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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Tea Tree Gully was 35 to 39 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 566 people.
The Age Structure of the City of Tea Tree Gully provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the City of Tea Tree Gully'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 the City of Tea Tree Gully'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 | |||||||
|---|---|---|---|---|---|---|---|
| City of Tea Tree Gully - Total females (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Campbelltown City % | Number | % | Campbelltown City % | 2016 to 2021 |
| 0 to 4 | 2,544 | 4.9 | 4.7 | 2,730 | 5.5 | 4.9 | -186 |
| 5 to 9 | 2,967 | 5.8 | 5.2 | 2,828 | 5.7 | 5.3 | +139 |
| 10 to 14 | 2,980 | 5.8 | 5.2 | 2,779 | 5.6 | 4.7 | +201 |
| 15 to 19 | 2,756 | 5.4 | 4.8 | 2,968 | 5.9 | 5.7 | -212 |
| 20 to 24 | 2,762 | 5.4 | 6.0 | 2,805 | 5.6 | 5.9 | -43 |
| 25 to 29 | 2,802 | 5.4 | 6.4 | 2,845 | 5.7 | 6.0 | -43 |
| 30 to 34 | 3,213 | 6.2 | 7.0 | 3,204 | 6.4 | 6.4 | +9 |
| 35 to 39 | 3,549 | 6.9 | 7.1 | 3,181 | 6.4 | 6.4 | +368 |
| 40 to 44 | 3,268 | 6.4 | 6.4 | 3,285 | 6.6 | 6.2 | -17 |
| 45 to 49 | 3,300 | 6.4 | 6.1 | 3,575 | 7.2 | 7.2 | -275 |
| 50 to 54 | 3,450 | 6.7 | 6.5 | 3,454 | 6.9 | 6.6 | -4 |
| 55 to 59 | 3,360 | 6.5 | 6.0 | 3,448 | 6.9 | 6.3 | -88 |
| 60 to 64 | 3,244 | 6.3 | 5.8 | 3,202 | 6.4 | 5.3 | +42 |
| 65 to 69 | 3,075 | 6.0 | 5.0 | 3,113 | 6.2 | 5.7 | -38 |
| 70 to 74 | 2,974 | 5.8 | 5.2 | 2,408 | 4.8 | 5.2 | +566 |
| 75 to 79 | 2,206 | 4.3 | 4.5 | 1,646 | 3.3 | 4.6 | +560 |
| 80 to 84 | 1,477 | 2.9 | 3.8 | 1,171 | 2.3 | 3.5 | +306 |
| 85 and over | 1,492 | 2.9 | 4.1 | 1,283 | 2.6 | 4.0 | +209 |
| Total population | 51,419 | 100.0 | 100.0 | 49,925 | 100.0 | 100.0 | +1,494 |
Dominant groups
Analysis of the female five year age groups of the City of Tea Tree Gully in 2021 compared to Campbelltown City shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 16.5% of the female population was aged between 0 and 15, and 21.8% were aged 65 years and over, compared with 15.1% and 22.7% respectively for Campbelltown City.
The major differences between the female age structure of the City of Tea Tree Gully and Campbelltown City were:
- A larger percentage of females aged 65 to 69 (6.0% compared to 5.0%)
- A smaller percentage of females aged 85 and over (2.9% compared to 4.1%)
- A smaller percentage of females aged 25 to 29 (5.4% compared to 6.4%)
- A smaller percentage of females aged 80 to 84 (2.9% compared to 3.8%)
Emerging groups
From 2016 to 2021, City of Tea Tree Gully's female population increased by 1,494 people (3.0%). This represents an average annual population change of 0.59% per year over the period.
The largest changes in female age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+566 females)
- 75 to 79 (+560 females)
- 35 to 39 (+368 females)
- 80 to 84 (+306 females)
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