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LEARN MORE ABOUT .idIn 2021, the largest age group in Central Australia was 30 to 34 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 988 people.
The Age Structure of Central Australia provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Central Australia'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 Central Australia'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 | |||||||
|---|---|---|---|---|---|---|---|
| Central Australia - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | RDA Northern Territory % | Number | % | RDA Northern Territory % | 2001 to 2021 |
| 0 to 4 | 2,642 | 7.3 | 7.0 | 3,092 | 8.5 | 8.7 | -451 |
| 5 to 9 | 2,597 | 7.2 | 7.2 | 3,248 | 9.0 | 8.9 | -651 |
| 10 to 14 | 2,493 | 6.9 | 6.8 | 3,168 | 8.8 | 8.3 | -676 |
| 15 to 19 | 2,216 | 6.1 | 6.1 | 2,866 | 7.9 | 7.5 | -651 |
| 20 to 24 | 2,262 | 6.3 | 6.8 | 2,924 | 8.1 | 8.1 | -662 |
| 25 to 29 | 3,278 | 9.1 | 9.0 | 3,302 | 9.1 | 9.2 | -25 |
| 30 to 34 | 3,578 | 9.9 | 9.4 | 3,266 | 9.0 | 9.3 | +312 |
| 35 to 39 | 3,076 | 8.5 | 8.3 | 3,158 | 8.7 | 8.7 | -82 |
| 40 to 44 | 2,489 | 6.9 | 7.1 | 2,933 | 8.1 | 7.9 | -445 |
| 45 to 49 | 2,265 | 6.3 | 6.5 | 2,545 | 7.0 | 7.0 | -280 |
| 50 to 54 | 2,257 | 6.3 | 6.4 | 2,030 | 5.6 | 6.0 | +227 |
| 55 to 59 | 2,104 | 5.8 | 5.6 | 1,393 | 3.9 | 3.9 | +711 |
| 60 to 64 | 1,828 | 5.1 | 4.8 | 840 | 2.3 | 2.6 | +988 |
| 65 to 69 | 1,274 | 3.5 | 3.6 | 504 | 1.4 | 1.5 | +770 |
| 70 to 74 | 821 | 2.3 | 2.6 | 396 | 1.1 | 1.1 | +425 |
| 75 to 79 | 417 | 1.2 | 1.4 | 198 | 0.5 | 0.6 | +219 |
| 80 to 84 | 294 | 0.8 | 0.8 | 174 | 0.5 | 0.3 | +120 |
| 85 and over | 208 | 0.6 | 0.5 | 136 | 0.4 | 0.3 | +72 |
| Total population | 36,099 | 100.0 | 100.0 | 36,177 | 100.0 | 100.0 | -78 |
Dominant groups
Analysis of the five year age groups of Central Australia in 2021 compared to the RDA Northern Territory shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 21.4% of the population was aged between 0 and 15, and 8.3% were aged 65 years and over, compared with 21.0% and 8.9% respectively for the RDA Northern Territory.
The major difference between the age structure of Central Australia and the RDA Northern Territory is:
- A smaller percentage of persons aged 20 to 24 (6.3% compared to 6.8%)
Emerging groups
From 2001 to 2021, Central Australia's population decreased by 78 people (0.2%). This represents an average annual population change of -0.01% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 60 to 64 (+988 persons)
- 65 to 69 (+770 persons)
- 55 to 59 (+711 persons)
- 10 to 14 (-676 persons)
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