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LEARN MORE ABOUT .idIn 2021, the largest age group in Greater Brisbane was 35 to 39 year olds. The group that changed the most since 2006 was 25 to 29 year olds, increasing by 28,747 people.
The Age Structure of Greater Brisbane provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Greater Brisbane'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 Greater Brisbane'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 | |||||||
|---|---|---|---|---|---|---|---|
| Greater Brisbane - Total females (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Western Australia % | Number | % | Western Australia % | 2006 to 2021 |
| 0 to 4 | 73,074 | 5.7 | 5.9 | 59,929 | 6.4 | 6.2 | +13,145 |
| 5 to 9 | 80,642 | 6.3 | 6.3 | 61,142 | 6.5 | 6.5 | +19,500 |
| 10 to 14 | 81,594 | 6.4 | 6.2 | 63,718 | 6.8 | 6.9 | +17,876 |
| 15 to 19 | 76,779 | 6.0 | 5.6 | 64,907 | 6.9 | 6.9 | +11,872 |
| 20 to 24 | 86,761 | 6.8 | 5.8 | 71,004 | 7.5 | 6.7 | +15,757 |
| 25 to 29 | 93,335 | 7.3 | 6.6 | 64,588 | 6.9 | 6.3 | +28,747 |
| 30 to 34 | 96,894 | 7.5 | 7.5 | 70,745 | 7.5 | 7.0 | +26,149 |
| 35 to 39 | 97,141 | 7.6 | 7.6 | 72,479 | 7.7 | 7.6 | +24,662 |
| 40 to 44 | 87,059 | 6.8 | 6.7 | 69,988 | 7.4 | 7.7 | +17,071 |
| 45 to 49 | 86,490 | 6.7 | 6.5 | 67,399 | 7.2 | 7.5 | +19,091 |
| 50 to 54 | 82,018 | 6.4 | 6.5 | 60,481 | 6.4 | 6.9 | +21,537 |
| 55 to 59 | 73,701 | 5.7 | 6.1 | 56,776 | 6.0 | 6.2 | +16,925 |
| 60 to 64 | 67,444 | 5.3 | 5.7 | 41,811 | 4.4 | 4.5 | +25,633 |
| 65 to 69 | 59,069 | 4.6 | 5.1 | 31,004 | 3.3 | 3.6 | +28,065 |
| 70 to 74 | 53,049 | 4.1 | 4.4 | 24,836 | 2.6 | 3.0 | +28,213 |
| 75 to 79 | 37,371 | 2.9 | 3.0 | 23,390 | 2.5 | 2.6 | +13,981 |
| 80 to 84 | 24,702 | 1.9 | 2.2 | 19,289 | 2.0 | 2.0 | +5,413 |
| 85 and over | 26,771 | 2.1 | 2.3 | 18,032 | 1.9 | 1.9 | +8,739 |
| Total population | 1,283,894 | 100.0 | 100.0 | 941,518 | 100.0 | 100.0 | +342,376 |
Dominant groups
Analysis of the female five year age groups of Greater Brisbane in 2021 compared to Western Australia shows that there was a similar proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 18.3% of the female population was aged between 0 and 15, and 15.7% were aged 65 years and over, compared with 18.4% and 16.9% respectively for Western Australia.
The major differences between the female age structure of Greater Brisbane and Western Australia were:
- A larger percentage of females aged 20 to 24 (6.8% compared to 5.8%)
- A larger percentage of females aged 25 to 29 (7.3% compared to 6.6%)
- A smaller percentage of females aged 65 to 69 (4.6% compared to 5.1%)
Emerging groups
From 2006 to 2021, Greater Brisbane's female population increased by 342,376 people (36.4%). This represents an average annual population change of 2.09% per year over the period.
The largest changes in female age structure in this area between 2006 and 2021 were in the age groups:
- 25 to 29 (+28,747 females)
- 70 to 74 (+28,213 females)
- 65 to 69 (+28,065 females)
- 30 to 34 (+26,149 females)
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