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LEARN MORE ABOUT .idIn 2021, the largest age group in the West Brisbane Water District was 45 to 49 year olds. The group that changed the most since 1996 was 60 to 64 year olds, increasing by 552 people.
The Age Structure of the West Brisbane Water District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the West Brisbane Water District'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 the West Brisbane Water District'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 | |||||||
|---|---|---|---|---|---|---|---|
| West Brisbane Water District - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Central Coast Council area % | Number | % | Central Coast Council area % | 1996 to 2021 |
| 0 to 4 | 832 | 5.8 | 5.6 | 1,321 | 10.2 | 7.7 | -490 |
| 5 to 9 | 961 | 6.7 | 6.1 | 1,182 | 9.2 | 7.8 | -222 |
| 10 to 14 | 939 | 6.6 | 6.3 | 840 | 6.5 | 7.3 | +98 |
| 15 to 19 | 947 | 6.6 | 5.9 | 623 | 4.8 | 6.1 | +324 |
| 20 to 24 | 750 | 5.2 | 5.3 | 593 | 4.6 | 5.6 | +157 |
| 25 to 29 | 715 | 5.0 | 5.4 | 928 | 7.2 | 6.0 | -213 |
| 30 to 34 | 790 | 5.5 | 5.7 | 1,311 | 10.1 | 7.2 | -521 |
| 35 to 39 | 909 | 6.4 | 6.0 | 1,205 | 9.3 | 7.7 | -297 |
| 40 to 44 | 983 | 6.9 | 5.9 | 897 | 6.9 | 7.0 | +86 |
| 45 to 49 | 1,080 | 7.6 | 6.3 | 791 | 6.1 | 6.4 | +288 |
| 50 to 54 | 1,012 | 7.1 | 6.4 | 643 | 5.0 | 5.1 | +369 |
| 55 to 59 | 1,018 | 7.1 | 6.5 | 522 | 4.0 | 4.3 | +496 |
| 60 to 64 | 946 | 6.6 | 6.4 | 393 | 3.0 | 4.3 | +552 |
| 65 to 69 | 677 | 4.7 | 5.9 | 425 | 3.3 | 5.1 | +252 |
| 70 to 74 | 610 | 4.3 | 5.7 | 480 | 3.7 | 4.9 | +130 |
| 75 to 79 | 446 | 3.1 | 4.4 | 359 | 2.8 | 3.8 | +87 |
| 80 to 84 | 349 | 2.4 | 3.0 | 214 | 1.7 | 2.3 | +135 |
| 85 and over | 332 | 2.3 | 3.0 | 187 | 1.5 | 1.4 | +144 |
| Total population | 14,296 | 100.0 | 100.0 | 12,923 | 100.0 | 100.0 | +1,372 |
Dominant groups
Analysis of the five year age groups of the West Brisbane Water District in 2021 compared to Central Coast Council area 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, 19.1% of the population was aged between 0 and 15, and 16.9% were aged 65 years and over, compared with 18.1% and 22.1% respectively for Central Coast Council area.
The major differences between the age structure of the West Brisbane Water District and Central Coast Council area were:
- A larger percentage of persons aged 45 to 49 (7.6% compared to 6.3%)
- A smaller percentage of persons aged 70 to 74 (4.3% compared to 5.7%)
- A smaller percentage of persons aged 75 to 79 (3.1% compared to 4.4%)
- A smaller percentage of persons aged 65 to 69 (4.7% compared to 5.9%)
Emerging groups
From 1996 to 2021, West Brisbane Water District's population increased by 1,373 people (10.6%). This represents an average annual population change of 0.4% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 60 to 64 (+552 persons)
- 30 to 34 (-521 persons)
- 55 to 59 (+496 persons)
- 0 to 4 (-490 persons)
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