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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 2016 was 30 to 34 year olds, decreasing by 480 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 males (Enumerated) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Ku-ring-gai Council area % | Number | % | Ku-ring-gai Council area % | 2016 to 2021 |
| 0 to 4 | 1,725 | 5.4 | 4.9 | 1,937 | 6.1 | 5.5 | -212 |
| 5 to 9 | 1,436 | 4.5 | 7.4 | 1,333 | 4.2 | 8.0 | +103 |
| 10 to 14 | 1,179 | 3.7 | 8.5 | 1,029 | 3.2 | 8.4 | +150 |
| 15 to 19 | 1,055 | 3.3 | 7.8 | 988 | 3.1 | 8.5 | +67 |
| 20 to 24 | 1,525 | 4.8 | 6.1 | 1,551 | 4.9 | 5.8 | -26 |
| 25 to 29 | 2,927 | 9.2 | 3.7 | 3,384 | 10.6 | 3.9 | -457 |
| 30 to 34 | 3,693 | 11.6 | 3.9 | 4,173 | 13.1 | 4.2 | -480 |
| 35 to 39 | 3,280 | 10.3 | 5.7 | 3,357 | 10.5 | 5.5 | -77 |
| 40 to 44 | 2,578 | 8.1 | 6.8 | 2,636 | 8.3 | 6.6 | -58 |
| 45 to 49 | 2,174 | 6.8 | 7.3 | 2,141 | 6.7 | 7.7 | +33 |
| 50 to 54 | 1,901 | 6.0 | 7.4 | 1,793 | 5.6 | 7.5 | +108 |
| 55 to 59 | 1,739 | 5.5 | 6.7 | 1,705 | 5.4 | 6.4 | +34 |
| 60 to 64 | 1,641 | 5.2 | 5.6 | 1,570 | 4.9 | 5.0 | +71 |
| 65 to 69 | 1,409 | 4.4 | 4.6 | 1,554 | 4.9 | 4.7 | -145 |
| 70 to 74 | 1,407 | 4.4 | 4.5 | 1,152 | 3.6 | 3.9 | +255 |
| 75 to 79 | 1,045 | 3.3 | 3.6 | 758 | 2.4 | 3.1 | +287 |
| 80 to 84 | 625 | 2.0 | 2.5 | 405 | 1.3 | 2.4 | +220 |
| 85 and over | 464 | 1.5 | 2.8 | 368 | 1.2 | 2.7 | +96 |
| Total population | 31,803 | 100.0 | 100.0 | 31,834 | 100.0 | 100.0 | -31 |
Dominant groups
Analysis of the male five year age groups of North Sydney Council area in 2021 compared to Ku-ring-gai Council area shows that there was a lower proportion of males in the younger age groups (under 15) as well as a lower proportion of males in the older age groups (65+).
Overall, 13.6% of the male population was aged between 0 and 15, and 15.6% were aged 65 years and over, compared with 20.8% and 18.1% respectively for Ku-ring-gai Council area.
The major differences between the male age structure of North Sydney Council area and Ku-ring-gai Council area were:
- A larger percentage of males aged 30 to 34 (11.6% compared to 3.9%)
- A larger percentage of males aged 25 to 29 (9.2% compared to 3.7%)
- A larger percentage of males aged 35 to 39 (10.3% compared to 5.7%)
- A smaller percentage of males aged 10 to 14 (3.7% compared to 8.5%)
Emerging groups
From 2016 to 2021, North Sydney Council area's male population decreased by 31 people (0.1%). This represents an average annual population change of -0.02% per year over the period.
The largest changes in male age structure in this area between 2016 and 2021 were in the age groups:
- 30 to 34 (-480 males)
- 25 to 29 (-457 males)
- 75 to 79 (+287 males)
- 70 to 74 (+255 males)
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