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City of KnoxCommunity profile

City of Knox

Five year age groups

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There were 9,161 people with a need for assistance living in the City of Knox, 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 Knox'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 Knox - Need for assistance20212016Change
Five year age groups (years)Number%VictoriaNumber%Victoria2016 to 2021
0 to 41071.21.31452.01.4-38
5 to 94354.74.63294.43.9+106
10 to 143974.34.43134.23.7+84
15 to 193363.73.32673.63.0+69
20 to 242602.82.52172.92.4+43
25 to 292502.72.31712.32.1+79
30 to 342152.32.21692.32.2+46
35 to 392232.42.31842.52.4+39
40 to 442492.72.72032.73.2+46
45 to 492522.83.32733.74.0-21
50 to 543483.84.23094.24.8+39
55 to 593904.35.03344.55.7+56
60 to 644715.16.24275.86.7+44
65 to 695816.37.05467.47.5+35
70 to 747538.28.85317.27.7+222
75 to 798669.59.56969.49.1+170
80 to 841,13412.411.078110.510.8+353
85 and over1,89420.719.31,52220.519.7+372
Total persons9,161100.0100.07,417100.0100.0+1,744
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 population needing assistance in the City of Knox in 2021 compared to Victoria shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 10.3% of the population needing assistance was aged between 0 and 14, and 57.1% were aged 65 years and over, compared with 10.3% and 55.6% respectively for Victoria.

The major differences between the age structure of the population needing assistance the City of Knox and Victoria were:

  • A larger percentage of people aged 85 and over (20.7% compared to 19.3%)
  • A larger percentage of people aged 80 to 84 (12.4% compared to 11.0%)
  • A smaller percentage of people aged 60 to 64 (5.1% compared to 6.2%)
  • A smaller percentage of people aged 55 to 59 (4.3% compared to 5.0%)

Emerging groups

From 2016 to 2021, City of Knox's population needing assistance increased by 1,744 people (23.5%). This represents an average annual population change of 4.31% per year over the period.

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

  • 85 and over (+372 persons)
  • 80 to 84 (+353 persons)
  • 70 to 74 (+222 persons)
  • 75 to 79 (+170 persons)

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