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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Marion was 30 to 34 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 575 people.
The Age Structure of the City of Marion 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 Marion'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 Marion'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 Marion - Total males (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Adelaide Primary Health Network % | Number | % | Adelaide Primary Health Network % | 2016 to 2021 |
| 0 to 4 | 2,633 | 5.8 | 5.6 | 2,725 | 6.4 | 6.2 | -92 |
| 5 to 9 | 2,704 | 5.9 | 6.1 | 2,434 | 5.7 | 6.2 | +270 |
| 10 to 14 | 2,491 | 5.5 | 6.0 | 2,233 | 5.2 | 5.8 | +258 |
| 15 to 19 | 2,494 | 5.5 | 5.8 | 2,513 | 5.9 | 6.3 | -19 |
| 20 to 24 | 3,107 | 6.8 | 6.9 | 3,125 | 7.3 | 7.3 | -18 |
| 25 to 29 | 3,396 | 7.4 | 7.4 | 3,130 | 7.3 | 7.0 | +266 |
| 30 to 34 | 3,540 | 7.8 | 7.1 | 3,230 | 7.6 | 7.2 | +310 |
| 35 to 39 | 3,435 | 7.5 | 7.1 | 2,967 | 7.0 | 6.6 | +468 |
| 40 to 44 | 3,073 | 6.7 | 6.4 | 2,854 | 6.7 | 6.6 | +219 |
| 45 to 49 | 2,873 | 6.3 | 6.3 | 2,701 | 6.3 | 6.8 | +172 |
| 50 to 54 | 2,680 | 5.9 | 6.3 | 2,713 | 6.4 | 6.6 | -33 |
| 55 to 59 | 2,638 | 5.8 | 6.1 | 2,774 | 6.5 | 6.3 | -136 |
| 60 to 64 | 2,627 | 5.8 | 5.7 | 2,566 | 6.0 | 5.5 | +61 |
| 65 to 69 | 2,514 | 5.5 | 5.0 | 2,202 | 5.2 | 5.1 | +312 |
| 70 to 74 | 2,096 | 4.6 | 4.6 | 1,521 | 3.6 | 3.8 | +575 |
| 75 to 79 | 1,395 | 3.1 | 3.2 | 1,129 | 2.6 | 2.8 | +266 |
| 80 to 84 | 935 | 2.1 | 2.2 | 858 | 2.0 | 2.0 | +77 |
| 85 and over | 979 | 2.1 | 2.0 | 949 | 2.2 | 2.0 | +30 |
| Total population | 45,610 | 100.0 | 100.0 | 42,624 | 100.0 | 100.0 | +2,986 |
Dominant groups
Analysis of the male five year age groups of the City of Marion in 2021 compared to Adelaide Primary Health Network shows that there was a lower proportion of males in the younger age groups (under 15) and a similar proportion of males in the older age groups (65+).
Overall, 17.2% of the male population was aged between 0 and 15, and 17.4% were aged 65 years and over, compared with 17.8% and 17.0% respectively for Adelaide Primary Health Network.
The major differences between the male age structure of the City of Marion and Adelaide Primary Health Network were:
- A larger percentage of males aged 30 to 34 (7.8% compared to 7.1%)
- A smaller percentage of males aged 10 to 14 (5.5% compared to 6.0%)
Emerging groups
From 2016 to 2021, City of Marion's male population increased by 2,986 people (7.0%). This represents an average annual population change of 1.36% per year over the period.
The largest changes in male age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+575 males)
- 35 to 39 (+468 males)
- 65 to 69 (+312 males)
- 30 to 34 (+310 males)
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