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AustraliaCommunity profile

Greater Perth

Five year age groups

In 2021, the largest age group in Greater Perth was 35 to 39 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 25,814 people.

The Age Structure of Greater 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 Greater 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 Greater 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
Greater Perth - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Victoria %Number%Victoria %2016 to 2021
0 to 4129,5986.15.8126,7136.56.3+2,885
5 to 9136,4146.46.2126,8336.56.2+9,581
10 to 14135,2226.46.0116,7816.05.8+18,441
15 to 19123,3155.85.6120,1296.26.0+3,186
20 to 24132,6316.36.3133,4346.97.0-803
25 to 29143,8506.87.3150,3297.77.4-6,479
30 to 34160,0517.67.7156,3528.07.6+3,699
35 to 39163,4357.77.5137,6217.16.8+25,814
40 to 44143,4846.86.6134,9866.96.8+8,498
45 to 49138,5156.56.4134,1956.96.8+4,320
50 to 54136,0516.46.3124,4986.46.4+11,553
55 to 59125,7175.95.9113,0205.86.0+12,697
60 to 64114,4715.45.699,9445.15.4+14,527
65 to 69101,1244.84.988,7704.64.9+12,354
70 to 7488,8284.24.463,5973.33.7+25,231
75 to 7960,8572.93.148,0382.52.8+12,819
80 to 8442,2422.02.233,9601.72.0+8,282
85 and over40,8311.92.234,6521.82.2+6,179
Total population2,116,636100.0100.01,943,852100.0100.0+172,784
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 five year age groups of Greater Perth in 2021 compared to Victoria shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 19.0% of the population was aged between 0 and 15, and 15.8% were aged 65 years and over, compared with 18.0% and 16.8% respectively for Victoria.

The major difference between the age structure of Greater Perth and Victoria is:

  • A smaller percentage of persons aged 25 to 29 (6.8% compared to 7.3%)

Emerging groups

From 2016 to 2021, Greater Perth's population increased by 172,784 people (8.9%). This represents an average annual population change of 1.72% per year over the period.

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

  • 35 to 39 (+25,814 persons)
  • 70 to 74 (+25,231 persons)
  • 10 to 14 (+18,441 persons)
  • 60 to 64 (+14,527 persons)

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