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LEARN MORE ABOUT .idIn 2021, the largest age group in Growth LGAs in SA was 25 to 29 year olds. The group that changed the most since 2011 was 30 to 34 year olds, increasing by 1,919 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 females (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | National Growth Areas Alliance (NGAA) % | Number | % | National Growth Areas Alliance (NGAA) % | 2011 to 2021 |
| 0 to 4 | 4,955 | 7.1 | 6.9 | 4,282 | 7.8 | 7.6 | +673 |
| 5 to 9 | 5,076 | 7.2 | 7.4 | 3,736 | 6.8 | 7.1 | +1,340 |
| 10 to 14 | 4,842 | 6.9 | 6.9 | 3,968 | 7.2 | 7.1 | +874 |
| 15 to 19 | 4,124 | 5.9 | 6.0 | 4,027 | 7.3 | 7.1 | +97 |
| 20 to 24 | 4,651 | 6.6 | 6.1 | 4,026 | 7.3 | 6.7 | +625 |
| 25 to 29 | 5,321 | 7.6 | 6.8 | 3,864 | 7.0 | 7.1 | +1,457 |
| 30 to 34 | 5,300 | 7.5 | 8.0 | 3,381 | 6.1 | 7.2 | +1,919 |
| 35 to 39 | 4,938 | 7.0 | 8.2 | 3,722 | 6.8 | 7.6 | +1,216 |
| 40 to 44 | 4,059 | 5.8 | 6.9 | 3,925 | 7.1 | 7.6 | +134 |
| 45 to 49 | 4,190 | 6.0 | 6.5 | 3,923 | 7.1 | 7.1 | +267 |
| 50 to 54 | 4,285 | 6.1 | 6.1 | 3,573 | 6.5 | 6.4 | +712 |
| 55 to 59 | 4,169 | 5.9 | 5.5 | 2,973 | 5.4 | 5.6 | +1,196 |
| 60 to 64 | 3,810 | 5.4 | 5.0 | 2,644 | 4.8 | 5.0 | +1,166 |
| 65 to 69 | 3,159 | 4.5 | 4.3 | 2,060 | 3.7 | 3.5 | +1,099 |
| 70 to 74 | 2,679 | 3.8 | 3.7 | 1,690 | 3.1 | 2.6 | +989 |
| 75 to 79 | 1,881 | 2.7 | 2.5 | 1,348 | 2.4 | 1.9 | +533 |
| 80 to 84 | 1,377 | 2.0 | 1.6 | 1,087 | 2.0 | 1.5 | +290 |
| 85 and over | 1,413 | 2.0 | 1.6 | 911 | 1.7 | 1.4 | +502 |
| Total population | 70,229 | 100.0 | 100.0 | 55,140 | 100.0 | 100.0 | +15,089 |
Dominant groups
Analysis of the female 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 females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).
Overall, 21.2% of the female population was aged between 0 and 15, and 15.0% were aged 65 years and over, compared with 21.2% and 13.7% respectively for National Growth Areas Alliance (NGAA).
The major differences between the female age structure of Growth LGAs in SA and National Growth Areas Alliance (NGAA) were:
- A larger percentage of females aged 25 to 29 (7.6% compared to 6.8%)
- A larger percentage of females aged 20 to 24 (6.6% compared to 6.1%)
- A smaller percentage of females aged 35 to 39 (7.0% compared to 8.2%)
- A smaller percentage of females aged 40 to 44 (5.8% compared to 6.9%)
Emerging groups
From 2011 to 2021, Growth LGAs in SA's female population increased by 15,089 people (27.4%). This represents an average annual population change of 2.45% per year over the period.
The largest changes in female age structure in this area between 2011 and 2021 were in the age groups:
- 30 to 34 (+1,919 females)
- 25 to 29 (+1,457 females)
- 5 to 9 (+1,340 females)
- 35 to 39 (+1,216 females)
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