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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Kwinana was 35 to 39 year olds. The group that changed the most since 2001 was 35 to 39 year olds, increasing by 2,503 people.
The Age Structure of the City of Kwinana 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 City of Kwinana '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 City of Kwinana '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 | |||||||
|---|---|---|---|---|---|---|---|
| City of Kwinana - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Growth LGAs in Queensland % | Number | % | Growth LGAs in Queensland % | 2001 to 2021 |
| 0 to 4 | 3,790 | 8.5 | 6.6 | 1,680 | 8.1 | 7.6 | +2,110 |
| 5 to 9 | 3,534 | 7.9 | 7.2 | 1,880 | 9.1 | 8.4 | +1,654 |
| 10 to 14 | 3,051 | 6.8 | 7.4 | 1,678 | 8.1 | 8.3 | +1,373 |
| 15 to 19 | 2,600 | 5.8 | 6.5 | 1,490 | 7.2 | 7.9 | +1,110 |
| 20 to 24 | 2,951 | 6.6 | 6.1 | 1,356 | 6.5 | 6.3 | +1,595 |
| 25 to 29 | 3,519 | 7.9 | 6.4 | 1,568 | 7.6 | 6.5 | +1,951 |
| 30 to 34 | 3,987 | 8.9 | 6.8 | 1,823 | 8.8 | 7.2 | +2,164 |
| 35 to 39 | 4,175 | 9.3 | 7.0 | 1,672 | 8.1 | 7.6 | +2,503 |
| 40 to 44 | 3,319 | 7.4 | 6.4 | 1,449 | 7.0 | 7.8 | +1,870 |
| 45 to 49 | 2,885 | 6.4 | 6.5 | 1,287 | 6.2 | 7.2 | +1,598 |
| 50 to 54 | 2,586 | 5.8 | 6.3 | 1,205 | 5.8 | 6.9 | +1,381 |
| 55 to 59 | 2,191 | 4.9 | 5.8 | 965 | 4.6 | 5.1 | +1,226 |
| 60 to 64 | 1,807 | 4.0 | 5.4 | 843 | 4.1 | 3.7 | +964 |
| 65 to 69 | 1,493 | 3.3 | 4.8 | 672 | 3.2 | 2.8 | +821 |
| 70 to 74 | 1,150 | 2.6 | 4.4 | 503 | 2.4 | 2.5 | +647 |
| 75 to 79 | 778 | 1.7 | 3.0 | 362 | 1.7 | 1.9 | +416 |
| 80 to 84 | 514 | 1.1 | 1.8 | 210 | 1.0 | 1.3 | +304 |
| 85 and over | 410 | 0.9 | 1.6 | 121 | 0.6 | 0.9 | +289 |
| Total population | 44,740 | 100.0 | 100.0 | 20,764 | 100.0 | 100.0 | +23,976 |
Dominant groups
Analysis of the five year age groups of the City of Kwinana in 2021 compared to Growth LGAs in Queensland 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, 23.2% of the population was aged between 0 and 15, and 9.7% were aged 65 years and over, compared with 21.2% and 15.6% respectively for Growth LGAs in Queensland.
The major differences between the age structure of the City of Kwinana and Growth LGAs in Queensland were:
- A larger percentage of persons aged 35 to 39 (9.3% compared to 7.0%)
- A larger percentage of persons aged 30 to 34 (8.9% compared to 6.8%)
- A larger percentage of persons aged 0 to 4 (8.5% compared to 6.6%)
- A smaller percentage of persons aged 70 to 74 (2.6% compared to 4.4%)
Emerging groups
From 2001 to 2021, City of Kwinana 's population increased by 23,976 people (115.5%). This represents an average annual population change of 3.91% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 35 to 39 (+2,503 persons)
- 30 to 34 (+2,164 persons)
- 0 to 4 (+2,110 persons)
- 25 to 29 (+1,951 persons)
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