 | 1.6 | +156 |
| Total population | 68,950 | 100.0 | 100.0 | 62,289 | 100.0 | 100.0 | +6,661 |
Dominant groups
Analysis of the five year age groups of North Sydney Council area in 2021 compared to Waverton 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, 12.7% of the population was aged between 0 and 15, and 16.7% were aged 65 years and over, compared with 12.4% and 19.2% respectively for Waverton.
The major differences between the age structure of North Sydney Council area and Waverton were:
- A larger percentage of persons aged 35 to 39 (10.0% compared to 8.5%)
- A larger percentage of persons aged 40 to 44 (7.9% compared to 7.1%)
- A smaller percentage of persons aged 70 to 74 (4.6% compared to 5.7%)
- A smaller percentage of persons aged 20 to 24 (4.9% compared to 5.8%)
Emerging groups
From 2011 to 2021, North Sydney Council area's population increased by 6,661 people (10.7%). This represents an average annual population change of 1.02% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 25 to 29 (-1,485 persons)
- 70 to 74 (+1,378 persons)
- 75 to 79 (+1,109 persons)
- 10 to 14 (+862 persons)
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