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City of Tea Tree GullyCommunity profile

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City of Tea Tree Gully

Service age groups

This topic has been updated with 2016 Census data for all areas. What's this?

The City of Tea Tree Gully had a similar proportion of pre-schoolers and a higher proportion of persons at post retirement age than Greater Adelaide in 2016.

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 an indicator of the City of Tea Tree Gully's residential role and function and how it is likely to change in the future.

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

To get a more complete picture the City of Tea Tree Gully's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.


Derived from the Census question:

'What is the person's date of birth or age?'

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the service 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 (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 21.3% of the population was aged between 0 and 17, and 24.4% were aged 60 years and over, compared with 21.0% and 23.0% 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 'Empty nesters and retirees (60 to 69)' (12.2% compared to 11.1%)
  • A larger percentage of 'Seniors (70 to 84)' (10.0% compared to 9.3%)
  • A smaller percentage of 'Young workforce (25 to 34)' (12.2% compared to 13.8%)
  • A smaller percentage of 'Tertiary education and independence (18 to 24)' (8.4% compared to 9.5%)

Emerging groups

From 2011 to 2016, City of Tea Tree Gully's population increased by 2,269 people (2.4%). This represents an average annual population change of 0.47% per year over the period.

The largest changes in the age structure in this area between 2011 and 2016 were in the age groups:

  • Seniors (70 to 84) (+2,095 people)
  • Empty nesters and retirees (60 to 69) (+940 people)
  • Parents and homebuilders (35 to 49) (-892 people)
  • Secondary schoolers (12 to 17) (-446 people)

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