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LEARN MORE ABOUT .idIn 2021, the largest age group in Morphett Vale was 30 to 34 year olds. The group that changed the most since 1991 was 15 to 19 year olds, decreasing by 485 people.
The Age Structure of Morphett Vale provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Morphett Vale'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 Morphett Vale'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 | |||||||
|---|---|---|---|---|---|---|---|
| Morphett Vale - Total males (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | City of Onkaparinga % | Number | % | City of Onkaparinga % | 1991 to 2021 |
| 0 to 4 | 686 | 5.9 | 5.7 | 955 | 8.0 | 8.7 | -270 |
| 5 to 9 | 707 | 6.1 | 6.6 | 1,129 | 9.5 | 9.6 | -422 |
| 10 to 14 | 679 | 5.8 | 6.7 | 1,138 | 9.6 | 9.0 | -459 |
| 15 to 19 | 681 | 5.9 | 6.2 | 1,166 | 9.8 | 8.5 | -485 |
| 20 to 24 | 711 | 6.1 | 5.9 | 923 | 7.8 | 6.8 | -212 |
| 25 to 29 | 831 | 7.2 | 6.0 | 859 | 7.2 | 7.2 | -28 |
| 30 to 34 | 849 | 7.3 | 6.3 | 965 | 8.1 | 8.6 | -117 |
| 35 to 39 | 798 | 6.9 | 6.6 | 1,015 | 8.5 | 9.0 | -217 |
| 40 to 44 | 654 | 5.6 | 6.0 | 1,087 | 9.1 | 9.3 | -434 |
| 45 to 49 | 731 | 6.3 | 6.5 | 782 | 6.6 | 6.1 | -51 |
| 50 to 54 | 720 | 6.2 | 6.5 | 472 | 4.0 | 4.1 | +248 |
| 55 to 59 | 677 | 5.8 | 6.3 | 347 | 2.9 | 3.2 | +330 |
| 60 to 64 | 654 | 5.6 | 6.0 | 322 | 2.7 | 3.0 | +331 |
| 65 to 69 | 668 | 5.8 | 5.6 | 266 | 2.2 | 2.6 | +401 |
| 70 to 74 | 635 | 5.5 | 5.4 | 226 | 1.9 | 2.0 | +408 |
| 75 to 79 | 460 | 4.0 | 3.7 | 153 | 1.3 | 1.3 | +307 |
| 80 to 84 | 258 | 2.2 | 2.2 | 66 | 0.6 | 0.6 | +192 |
| 85 and over | 215 | 1.9 | 1.8 | 26 | 0.2 | 0.2 | +189 |
| Total population | 11,614 | 100.0 | 100.0 | 11,903 | 100.0 | 100.0 | -289 |
Dominant groups
Analysis of the male five year age groups of Morphett Vale in 2021 compared to the City of Onkaparinga shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).
Overall, 17.8% of the male population was aged between 0 and 15, and 19.3% were aged 65 years and over, compared with 19.0% and 18.6% respectively for the City of Onkaparinga.
The major differences between the male age structure of Morphett Vale and the City of Onkaparinga were:
- A larger percentage of males aged 25 to 29 (7.2% compared to 6.0%)
- A larger percentage of males aged 30 to 34 (7.3% compared to 6.3%)
- A smaller percentage of males aged 10 to 14 (5.8% compared to 6.7%)
- A smaller percentage of males aged 5 to 9 (6.1% compared to 6.6%)
Emerging groups
From 1991 to 2021, Morphett Vale's male population decreased by 289 people (2.4%). This represents an average annual population change of -0.08% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 15 to 19 (-485 males)
- 10 to 14 (-459 males)
- 40 to 44 (-434 males)
- 5 to 9 (-422 males)
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