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City of KnoxCommunity profile

Wantirna

Service age groups

In 2021, Wantirna had higher proportion of children (under 18) and a higher proportion of persons aged 60 or older than Bayswater.

The Age Structure of Wantirna provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of Wantirna's residential role and function and how it is likely to change in the future.

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

To get a more complete picture Wantirna'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 - Service age groups
Wantirna - Total persons (Enumerated)20211991Change
Service age group (years)Number%Bayswater %Number%Bayswater %1991 to 2021
Babies and pre-schoolers (0 to 4)7705.35.91,1067.66.7-337
Primary schoolers (5 to 11)1,3319.27.82,18614.910.3-856
Secondary schoolers (12 to 17)1,0147.05.81,70111.610.2-688
Tertiary education and independence (18 to 24)1,0587.37.71,4259.713.3-368
Young workforce (25 to 34)1,53210.616.51,86812.815.4-337
Parents and homebuilders (35 to 49)3,00020.821.84,16828.522.2-1,168
Older workers and pre-retirees (50 to 59)1,67311.611.79536.59.7+720
Empty nesters and retirees (60 to 69)1,87613.09.56324.36.0+1,244
Seniors (70 to 84)1,73412.010.65213.65.5+1,212
Elderly aged (85 and over)4453.12.8630.40.8+381
Total14,433100.0100.014,628100.0100.0-196
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 service age groups of Wantirna in 2021 compared to Bayswater shows that there was a higher proportion of people in the younger age groups (0 to 17 years) as well as a higher proportion of people in the older age groups (60+ years).

Overall, 21.6% of the population was aged between 0 and 17, and 28.1% were aged 60 years and over, compared with 19.4% and 22.9% respectively for Bayswater.

The major differences between the age structure of Wantirna and Bayswater were:

  • A larger percentage of 'Empty nesters and retirees' (13.0% compared to 9.5%)
  • A larger percentage of 'Primary schoolers' (9.2% compared to 7.8%)
  • A larger percentage of 'Seniors' (12.0% compared to 10.6%)
  • A smaller percentage of 'Young workforce' (10.6% compared to 16.5%)

Emerging groups

From 1991 to 2021, Wantirna's population decreased by 195 people (1.3%). This represents an average annual population change of -0.04% per year over the period.

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

  • Empty nesters and retirees (60 to 69) (+1,244 people)
  • Seniors (70 to 84) (+1,212 people)
  • Parents and homebuilders (35 to 49) (-1,168 people)
  • Primary schoolers (5 to 11) (-856 people)

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