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City of Tea Tree Gully

Five year age groups

There were 1,651 people over the age of 85 living in the City of Tea Tree Gully in 2011, 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.

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 last birthday)?'

Total population

Age structure - Five year age groups
City of Tea Tree Gully - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%Greater Adelaide %Number%Greater Adelaide %2006 to 2011
0 to 45,5255.86.05,5445.85.7-19
5 to 95,6085.95.76,2116.56.0-603
10 to 146,0636.46.06,7027.06.4-639
15 to 196,5616.96.66,9247.26.8-363
20 to 245,9526.27.16,5056.87.1-553
25 to 295,8406.17.05,5555.86.2+285
30 to 345,6866.06.46,3086.66.6-622
35 to 396,4196.76.77,0547.47.2-635
40 to 447,0857.47.17,3317.67.4-246
45 to 497,1237.57.17,2697.67.4-146
50 to 546,7917.16.96,9777.36.8-186
55 to 596,4546.86.26,8947.26.5-440
60 to 646,2696.65.85,1905.44.9+1,079
65 to 694,7355.04.43,6913.83.9+1,044
70 to 743,3583.53.42,8232.93.3+535
75 to 792,4922.62.82,2742.43.2+218
80 to 841,8471.92.41,6241.72.6+223
85 and over1,6511.72.41,0961.12.1+555

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - five year age groups, 2011
Age structure - five year age groups, 2011 85 and over, Greater Adelaide: 2.4% 80 to 84, Greater Adelaide: 2.4% 75 to 79, Greater Adelaide: 2.8% 70 to 74, Greater Adelaide: 3.4% 65 to 69, Greater Adelaide: 4.4% 60 to 64, Greater Adelaide: 5.8% 55 to 59, Greater Adelaide: 6.2% 50 to 54, Greater Adelaide: 6.9% 45 to 49, Greater Adelaide: 7.1% 40 to 44, Greater Adelaide: 7.1% 35 to 39, Greater Adelaide: 6.7% 30 to 34, Greater Adelaide: 6.4% 25 to 29, Greater Adelaide: 7.0% 20 to 24, Greater Adelaide: 7.1% 15 to 19, Greater Adelaide: 6.6% 10 to 14, Greater Adelaide: 6.0% 5 to 9, Greater Adelaide: 5.7% 0 to 4, Greater Adelaide: 6.0% 85 and over, City of Tea Tree Gully: 1.7% 80 to 84, City of Tea Tree Gully: 1.9% 75 to 79, City of Tea Tree Gully: 2.6% 70 to 74, City of Tea Tree Gully: 3.5% 65 to 69, City of Tea Tree Gully: 5.0% 60 to 64, City of Tea Tree Gully: 6.6% 55 to 59, City of Tea Tree Gully: 6.8% 50 to 54, City of Tea Tree Gully: 7.1% 45 to 49, City of Tea Tree Gully: 7.5% 40 to 44, City of Tea Tree Gully: 7.4% 35 to 39, City of Tea Tree Gully: 6.7% 30 to 34, City of Tea Tree Gully: 6.0% 25 to 29, City of Tea Tree Gully: 6.1% 20 to 24, City of Tea Tree Gully: 6.2% 15 to 19, City of Tea Tree Gully: 6.9% 10 to 14, City of Tea Tree Gully: 6.4% 5 to 9, City of Tea Tree Gully: 5.9% 0 to 4, City of Tea Tree Gully: 5.8%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - five year age groups, 2006 to 2011
Change in age structure - five year age groups, 2006 to 2011 85 and over, City of Tea Tree Gully: +555 80 to 84, City of Tea Tree Gully: +223 75 to 79, City of Tea Tree Gully: +218 70 to 74, City of Tea Tree Gully: +535 65 to 69, City of Tea Tree Gully: +1,044 60 to 64, City of Tea Tree Gully: +1,079 55 to 59, City of Tea Tree Gully: -440 50 to 54, City of Tea Tree Gully: -186 45 to 49, City of Tea Tree Gully: -146 40 to 44, City of Tea Tree Gully: -246 35 to 39, City of Tea Tree Gully: -635 30 to 34, City of Tea Tree Gully: -622 25 to 29, City of Tea Tree Gully: +285 20 to 24, City of Tea Tree Gully: -553 15 to 19, City of Tea Tree Gully: -363 10 to 14, City of Tea Tree Gully: -639 5 to 9, City of Tea Tree Gully: -603 0 to 4, City of Tea Tree Gully: -19
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the five year age groups of the City of Tea Tree Gully in 2011 compared to Greater Adelaide shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 18.0% of the population was aged between 0 and 15, and 14.8% were aged 65 years and over, compared with 17.7% and 15.5% 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 60 to 64 (6.6% compared to 5.8%)
  • A smaller percentage of persons aged 20 to 24 (6.2% compared to 7.1%)
  • A smaller percentage of persons aged 25 to 29 (6.1% compared to 7.0%)
  • A smaller percentage of persons aged 85 and over (1.7% compared to 2.4%)

Emerging groups

From 2006 to 2011, City of Tea Tree Gully's population decreased by 513 people (0.5%). This represents an average annual population change of -0.11% per year over the period.

The largest changes in age structure in this area between 2006 and 2011 were in the age groups:

  • 60 to 64 (+1,079 persons)
  • 65 to 69 (+1,044 persons)
  • 10 to 14 (-639 persons)
  • 35 to 39 (-635 persons)