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AustraliaCommunity profile

New South Wales

Five year age groups

In 2021, the largest age group in New South Wales was 30 to 34 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 38,437 people.

The Age Structure of New South Wales provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of New South Wales'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 New South Wales'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
New South Wales - Total males (Usual residence)20212016Change
Five year age groups (years)Number%Victoria %Number%Victoria %2016 to 2021
0 to 4240,7126.06.0238,8596.56.6+1,853
5 to 9257,4396.56.5245,2086.76.5+12,231
10 to 14257,4406.56.3227,8846.26.0+29,556
15 to 19236,1485.95.8230,1036.26.3+6,045
20 to 24254,8086.46.6248,4906.77.2+6,318
25 to 29278,1457.07.5260,5827.17.5+17,563
30 to 34286,0437.27.6265,9837.27.6+20,060
35 to 39285,3347.27.5247,3606.76.9+37,974
40 to 44258,8546.56.6246,9036.76.7+11,951
45 to 49253,5916.46.4239,5996.56.7+13,992
50 to 54243,5676.16.2238,8596.56.3+4,708
55 to 59240,3446.05.8228,7776.26.0+11,567
60 to 64228,3355.75.5204,2855.55.3+24,050
65 to 69200,4775.04.8188,3635.14.8+12,114
70 to 74180,5394.54.2142,1023.93.6+38,437
75 to 79128,0593.23.0102,0282.82.6+26,031
80 to 8483,2542.12.068,8821.91.8+14,372
85 and over71,0741.81.761,7531.71.6+9,321
Total population3,984,163100.0100.03,686,020100.0100.0+298,143
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 male five year age groups of New South Wales in 2021 compared to Victoria shows that there was a similar proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).

Overall, 19.0% of the male population was aged between 0 and 15, and 16.7% were aged 65 years and over, compared with 18.8% and 15.7% respectively for Victoria.

The major difference between the male age structure of New South Wales and Victoria is:

  • A smaller percentage of males aged 25 to 29 (7.0% compared to 7.5%)

Emerging groups

From 2016 to 2021, New South Wales's male population increased by 298,143 people (8.1%). This represents an average annual population change of 1.57% per year over the period.

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

  • 70 to 74 (+38,437 males)
  • 35 to 39 (+37,974 males)
  • 10 to 14 (+29,556 males)
  • 75 to 79 (+26,031 males)

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