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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 2011 was 30 to 34 year olds, increasing by 20,929 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 females (Enumerated)20212011Change
Five year age groups (years)Number%Regional NSW %Number%Regional NSW %2011 to 2021
0 to 462,8615.95.355,7866.46.1+7,075
5 to 966,4686.35.852,0536.06.1+14,415
10 to 1465,7036.26.153,7556.26.5+11,948
15 to 1960,2705.75.557,5496.76.4+2,721
20 to 2464,4016.15.262,7297.35.5+1,672
25 to 2970,8986.75.764,0997.45.2+6,799
30 to 3481,2357.76.060,3067.05.3+20,929
35 to 3982,0257.75.962,2227.26.2+19,803
40 to 4471,8356.85.664,3687.46.6+7,467
45 to 4969,3766.66.161,5307.16.9+7,846
50 to 5467,7456.46.357,1996.67.2+10,546
55 to 5962,5695.96.651,2985.96.6+11,271
60 to 6457,7045.46.945,6905.36.4+12,014
65 to 6951,5134.96.432,5623.85.3+18,951
70 to 7445,0284.35.826,4113.14.3+18,617
75 to 7931,2443.04.321,2762.53.5+9,968
80 to 8423,1062.23.017,5842.02.9+5,522
85 and over25,0272.43.318,6622.23.0+6,365
Total population1,059,008100.0100.0865,079100.0100.0+193,929
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 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 Greater Perth in 2021 compared to Regional NSW shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).

Overall, 18.4% of the female population was aged between 0 and 15, and 16.6% were aged 65 years and over, compared with 17.1% and 22.8% respectively for Regional NSW.

The major differences between the female age structure of Greater Perth and Regional NSW were:

  • A larger percentage of females aged 35 to 39 (7.7% compared to 5.9%)
  • A larger percentage of females aged 30 to 34 (7.7% compared to 6.0%)
  • A smaller percentage of females aged 70 to 74 (4.3% compared to 5.8%)
  • A smaller percentage of females aged 65 to 69 (4.9% compared to 6.4%)

Emerging groups

From 2011 to 2021, Greater Perth's female population increased by 193,929 people (22.4%). This represents an average annual population change of 2.04% per year over the period.

The largest changes in female age structure in this area between 2011 and 2021 were in the age groups:

  • 30 to 34 (+20,929 females)
  • 35 to 39 (+19,803 females)
  • 65 to 69 (+18,951 females)
  • 70 to 74 (+18,617 females)

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