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Wollongong City CouncilCommunity profile

Wollongong City

Five year age groups

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In 2021, the largest age group in Wollongong City was 20 to 24 year olds. The group that changed the most since 1996 was 60 to 64 year olds, increasing by 4,980 people.

The Age Structure of Wollongong City provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Wollongong City'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 Wollongong City'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
Wollongong City - Total persons (Enumerated)20211996Change
Five year age groups (years)Number%Regional NSW %Number%Regional NSW %1996 to 2021
0 to 412,0985.75.512,4107.07.3-312
5 to 912,6455.96.112,0546.87.7+591
10 to 1412,8936.06.312,1036.97.7+790
15 to 1912,8706.05.812,6257.26.8+245
20 to 2415,4657.25.414,5088.26.3+957
25 to 2914,3546.75.712,8277.36.3+1,527
30 to 3413,9196.55.913,6087.77.1+311
35 to 3913,5716.45.913,3137.67.7+258
40 to 4413,1446.25.612,1066.97.2+1,038
45 to 4913,7386.46.111,6346.66.8+2,104
50 to 5413,0366.16.39,5645.45.5+3,472
55 to 5913,2416.26.68,5204.84.8+4,721
60 to 6412,6665.96.97,6864.44.5+4,980
65 to 6910,8855.16.37,6814.44.6+3,204
70 to 749,8444.65.86,6273.84.0+3,217
75 to 797,5673.54.24,4742.52.7+3,093
80 to 845,7292.72.92,7781.61.7+2,951
85 and over5,7982.72.71,6951.01.2+4,103
Total population213,463100.0100.0176,213100.0100.0+37,250
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 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 Wollongong City in 2021 compared to Regional NSW shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 17.6% of the population was aged between 0 and 15, and 18.7% were aged 65 years and over, compared with 17.9% and 22.0% respectively for Regional NSW.

The major differences between the age structure of Wollongong City and Regional NSW were:

  • A larger percentage of persons aged 20 to 24 (7.2% compared to 5.4%)
  • A larger percentage of persons aged 25 to 29 (6.7% compared to 5.7%)
  • A smaller percentage of persons aged 65 to 69 (5.1% compared to 6.3%)
  • A smaller percentage of persons aged 70 to 74 (4.6% compared to 5.8%)

Emerging groups

From 1996 to 2021, Wollongong City's population increased by 37,250 people (21.1%). This represents an average annual population change of 0.77% per year over the period.

The largest changes in age structure in this area between 1996 and 2021 were in the age groups:

  • 60 to 64 (+4,980 persons)
  • 55 to 59 (+4,721 persons)
  • 85 and over (+4,103 persons)
  • 50 to 54 (+3,472 persons)

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