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LEARN MORE ABOUT .idIn 2021, the largest age group in North Balgowlah was 10 to 14 year olds. The group that changed the most since 2016 was 10 to 14 year olds, increasing by 122 people.
The Age Structure of North Balgowlah 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 Balgowlah'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 Balgowlah'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 Balgowlah - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | North Manly % | Number | % | North Manly % | 2016 to 2021 |
| 0 to 4 | 240 | 6.3 | 5.0 | 299 | 8.2 | 6.9 | -59 |
| 5 to 9 | 370 | 9.7 | 7.5 | 470 | 12.8 | 9.2 | -100 |
| 10 to 14 | 471 | 12.4 | 10.1 | 349 | 9.5 | 8.1 | +122 |
| 15 to 19 | 304 | 8.0 | 7.7 | 241 | 6.6 | 6.1 | +63 |
| 20 to 24 | 150 | 3.9 | 4.5 | 151 | 4.1 | 5.1 | -1 |
| 25 to 29 | 78 | 2.0 | 3.9 | 86 | 2.3 | 4.1 | -8 |
| 30 to 34 | 97 | 2.5 | 5.3 | 100 | 2.7 | 6.0 | -3 |
| 35 to 39 | 201 | 5.3 | 5.9 | 259 | 7.1 | 6.7 | -58 |
| 40 to 44 | 372 | 9.8 | 8.0 | 364 | 9.9 | 9.1 | +8 |
| 45 to 49 | 400 | 10.5 | 10.0 | 373 | 10.2 | 8.8 | +27 |
| 50 to 54 | 316 | 8.3 | 8.1 | 265 | 7.2 | 6.7 | +51 |
| 55 to 59 | 215 | 5.6 | 6.0 | 187 | 5.1 | 5.3 | +28 |
| 60 to 64 | 160 | 4.2 | 4.3 | 144 | 3.9 | 5.1 | +16 |
| 65 to 69 | 137 | 3.6 | 4.1 | 137 | 3.7 | 3.8 | 0 |
| 70 to 74 | 124 | 3.3 | 3.4 | 100 | 2.7 | 2.9 | +24 |
| 75 to 79 | 85 | 2.2 | 2.6 | 68 | 1.9 | 1.9 | +17 |
| 80 to 84 | 49 | 1.3 | 1.7 | 27 | 0.7 | 1.9 | +22 |
| 85 and over | 39 | 1.0 | 2.0 | 48 | 1.3 | 2.4 | -9 |
| Total population | 3,808 | 100.0 | 100.0 | 3,668 | 100.0 | 100.0 | +140 |
Dominant groups
Analysis of the five year age groups of North Balgowlah in 2021 compared to North Manly shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 28.4% of the population was aged between 0 and 15, and 11.4% were aged 65 years and over, compared with 22.6% and 13.9% respectively for North Manly.
The major differences between the age structure of North Balgowlah and North Manly were:
- A larger percentage of persons aged 10 to 14 (12.4% compared to 10.1%)
- A larger percentage of persons aged 5 to 9 (9.7% compared to 7.5%)
- A smaller percentage of persons aged 30 to 34 (2.5% compared to 5.3%)
- A smaller percentage of persons aged 25 to 29 (2.0% compared to 3.9%)
Emerging groups
From 2016 to 2021, North Balgowlah's population increased by 140 people (3.8%). This represents an average annual population change of 0.75% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 10 to 14 (+122 persons)
- 5 to 9 (-100 persons)
- 15 to 19 (+63 persons)
- 0 to 4 (-59 persons)
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