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LEARN MORE ABOUT .idIn 2021, the largest age group in Kirwan was 15 to 19 year olds. The group that changed the most since 2016 was 0 to 4 year olds, decreasing by 325 people.
The Age Structure of Kirwan provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Kirwan'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 Kirwan'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 | |||||||
|---|---|---|---|---|---|---|---|
| Kirwan - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Division 5 % | Number | % | Division 5 % | 2016 to 2021 |
| 0 to 4 | 1,170 | 5.6 | 6.0 | 1,495 | 7.0 | 6.8 | -325 |
| 5 to 9 | 1,424 | 6.9 | 7.4 | 1,577 | 7.4 | 7.2 | -153 |
| 10 to 14 | 1,586 | 7.6 | 7.4 | 1,624 | 7.6 | 7.5 | -38 |
| 15 to 19 | 1,590 | 7.7 | 7.2 | 1,677 | 7.8 | 7.9 | -87 |
| 20 to 24 | 1,322 | 6.4 | 6.5 | 1,538 | 7.2 | 7.2 | -216 |
| 25 to 29 | 1,266 | 6.1 | 6.5 | 1,393 | 6.5 | 6.7 | -127 |
| 30 to 34 | 1,222 | 5.9 | 6.6 | 1,456 | 6.8 | 6.7 | -234 |
| 35 to 39 | 1,331 | 6.4 | 6.9 | 1,364 | 6.4 | 6.3 | -33 |
| 40 to 44 | 1,361 | 6.6 | 6.4 | 1,496 | 7.0 | 7.0 | -135 |
| 45 to 49 | 1,398 | 6.7 | 6.4 | 1,513 | 7.1 | 7.1 | -115 |
| 50 to 54 | 1,461 | 7.0 | 6.6 | 1,409 | 6.6 | 6.7 | +52 |
| 55 to 59 | 1,283 | 6.2 | 6.2 | 1,331 | 6.2 | 6.3 | -48 |
| 60 to 64 | 1,244 | 6.0 | 5.8 | 1,118 | 5.2 | 5.1 | +126 |
| 65 to 69 | 1,033 | 5.0 | 4.8 | 918 | 4.3 | 4.3 | +115 |
| 70 to 74 | 870 | 4.2 | 3.8 | 655 | 3.1 | 3.0 | +215 |
| 75 to 79 | 591 | 2.8 | 2.6 | 393 | 1.8 | 1.9 | +198 |
| 80 to 84 | 336 | 1.6 | 1.6 | 234 | 1.1 | 1.2 | +102 |
| 85 and over | 287 | 1.4 | 1.4 | 230 | 1.1 | 1.1 | +57 |
| Total population | 20,775 | 100.0 | 100.0 | 21,421 | 100.0 | 100.0 | -646 |
Dominant groups
Analysis of the five year age groups of Kirwan in 2021 compared to Division 5 shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 20.1% of the population was aged between 0 and 15, and 15.0% were aged 65 years and over, compared with 20.8% and 14.2% respectively for Division 5.
The major differences between the age structure of Kirwan and Division 5 were:
- A smaller percentage of persons aged 30 to 34 (5.9% compared to 6.6%)
- A smaller percentage of persons aged 5 to 9 (6.9% compared to 7.4%)
Emerging groups
From 2016 to 2021, Kirwan's population decreased by 646 people (3.0%). This represents an average annual population change of -0.61% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 0 to 4 (-325 persons)
- 30 to 34 (-234 persons)
- 20 to 24 (-216 persons)
- 70 to 74 (+215 persons)
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