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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 1991 was 55 to 59 year olds, increasing by 303 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 males (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Mountains and Valleys % | Number | % | Mountains and Valleys % | 1991 to 2021 |
| 0 to 4 | 445 | 6.3 | 4.4 | 474 | 9.8 | 8.2 | -29 |
| 5 to 9 | 473 | 6.7 | 5.7 | 399 | 8.2 | 7.9 | +74 |
| 10 to 14 | 478 | 6.8 | 6.0 | 293 | 6.1 | 7.2 | +185 |
| 15 to 19 | 512 | 7.2 | 6.1 | 308 | 6.4 | 10.9 | +204 |
| 20 to 24 | 373 | 5.3 | 5.5 | 232 | 4.8 | 7.0 | +141 |
| 25 to 29 | 371 | 5.2 | 4.3 | 418 | 8.6 | 5.7 | -48 |
| 30 to 34 | 376 | 5.3 | 4.1 | 489 | 10.1 | 6.9 | -113 |
| 35 to 39 | 436 | 6.2 | 5.4 | 375 | 7.8 | 8.0 | +60 |
| 40 to 44 | 485 | 6.9 | 5.5 | 353 | 7.3 | 8.1 | +132 |
| 45 to 49 | 527 | 7.4 | 7.0 | 289 | 6.0 | 7.7 | +237 |
| 50 to 54 | 491 | 6.9 | 8.8 | 217 | 4.5 | 5.3 | +274 |
| 55 to 59 | 490 | 6.9 | 8.7 | 186 | 3.9 | 4.3 | +303 |
| 60 to 64 | 472 | 6.7 | 8.3 | 184 | 3.8 | 4.8 | +288 |
| 65 to 69 | 349 | 4.9 | 6.8 | 214 | 4.4 | 3.6 | +134 |
| 70 to 74 | 283 | 4.0 | 5.8 | 177 | 3.7 | 2.3 | +105 |
| 75 to 79 | 219 | 3.1 | 3.9 | 123 | 2.5 | 1.3 | +96 |
| 80 to 84 | 164 | 2.3 | 2.1 | 68 | 1.4 | 0.6 | +95 |
| 85 and over | 133 | 1.9 | 1.3 | 35 | 0.7 | 0.2 | +98 |
| Total population | 7,077 | 100.0 | 100.0 | 4,842 | 100.0 | 100.0 | +2,234 |
Dominant groups
Analysis of the male five year age groups of the West Brisbane Water District in 2021 compared to Mountains and Valleys shows that there was a higher proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 19.7% of the male population was aged between 0 and 15, and 16.2% were aged 65 years and over, compared with 16.2% and 20.0% respectively for Mountains and Valleys.
The major differences between the male age structure of the West Brisbane Water District and Mountains and Valleys were:
- A larger percentage of males aged 0 to 4 (6.3% compared to 4.4%)
- A smaller percentage of males aged 50 to 54 (6.9% compared to 8.8%)
- A smaller percentage of males aged 65 to 69 (4.9% compared to 6.8%)
- A smaller percentage of males aged 70 to 74 (4.0% compared to 5.8%)
Emerging groups
From 1991 to 2021, West Brisbane Water District's male population increased by 2,235 people (46.2%). This represents an average annual population change of 1.27% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 55 to 59 (+303 males)
- 60 to 64 (+288 males)
- 50 to 54 (+274 males)
- 45 to 49 (+237 males)
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