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City of SydneyCommunity profile

City of Sydney

Five year age groups

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There were 5,806 people with a need for assistance living in the City of Sydney, with largest age group being 85 and over year olds in 2021.

The age structure of the population with a need for assistance is an important indicator of whether the disabilities highlighted are age related or otherwise. Generally need for assistance increases with age, so a comparison with the age structure of the same population in a benchmark area may reveal an older or younger population with significant need for assistance.

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 Sydney's Age Structure for those with a need for assistance should be viewed in conjunction with Dwelling Types, Tenure and Employment Status.

Q:

Derived from the Census question:

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

Five year age groups
City of Sydney - Need for assistance20212011Change
Five year age groups (years)Number%Greater SydneyNumber%Greater Sydney2011 to 2021
0 to 4561.01.5290.71.4+27
5 to 91332.34.3501.23.3+83
10 to 141081.93.9380.93.0+70
15 to 19851.53.0541.32.3+31
20 to 241302.22.3842.01.8+46
25 to 291552.72.01122.71.8+43
30 to 341582.72.0992.41.9+59
35 to 391913.32.11533.62.4+38
40 to 442193.82.62074.93.1+12
45 to 492253.93.22746.54.0-49
50 to 542975.14.03147.55.2-17
55 to 593706.45.23358.05.9+35
60 to 644457.76.63698.87.3+76
65 to 694708.17.73017.26.7+169
70 to 745699.89.33267.87.7+243
75 to 795669.710.044910.79.5+117
80 to 8468511.811.344010.512.1+245
85 and over94416.319.056913.520.4+375
Total persons5,806100.0100.04,203100.0100.0+1,603
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the population needing assistance in the City of Sydney in 2021 compared to Greater Sydney 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, 5.1% of the population needing assistance was aged between 0 and 14, and 55.7% were aged 65 years and over, compared with 9.6% and 57.3% respectively for Greater Sydney.

The major differences between the age structure of the population needing assistance the City of Sydney and Greater Sydney were:

  • A smaller percentage of people aged 85 and over (16.3% compared to 19.0%)
  • A smaller percentage of people aged 10 to 14 (1.9% compared to 3.9%)
  • A smaller percentage of people aged 5 to 9 (2.3% compared to 4.3%)
  • A smaller percentage of people aged 15 to 19 (1.5% compared to 3.0%)

Emerging groups

From 2011 to 2021, City of Sydney's population needing assistance increased by 1,603 people (38.1%). This represents an average annual population change of 3.28% per year over the period.

The largest changes in age structure of the population needing assistance in this area between 2011 and 2021 were in the age groups:

  • 85 and over (+375 persons)
  • 80 to 84 (+245 persons)
  • 70 to 74 (+243 persons)
  • 65 to 69 (+169 persons)

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