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City of West TorrensCommunity profile

City of West Torrens

Five year age groups

In 2021, the largest age group in the City of West Torrens was 25 to 29 year olds. The group that changed the most since 1991 was 85 and over year olds, increasing by 1,553 people.

The Age Structure of the City of West Torrens 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 West Torrens'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 West Torrens'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
City of West Torrens - Total persons (Enumerated)20211991Change
Five year age groups (years)Number%Greater Adelaide %Number%Greater Adelaide %1991 to 2021
0 to 43,0295.05.42,5635.16.7+466
5 to 93,0815.05.92,1544.36.9+927
10 to 142,8534.75.92,1894.36.7+664
15 to 192,9424.85.73,6067.17.7-664
20 to 244,7497.86.65,12710.18.2-378
25 to 295,7519.47.04,6779.38.0+1,074
30 to 345,2328.67.04,0228.08.2+1,210
35 to 394,6457.67.03,2506.47.7+1,395
40 to 443,9606.56.32,8485.67.6+1,112
45 to 493,5775.86.32,7625.55.9+815
50 to 543,6856.06.42,5955.14.8+1,090
55 to 593,5075.76.22,5755.14.2+932
60 to 643,1975.25.92,7895.54.4+408
65 to 692,6494.35.23,0926.14.2-443
70 to 742,4163.94.82,3774.73.3+39
75 to 791,9003.13.41,9633.92.6-63
80 to 841,6922.82.41,2002.41.6+492
85 and over2,3073.82.67541.51.1+1,553
Total population61,172100.0100.050,543100.0100.0+10,629
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of the City of West Torrens in 2021 compared to Greater Adelaide shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).

Overall, 14.7% of the population was aged between 0 and 15, and 17.9% were aged 65 years and over, compared with 17.3% and 18.5% respectively for Greater Adelaide.

The major differences between the age structure of the City of West Torrens and Greater Adelaide were:

  • A larger percentage of persons aged 25 to 29 (9.4% compared to 7.0%)
  • A larger percentage of persons aged 30 to 34 (8.6% compared to 7.0%)
  • A larger percentage of persons aged 20 to 24 (7.8% compared to 6.6%)
  • A smaller percentage of persons aged 10 to 14 (4.7% compared to 5.9%)

Emerging groups

From 1991 to 2021, City of West Torrens's population increased by 10,629 people (21.0%). This represents an average annual population change of 0.64% per year over the period.

The largest changes in age structure in this area between 1991 and 2021 were in the age groups:

  • 85 and over (+1,553 persons)
  • 35 to 39 (+1,395 persons)
  • 30 to 34 (+1,210 persons)
  • 40 to 44 (+1,112 persons)

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