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City of KnoxCommunity profile

Wantirna

Five year age groups

In 2021, the largest age group in Wantirna was 35 to 39 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 377 people.

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 also an indicator of Wantirna'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 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 - Five year age groups
Wantirna - Total females (Enumerated)20212001Change
Five year age groups (years)Number%Friberg Ward %Number%Friberg Ward %2001 to 2021
0 to 43815.15.33244.48.3+57
5 to 94636.36.03985.58.8+64
10 to 144426.05.96008.27.5-158
15 to 193775.16.47079.76.6-331
20 to 243705.06.05597.76.3-189
25 to 293124.25.24275.98.1-116
30 to 344616.26.33835.39.7+77
35 to 395807.87.34335.99.2+147
40 to 445036.86.96198.58.2-116
45 to 494666.37.877710.77.0-312
50 to 544325.87.46478.97.1-216
55 to 594416.06.63504.84.3+90
60 to 644786.55.52152.93.1+263
65 to 695357.24.91572.22.1+377
70 to 744335.84.92022.81.5+231
75 to 792573.53.51902.61.0+66
80 to 841922.62.41482.00.8+43
85 and over2853.81.71582.20.5+127
Total population7,408100.0100.07,302100.0100.0+105
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the female five year age groups of Wantirna in 2021 compared to Friberg Ward shows that there was a similar proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).

Overall, 17.4% of the female population was aged between 0 and 15, and 23.0% were aged 65 years and over, compared with 17.1% and 17.4% respectively for Friberg Ward.

The major differences between the female age structure of Wantirna and Friberg Ward were:

  • A larger percentage of females aged 65 to 69 (7.2% compared to 4.9%)
  • A larger percentage of females aged 85 and over (3.8% compared to 1.7%)
  • A smaller percentage of females aged 50 to 54 (5.8% compared to 7.4%)
  • A smaller percentage of females aged 45 to 49 (6.3% compared to 7.8%)

Emerging groups

From 2001 to 2021, Wantirna's female population increased by 106 people (1.5%). This represents an average annual population change of 0.07% per year over the period.

The largest changes in female age structure in this area between 2001 and 2021 were in the age groups:

  • 65 to 69 (+377 females)
  • 15 to 19 (-331 females)
  • 45 to 49 (-312 females)
  • 60 to 64 (+263 females)

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