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LEARN MORE ABOUT .idIn 2021, the largest age group in Growth LGAs in SA was 5 to 9 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 2,223 people.
The Age Structure of Growth LGAs in SA 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 SA'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 SA'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 SA - Total persons (Enumerated) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | National Growth Areas Alliance (NGAA) % | Number | % | National Growth Areas Alliance (NGAA) % | 2016 to 2021 |
| 0 to 4 | 9,961 | 7.3 | 7.3 | 9,714 | 8.0 | 7.7 | +247 |
| 5 to 9 | 10,412 | 7.6 | 7.7 | 9,371 | 7.7 | 7.7 | +1,041 |
| 10 to 14 | 9,922 | 7.2 | 7.2 | 8,101 | 6.7 | 6.9 | +1,821 |
| 15 to 19 | 8,522 | 6.2 | 6.3 | 8,281 | 6.8 | 6.7 | +241 |
| 20 to 24 | 9,161 | 6.7 | 6.3 | 8,754 | 7.2 | 6.7 | +407 |
| 25 to 29 | 10,397 | 7.6 | 6.8 | 8,921 | 7.3 | 7.0 | +1,476 |
| 30 to 34 | 10,097 | 7.4 | 7.7 | 8,513 | 7.0 | 7.7 | +1,584 |
| 35 to 39 | 9,587 | 7.0 | 8.1 | 7,364 | 6.1 | 7.3 | +2,223 |
| 40 to 44 | 7,982 | 5.8 | 7.0 | 7,565 | 6.2 | 7.1 | +417 |
| 45 to 49 | 8,086 | 5.9 | 6.4 | 7,889 | 6.5 | 6.8 | +197 |
| 50 to 54 | 8,275 | 6.0 | 6.0 | 7,977 | 6.6 | 6.2 | +298 |
| 55 to 59 | 8,129 | 5.9 | 5.5 | 7,314 | 6.0 | 5.6 | +815 |
| 60 to 64 | 7,312 | 5.3 | 4.9 | 5,916 | 4.9 | 4.8 | +1,396 |
| 65 to 69 | 5,994 | 4.4 | 4.1 | 5,139 | 4.2 | 4.2 | +855 |
| 70 to 74 | 5,102 | 3.7 | 3.5 | 3,801 | 3.1 | 2.9 | +1,301 |
| 75 to 79 | 3,499 | 2.6 | 2.4 | 2,856 | 2.4 | 2.0 | +643 |
| 80 to 84 | 2,442 | 1.8 | 1.5 | 2,084 | 1.7 | 1.3 | +358 |
| 85 and over | 2,333 | 1.7 | 1.3 | 1,952 | 1.6 | 1.2 | +381 |
| Total population | 137,213 | 100.0 | 100.0 | 121,512 | 100.0 | 100.0 | +15,701 |
Dominant groups
Analysis of the five year age groups of Growth LGAs in SA in 2021 compared to National Growth Areas Alliance (NGAA) shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 22.1% of the population was aged between 0 and 15, and 14.1% were aged 65 years and over, compared with 22.2% and 12.9% respectively for National Growth Areas Alliance (NGAA).
The major differences between the age structure of Growth LGAs in SA and National Growth Areas Alliance (NGAA) were:
- A larger percentage of persons aged 25 to 29 (7.6% compared to 6.8%)
- A smaller percentage of persons aged 40 to 44 (5.8% compared to 7.0%)
- A smaller percentage of persons aged 35 to 39 (7.0% compared to 8.1%)
- A smaller percentage of persons aged 45 to 49 (5.9% compared to 6.4%)
Emerging groups
From 2016 to 2021, Growth LGAs in SA's population increased by 15,701 people (12.9%). This represents an average annual population change of 2.46% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 35 to 39 (+2,223 persons)
- 10 to 14 (+1,821 persons)
- 30 to 34 (+1,584 persons)
- 25 to 29 (+1,476 persons)
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