There were 2,080 people over the age of 85 living in the City of Tea Tree Gully in 2016, with largest age group being 45 to 49 year olds.
The Age Structure of the City of Tea Tree Gully 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 Tea Tree Gully'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|
|City of Tea Tree Gully - Total persons (Usual residence)||2016||2011||Change|
|Five year age groups (years)||Number||%||Greater Adelaide %||Number||%||Greater Adelaide %||2011 to 2016|
|0 to 4||5,539||5.7||5.9||5,525||5.8||6.0||+14|
|5 to 9||5,827||6.0||6.0||5,608||5.9||5.7||+219|
|10 to 14||5,809||5.9||5.6||6,063||6.4||6.0||-254|
|15 to 19||6,119||6.3||6.1||6,561||6.9||6.6||-442|
|20 to 24||5,761||5.9||6.9||5,952||6.2||7.1||-191|
|25 to 29||5,608||5.7||6.8||5,840||6.1||7.0||-232|
|30 to 34||6,288||6.4||7.0||5,686||6.0||6.4||+602|
|35 to 39||6,302||6.4||6.4||6,419||6.7||6.7||-117|
|40 to 44||6,487||6.6||6.5||7,085||7.4||7.1||-598|
|45 to 49||6,950||7.1||6.8||7,123||7.5||7.1||-173|
|50 to 54||6,751||6.9||6.6||6,791||7.1||6.9||-40|
|55 to 59||6,476||6.6||6.4||6,454||6.8||6.2||+22|
|60 to 64||6,018||6.2||5.7||6,269||6.6||5.8||-251|
|65 to 69||5,926||6.1||5.3||4,735||5.0||4.4||+1,191|
|70 to 74||4,499||4.6||4.0||3,358||3.5||3.4||+1,141|
|75 to 79||3,168||3.2||3.0||2,492||2.6||2.8||+676|
|80 to 84||2,124||2.2||2.3||1,847||1.9||2.4||+277|
|85 and over||2,080||2.1||2.6||1,651||1.7||2.4||+429|
Please refer to specific data notes for more information
Analysis of the five year age groups of the City of Tea Tree Gully in 2016 compared to Greater Adelaide shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 17.6% of the population was aged between 0 and 15, and 18.2% were aged 65 years and over, compared with 17.4% and 17.2% respectively for Greater Adelaide.
The major differences between the age structure of the City of Tea Tree Gully and Greater Adelaide were:
- A larger percentage of persons aged 65 to 69 (6.1% compared to 5.3%)
- A larger percentage of persons aged 70 to 74 (4.6% compared to 4.0%)
- A smaller percentage of persons aged 25 to 29 (5.7% compared to 6.8%)
- A smaller percentage of persons aged 20 to 24 (5.9% compared to 6.9%)
From 2011 to 2016, City of Tea Tree Gully's population increased by 2,273 people (2.4%). This represents an average annual population change of 0.47% 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 (+1,191 persons)
- 70 to 74 (+1,141 persons)
- 75 to 79 (+676 persons)
- 30 to 34 (+602 persons)