In 2021, the largest age group in Randwick City was 30 to 34 year olds. The group that changed the most since 2016 was 20 to 24 year olds, decreasing by 5,486 people.
The Age Structure of Randwick 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 Randwick 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 Randwick City's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
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| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Randwick City - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Georges River Council area % | Number | % | Georges River Council area % | 2016 to 2021 |
| 0 to 4 | 6,832 | 5.1 | 5.0 | 7,645 | 5.4 | 5.8 | -813 |
| 5 to 9 | 6,965 | 5.2 | 5.5 | 7,225 | 5.1 | 5.6 | -260 |
| 10 to 14 | 6,868 | 5.1 | 5.4 | 6,089 | 4.3 | 5.3 | +779 |
| 15 to 19 | 6,677 | 5.0 | 5.3 | 8,150 | 5.8 | 6.1 | -1,473 |
| 20 to 24 | 9,497 | 7.1 | 7.6 | 14,983 | 10.7 | 7.6 | -5,486 |
| 25 to 29 | 12,182 | 9.1 | 8.0 | 13,854 | 9.8 | 8.7 | -1,672 |
| 30 to 34 | 12,393 | 9.2 | 7.5 | 12,714 | 9.0 | 7.9 | -321 |
| 35 to 39 | 10,734 | 8.0 | 7.2 | 11,109 | 7.9 | 6.6 | -375 |
| 40 to 44 | 9,613 | 7.2 | 6.3 | 9,887 | 7.0 | 6.5 | -274 |
| 45 to 49 | 9,051 | 6.7 | 6.3 | 8,940 | 6.4 | 6.5 | +111 |
| 50 to 54 | 8,412 | 6.3 | 6.2 | 8,065 | 5.7 | 6.6 | +347 |
| 55 to 59 | 7,566 | 5.6 | 6.3 | 7,033 | 5.0 | 6.1 | +533 |
| 60 to 64 | 6,521 | 4.9 | 5.9 | 6,065 | 4.3 | 5.2 | +456 |
| 65 to 69 | 5,618 | 4.2 | 4.9 | 5,439 | 3.9 | 4.5 | +179 |
| 70 to 74 | 5,044 | 3.8 | 4.2 | 4,325 | 3.1 | 3.4 | +719 |
| 75 to 79 | 3,987 | 3.0 | 3.1 | 3,376 | 2.4 | 2.7 | +611 |
| 80 to 84 | 2,922 | 2.2 | 2.3 | 2,595 | 1.8 | 2.2 | +327 |
| 85 and over | 3,371 | 2.5 | 2.8 | 3,181 | 2.3 | 2.6 | +190 |
| Total population | 134,253 | 100.0 | 100.0 | 140,675 | 100.0 | 100.0 | -6,422 |
Analysis of the five year age groups of Randwick City in 2021 compared to Georges River Council area shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 15.4% of the population was aged between 0 and 15, and 15.6% were aged 65 years and over, compared with 15.9% and 17.3% respectively for Georges River Council area.
The major differences between the age structure of Randwick City and Georges River Council area were:
From 2016 to 2021, Randwick City's population decreased by 6,422 people (4.6%). This represents an average annual population change of -0.93% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
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