svg rectangle color
AustraliaCommunity profile

We’re continuing to update these pages with data from the 2016 Census. Read more about our updates.

Western Australia

Five year age groups

This topic has been updated with 2016 Census data for all areas. What's this?

There were 42,420 people over the age of 85 living in Western Australia in 2016, with largest age group being 30 to 34 year olds.

The Age Structure of Western Australia provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Western Australia'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 Western Australia's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.


Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Five year age groups
Western Australia - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%Australia %Number%Australia %2011 to 2016
0 to 4161,7276.56.3151,2856.86.6+10,442
5 to 9164,1536.66.4142,8266.46.3+21,327
10 to 14150,8066.16.0146,0356.56.4+4,771
15 to 19149,9976.16.1148,1206.66.5+1,877
20 to 24160,3326.56.7158,9787.16.8+1,354
25 to 29184,9087.57.1167,9437.57.0+16,965
30 to 34194,2677.97.3156,1527.06.8+38,115
35 to 39173,0417.06.7161,4667.27.1+11,575
40 to 44171,9967.06.8166,8007.47.2+5,196
45 to 49172,5207.06.8159,8877.17.0+12,633
50 to 54162,4386.66.5150,3276.76.7+12,111
55 to 59149,8996.16.2133,8446.06.0+16,055
60 to 64132,1455.35.6120,5675.45.6+11,578
65 to 69116,7554.75.186,2613.94.3+30,494
70 to 7482,9113.43.866,2393.03.3+16,672
75 to 7961,5092.52.849,8672.22.5+11,642
80 to 8442,5901.72.038,3201.72.0+4,270
85 and over42,4201.72.134,2681.51.9+8,152
Total population2,474,414100.0100.02,239,185100.0100.0+235,229
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Western Australia in 2016 compared to Australia 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, 19.3% of the population was aged between 0 and 15, and 14.0% were aged 65 years and over, compared with 18.7% and 15.7% respectively for Australia.

The major difference between the age structure of Western Australia and Australia is:

  • A larger percentage of persons aged 30 to 34 (7.9% compared to 7.3%)

Emerging groups

From 2011 to 2016, Western Australia's population increased by 235,229 people (10.5%). This represents an average annual population change of 2.02% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:

  • 30 to 34 (+38,115 persons)
  • 65 to 69 (+30,494 persons)
  • 5 to 9 (+21,327 persons)
  • 25 to 29 (+16,965 persons)

DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.

Please view our Privacy Policy, Terms of use and Legal notices.

ABS Data and the copyright in the ABS Data remains the property of the Australian Bureau of Statistics. The copyright in the way .id has modified, transformed or reconfigured the ABS Data as published on this website remains the property of .id. ABS Data can be accessed from the Australian Bureau of Statistics at ABS data can be used under license - terms published on ABS website. if you have any queries or wish to distribute any ABS data.