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City of PerthCommunity profile

West Perth

Five year age groups

In 2021, the largest age group in West Perth was 30 to 34 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 406 people.

The Age Structure of West Perth provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of West Perth'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 West Perth'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
West Perth - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Central Perth (West) %Number%Central Perth (West) %2001 to 2021
0 to 4993.12.8212.53.1+78
5 to 9722.21.691.11.8+63
10 to 14521.60.860.71.8+46
15 to 19491.51.9323.84.6+17
20 to 242618.18.9779.17.5+184
25 to 2948615.115.311013.011.0+376
30 to 3449515.414.38910.510.5+406
35 to 3936411.310.8738.69.0+291
40 to 442467.68.1667.89.0+180
45 to 491494.66.4617.28.4+88
50 to 541956.16.78610.28.2+109
55 to 591865.86.1576.76.9+129
60 to 641424.45.1566.65.3+86
65 to 691103.43.8242.85.0+86
70 to 741053.33.0242.82.8+81
75 to 79802.52.0212.52.5+59
80 to 84601.91.5192.21.3+41
85 and over652.01.1161.91.2+49
Total population3,216100.0100.0847100.0100.0+2,369
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 five year age groups of West Perth in 2021 compared to Central Perth (West) shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).

Overall, 6.9% of the population was aged between 0 and 15, and 13.1% were aged 65 years and over, compared with 5.2% and 11.4% respectively for Central Perth (West).

The major differences between the age structure of West Perth and Central Perth (West) were:

  • A larger percentage of persons aged 30 to 34 (15.4% compared to 14.3%)
  • A larger percentage of persons aged 85 and over (2.0% compared to 1.1%)
  • A larger percentage of persons aged 10 to 14 (1.6% compared to 0.8%)
  • A smaller percentage of persons aged 45 to 49 (4.6% compared to 6.4%)

Emerging groups

From 2001 to 2021, West Perth's population increased by 2,369 people (279.7%). This represents an average annual population change of 6.9% per year over the period.

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

  • 30 to 34 (+406 persons)
  • 25 to 29 (+376 persons)
  • 35 to 39 (+291 persons)
  • 20 to 24 (+184 persons)

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