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LEARN MORE ABOUT .idIn 2021, the largest age group in Growth LGAs in NSW was 35 to 39 year olds. The group that changed the most since 2001 was 35 to 39 year olds, increasing by 41,794 people.
The Age Structure of Growth LGAs in NSW provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Growth LGAs in NSW'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 Growth LGAs in NSW'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 | |||||||
|---|---|---|---|---|---|---|---|
| Growth LGAs in NSW - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | South Australia % | Number | % | South Australia % | 2001 to 2021 |
| 0 to 4 | 101,350 | 7.3 | 5.3 | 75,371 | 8.2 | 6.1 | +25,979 |
| 5 to 9 | 106,803 | 7.7 | 5.8 | 78,956 | 8.6 | 6.7 | +27,846 |
| 10 to 14 | 101,004 | 7.3 | 5.9 | 75,826 | 8.2 | 6.8 | +25,177 |
| 15 to 19 | 89,321 | 6.4 | 5.6 | 73,727 | 8.0 | 6.9 | +15,594 |
| 20 to 24 | 90,597 | 6.5 | 6.1 | 66,590 | 7.2 | 6.2 | +24,006 |
| 25 to 29 | 93,181 | 6.7 | 6.6 | 70,360 | 7.6 | 6.4 | +22,821 |
| 30 to 34 | 103,447 | 7.4 | 6.6 | 72,487 | 7.9 | 7.1 | +30,960 |
| 35 to 39 | 114,813 | 8.3 | 6.7 | 73,019 | 7.9 | 7.5 | +41,794 |
| 40 to 44 | 101,476 | 7.3 | 6.0 | 71,779 | 7.8 | 7.7 | +29,696 |
| 45 to 49 | 91,418 | 6.6 | 6.2 | 64,913 | 7.0 | 7.2 | +26,505 |
| 50 to 54 | 81,639 | 5.9 | 6.5 | 60,737 | 6.6 | 6.9 | +20,902 |
| 55 to 59 | 75,536 | 5.4 | 6.4 | 41,833 | 4.5 | 5.4 | +33,703 |
| 60 to 64 | 67,983 | 4.9 | 6.3 | 29,827 | 3.2 | 4.4 | +38,156 |
| 65 to 69 | 56,762 | 4.1 | 5.7 | 22,240 | 2.4 | 3.8 | +34,521 |
| 70 to 74 | 47,536 | 3.4 | 5.3 | 18,085 | 2.0 | 3.8 | +29,450 |
| 75 to 79 | 30,746 | 2.2 | 3.8 | 13,342 | 1.4 | 3.2 | +17,404 |
| 80 to 84 | 19,209 | 1.4 | 2.6 | 7,697 | 0.8 | 2.1 | +11,512 |
| 85 and over | 16,744 | 1.2 | 2.7 | 5,508 | 0.6 | 1.7 | +11,236 |
| Total population | 1,389,565 | 100.0 | 100.0 | 922,304 | 100.0 | 100.0 | +467,260 |
Dominant groups
Analysis of the five year age groups of Growth LGAs in NSW in 2021 compared to South 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, 22.2% of the population was aged between 0 and 15, and 12.3% were aged 65 years and over, compared with 17.0% and 20.0% respectively for South Australia.
The major differences between the age structure of Growth LGAs in NSW and South Australia were:
- A larger percentage of persons aged 0 to 4 (7.3% compared to 5.3%)
- A larger percentage of persons aged 5 to 9 (7.7% compared to 5.8%)
- A smaller percentage of persons aged 70 to 74 (3.4% compared to 5.3%)
- A smaller percentage of persons aged 65 to 69 (4.1% compared to 5.7%)
Emerging groups
From 2001 to 2021, Growth LGAs in NSW's population increased by 467,261 people (50.7%). This represents an average annual population change of 2.07% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 35 to 39 (+41,794 persons)
- 60 to 64 (+38,156 persons)
- 65 to 69 (+34,521 persons)
- 55 to 59 (+33,703 persons)
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