Eastern Region Alliance area
Five year age groups
There were 9,156 people over the age of 85 living in Eastern Region Alliance area in 2016, with largest age group being 45 to 49 year olds.
The Age Structure of Eastern Region Alliance area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Eastern Region Alliance area'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.
Derived from the Census question:
'What is the person's date of birth or age?'
|Age structure - Five year age groups|
|Eastern Region Alliance area - Total persons (Usual residence)||2016||2011||Change|
|Five year age groups (years)||Number||%||City of Unley %||Number||%||City of Unley %||2011 to 2016|
|0 to 4||15,126||5.2||4.7||15,034||5.3||5.4||+92|
|5 to 9||16,736||5.7||5.7||15,726||5.5||5.6||+1,010|
|10 to 14||16,636||5.7||5.5||16,368||5.8||5.1||+268|
|15 to 19||17,997||6.1||5.8||18,313||6.4||5.6||-316|
|20 to 24||18,931||6.5||6.8||20,128||7.1||7.7||-1,197|
|25 to 29||18,304||6.2||7.0||18,632||6.5||7.4||-328|
|30 to 34||18,534||6.3||6.6||17,012||6.0||6.5||+1,522|
|35 to 39||18,450||6.3||6.4||18,626||6.5||6.9||-176|
|40 to 44||19,237||6.6||6.7||20,485||7.2||7.1||-1,248|
|45 to 49||20,507||7.0||6.7||20,398||7.2||6.9||+109|
|50 to 54||19,689||6.7||6.4||19,775||7.0||6.9||-86|
|55 to 59||18,967||6.5||6.3||18,198||6.4||6.8||+769|
|60 to 64||17,320||5.9||6.2||17,394||6.1||5.9||-74|
|65 to 69||16,675||5.7||5.6||13,375||4.7||4.0||+3,300|
|70 to 74||12,931||4.4||3.9||10,721||3.8||3.1||+2,210|
|75 to 79||10,200||3.5||3.0||8,632||3.0||2.5||+1,568|
|80 to 84||7,531||2.6||2.3||7,574||2.7||2.7||-43|
|85 and over||9,156||3.1||4.3||8,105||2.8||4.1||+1,051|
Please refer to specific data notes for more information
Analysis of the five year age groups of Eastern Region Alliance area in 2016 compared to City of Unley shows that there was a higher proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).
Overall, 16.6% of the population was aged between 0 and 15, and 19.3% were aged 65 years and over, compared with 15.9% and 19.2% respectively for City of Unley.
The major differences between the age structure of Eastern Region Alliance area and City of Unley were:
- A larger percentage of persons aged 70 to 74 (4.4% compared to 3.9%)
- A smaller percentage of persons aged 85 and over (3.1% compared to 4.3%)
- A smaller percentage of persons aged 25 to 29 (6.2% compared to 7.0%)
From 2011 to 2016, Eastern Region Alliance area's population increased by 8,431 people (3.0%). This represents an average annual population change of 0.59% per year over the period.
The largest changes in age structure in this area between 2011 and 2016 were in the age groups:
- 65 to 69 (+3,300 persons)
- 70 to 74 (+2,210 persons)
- 75 to 79 (+1,568 persons)
- 30 to 34 (+1,522 persons)