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City of UnleyCommunity profile

City of Unley

Five year age groups

In 2021, the largest age group in the City of Unley was 40 to 44 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 684 people.

The Age Structure of the City of Unley 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 Unley'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 Unley'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 Unley - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Parkside Ward %Number%Parkside Ward %2016 to 2021
0 to 41,6814.34.41,7614.74.6-80
5 to 92,0605.35.72,1615.75.6-101
10 to 142,2625.96.82,0605.55.8+202
15 to 192,0905.45.12,1955.85.6-105
20 to 242,3866.25.72,5696.86.4-183
25 to 292,4346.36.92,6337.07.3-199
30 to 342,3576.15.82,4746.67.4-117
35 to 392,4866.47.42,4066.46.8+80
40 to 442,5586.67.92,5276.77.2+31
45 to 492,5496.67.32,5456.77.4+4
50 to 542,5366.66.12,4296.46.4+107
55 to 592,3286.05.42,3726.36.1-44
60 to 642,3566.15.92,3556.25.8+1
65 to 692,2565.85.42,1235.65.4+133
70 to 742,1445.54.91,4603.93.6+684
75 to 791,4933.93.31,1383.03.0+355
80 to 841,1052.92.58672.32.0+238
85 and over1,5724.13.41,6374.33.6-65
Total population38,653100.0100.037,712100.0100.0+941
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 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 Unley in 2021 compared to Parkside Ward shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 15.5% of the population was aged between 0 and 15, and 22.2% were aged 65 years and over, compared with 17.0% and 19.6% respectively for Parkside Ward.

The major differences between the age structure of the City of Unley and Parkside Ward were:

  • A smaller percentage of persons aged 40 to 44 (6.6% compared to 7.9%)
  • A smaller percentage of persons aged 35 to 39 (6.4% compared to 7.4%)
  • A smaller percentage of persons aged 10 to 14 (5.9% compared to 6.8%)
  • A smaller percentage of persons aged 45 to 49 (6.6% compared to 7.3%)

Emerging groups

From 2016 to 2021, City of Unley's population increased by 941 people (2.5%). This represents an average annual population change of 0.49% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 70 to 74 (+684 persons)
  • 75 to 79 (+355 persons)
  • 80 to 84 (+238 persons)
  • 10 to 14 (+202 persons)

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