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LEARN MORE ABOUT .idIn 2021, the largest age group in Greater Adelaide was 25 to 29 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 11,865 people.
The Age Structure of Greater Adelaide 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 Adelaide'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 Adelaide'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 Adelaide - Total males (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | South Australia % | Number | % | South Australia % | 2011 to 2021 |
| 0 to 4 | 38,460 | 5.7 | 5.5 | 37,477 | 6.3 | 6.3 | +983 |
| 5 to 9 | 41,921 | 6.2 | 6.1 | 35,964 | 6.1 | 6.1 | +5,957 |
| 10 to 14 | 41,662 | 6.2 | 6.2 | 37,067 | 6.2 | 6.4 | +4,595 |
| 15 to 19 | 40,319 | 6.0 | 5.8 | 41,051 | 6.9 | 6.8 | -732 |
| 20 to 24 | 46,159 | 6.9 | 6.4 | 43,843 | 7.4 | 6.9 | +2,316 |
| 25 to 29 | 48,380 | 7.2 | 6.8 | 42,315 | 7.1 | 6.7 | +6,065 |
| 30 to 34 | 46,930 | 7.0 | 6.7 | 38,893 | 6.6 | 6.2 | +8,037 |
| 35 to 39 | 47,251 | 7.0 | 6.7 | 40,388 | 6.8 | 6.6 | +6,863 |
| 40 to 44 | 42,588 | 6.3 | 6.1 | 42,311 | 7.1 | 7.1 | +277 |
| 45 to 49 | 42,341 | 6.3 | 6.2 | 41,986 | 7.1 | 7.1 | +355 |
| 50 to 54 | 42,761 | 6.4 | 6.5 | 40,738 | 6.9 | 7.0 | +2,023 |
| 55 to 59 | 41,083 | 6.1 | 6.4 | 35,913 | 6.1 | 6.3 | +5,170 |
| 60 to 64 | 38,730 | 5.8 | 6.2 | 33,917 | 5.7 | 6.0 | +4,813 |
| 65 to 69 | 33,771 | 5.0 | 5.6 | 24,748 | 4.2 | 4.5 | +9,023 |
| 70 to 74 | 30,877 | 4.6 | 5.1 | 19,012 | 3.2 | 3.5 | +11,865 |
| 75 to 79 | 21,790 | 3.2 | 3.6 | 15,252 | 2.6 | 2.7 | +6,538 |
| 80 to 84 | 14,462 | 2.1 | 2.3 | 12,513 | 2.1 | 2.1 | +1,949 |
| 85 and over | 13,704 | 2.0 | 2.1 | 10,087 | 1.7 | 1.7 | +3,617 |
| Total population | 673,189 | 100.0 | 100.0 | 593,475 | 100.0 | 100.0 | +79,714 |
Dominant groups
Analysis of the male five year age groups of Greater Adelaide in 2021 compared to South Australia shows that there was a similar proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 18.1% of the male population was aged between 0 and 15, and 17.0% were aged 65 years and over, compared with 17.8% and 18.6% respectively for South Australia.
The major difference between the male age structure of Greater Adelaide and South Australia is:
- A smaller percentage of males aged 65 to 69 (5.0% compared to 5.6%)
Emerging groups
From 2011 to 2021, Greater Adelaide's male population increased by 79,714 people (13.4%). 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 2011 and 2021 were in the age groups:
- 70 to 74 (+11,865 males)
- 65 to 69 (+9,023 males)
- 30 to 34 (+8,037 males)
- 35 to 39 (+6,863 males)
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