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LEARN MORE ABOUT .idIn 2021, the largest age group in Wollongong City was 20 to 24 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 1,585 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 (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Regional NSW % | Number | % | Regional NSW % | 2016 to 2021 |
| 0 to 4 | 12,083 | 5.6 | 5.5 | 12,034 | 5.9 | 5.8 | +49 |
| 5 to 9 | 12,688 | 5.9 | 6.1 | 12,646 | 6.2 | 6.4 | +42 |
| 10 to 14 | 12,932 | 6.0 | 6.3 | 11,877 | 5.8 | 6.1 | +1,055 |
| 15 to 19 | 13,032 | 6.1 | 5.7 | 13,007 | 6.4 | 6.0 | +25 |
| 20 to 24 | 15,784 | 7.4 | 5.4 | 15,523 | 7.6 | 5.6 | +261 |
| 25 to 29 | 14,450 | 6.7 | 5.7 | 13,356 | 6.6 | 5.5 | +1,094 |
| 30 to 34 | 13,971 | 6.5 | 5.9 | 12,678 | 6.2 | 5.5 | +1,293 |
| 35 to 39 | 13,580 | 6.3 | 5.9 | 12,455 | 6.1 | 5.4 | +1,125 |
| 40 to 44 | 13,176 | 6.1 | 5.6 | 13,387 | 6.6 | 6.1 | -211 |
| 45 to 49 | 13,780 | 6.4 | 6.1 | 13,027 | 6.4 | 6.4 | +753 |
| 50 to 54 | 13,057 | 6.1 | 6.2 | 13,431 | 6.6 | 6.8 | -374 |
| 55 to 59 | 13,285 | 6.2 | 6.6 | 12,971 | 6.4 | 7.1 | +314 |
| 60 to 64 | 12,785 | 6.0 | 6.9 | 11,306 | 5.6 | 6.7 | +1,479 |
| 65 to 69 | 10,980 | 5.1 | 6.4 | 10,348 | 5.1 | 6.4 | +632 |
| 70 to 74 | 9,926 | 4.6 | 5.9 | 8,341 | 4.1 | 5.0 | +1,585 |
| 75 to 79 | 7,601 | 3.5 | 4.3 | 6,783 | 3.3 | 3.7 | +818 |
| 80 to 84 | 5,710 | 2.7 | 2.9 | 5,209 | 2.6 | 2.6 | +501 |
| 85 and over | 5,754 | 2.7 | 2.8 | 5,253 | 2.6 | 2.7 | +501 |
| Total population | 214,574 | 100.0 | 100.0 | 203,632 | 100.0 | 100.0 | +10,942 |
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 18.6% were aged 65 years and over, compared with 17.9% and 22.2% 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 (7.4% 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 6.4%)
- A smaller percentage of persons aged 70 to 74 (4.6% compared to 5.9%)
Emerging groups
From 2016 to 2021, Wollongong City's population increased by 10,942 people (5.4%). This represents an average annual population change of 1.05% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+1,585 persons)
- 60 to 64 (+1,479 persons)
- 30 to 34 (+1,293 persons)
- 35 to 39 (+1,125 persons)
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