Powered by .id (informed decisions) for Ku-ring-gai Council
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LEARN MORE ABOUT .idIn 2021, the largest age group in Ku-ring-gai Council area was 45 to 49 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 521 people.
The Age Structure of Ku-ring-gai 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 Ku-ring-gai 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 Ku-ring-gai 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 | |||||||
|---|---|---|---|---|---|---|---|
| Ku-ring-gai 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 | 2,681 | 4.2 | 5.7 | 2,938 | 4.8 | 6.2 | -257 |
| 5 to 9 | 4,208 | 6.6 | 6.0 | 4,108 | 6.7 | 6.2 | +100 |
| 10 to 14 | 4,820 | 7.5 | 5.9 | 4,521 | 7.4 | 5.6 | +299 |
| 15 to 19 | 4,432 | 6.9 | 5.4 | 4,527 | 7.4 | 5.7 | -95 |
| 20 to 24 | 3,324 | 5.2 | 6.3 | 3,330 | 5.4 | 6.9 | -6 |
| 25 to 29 | 2,188 | 3.4 | 7.4 | 2,276 | 3.7 | 7.9 | -88 |
| 30 to 34 | 2,623 | 4.1 | 8.1 | 2,804 | 4.6 | 8.1 | -181 |
| 35 to 39 | 4,197 | 6.5 | 7.9 | 3,676 | 6.0 | 7.3 | +521 |
| 40 to 44 | 4,783 | 7.4 | 6.9 | 4,503 | 7.3 | 7.1 | +280 |
| 45 to 49 | 5,035 | 7.8 | 6.6 | 5,114 | 8.3 | 6.7 | -79 |
| 50 to 54 | 4,950 | 7.7 | 6.2 | 4,702 | 7.7 | 6.3 | +248 |
| 55 to 59 | 4,236 | 6.6 | 5.8 | 3,797 | 6.2 | 5.9 | +439 |
| 60 to 64 | 3,578 | 5.6 | 5.4 | 3,192 | 5.2 | 5.1 | +386 |
| 65 to 69 | 3,201 | 5.0 | 4.7 | 2,991 | 4.9 | 4.5 | +210 |
| 70 to 74 | 3,035 | 4.7 | 4.1 | 2,597 | 4.2 | 3.4 | +438 |
| 75 to 79 | 2,510 | 3.9 | 2.9 | 2,068 | 3.4 | 2.6 | +442 |
| 80 to 84 | 1,938 | 3.0 | 2.1 | 1,700 | 2.8 | 2.0 | +238 |
| 85 and over | 2,479 | 3.9 | 2.5 | 2,538 | 4.1 | 2.5 | -59 |
| Total population | 64,218 | 100.0 | 100.0 | 61,382 | 100.0 | 100.0 | +2,836 |
Dominant groups
Analysis of the female five year age groups of Ku-ring-gai Council area in 2021 compared to Greater Sydney shows that there was a higher proportion of females in the younger age groups (under 15) as well as a higher proportion of females in the older age groups (65+).
Overall, 18.2% of the female population was aged between 0 and 15, and 20.5% 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 Ku-ring-gai Council area and Greater Sydney were:
- A larger percentage of females aged 10 to 14 (7.5% compared to 5.9%)
- A smaller percentage of females aged 25 to 29 (3.4% compared to 7.4%)
- A smaller percentage of females aged 30 to 34 (4.1% compared to 8.1%)
- A smaller percentage of females aged 0 to 4 (4.2% compared to 5.7%)
Emerging groups
From 2016 to 2021, Ku-ring-gai Council area's female population increased by 2,836 people (4.6%). This represents an average annual population change of 0.91% per year over the period.
The largest changes in female age structure in this area between 2016 and 2021 were in the age groups:
- 35 to 39 (+521 females)
- 75 to 79 (+442 females)
- 55 to 59 (+439 females)
- 70 to 74 (+438 females)
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