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LEARN MORE ABOUT .idIn 2021, the largest age group in West Arnhem Regional Council LGA was 25 to 29 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 340 people.
The Age Structure of West Arnhem Regional Council LGA provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of West Arnhem Regional Council LGA'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 West Arnhem Regional Council LGA'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 | |||||||
|---|---|---|---|---|---|---|---|
| West Arnhem Regional Council LGA - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | RDA Northern Territory % | Number | % | RDA Northern Territory % | 1991 to 2021 |
| 0 to 4 | 487 | 6.0 | 6.4 | 628 | 10.0 | 9.4 | -142 |
| 5 to 9 | 620 | 7.7 | 6.7 | 622 | 9.9 | 8.9 | -3 |
| 10 to 14 | 526 | 6.5 | 6.2 | 492 | 7.8 | 8.0 | +34 |
| 15 to 19 | 552 | 6.8 | 5.5 | 498 | 7.9 | 7.4 | +54 |
| 20 to 24 | 630 | 7.8 | 6.4 | 675 | 10.7 | 9.6 | -46 |
| 25 to 29 | 792 | 9.8 | 8.7 | 679 | 10.8 | 10.2 | +113 |
| 30 to 34 | 744 | 9.2 | 9.0 | 571 | 9.1 | 9.6 | +173 |
| 35 to 39 | 638 | 7.9 | 8.0 | 487 | 7.7 | 8.4 | +151 |
| 40 to 44 | 502 | 6.2 | 6.8 | 366 | 5.8 | 7.6 | +136 |
| 45 to 49 | 446 | 5.5 | 6.3 | 327 | 5.2 | 5.6 | +119 |
| 50 to 54 | 553 | 6.8 | 6.5 | 213 | 3.4 | 4.3 | +340 |
| 55 to 59 | 471 | 5.8 | 6.1 | 219 | 3.5 | 3.3 | +252 |
| 60 to 64 | 487 | 6.0 | 5.8 | 243 | 3.9 | 2.9 | +244 |
| 65 to 69 | 343 | 4.2 | 5.0 | 157 | 2.5 | 2.2 | +186 |
| 70 to 74 | 194 | 2.4 | 3.5 | 70 | 1.1 | 1.2 | +124 |
| 75 to 79 | 81 | 1.0 | 1.7 | 46 | 0.7 | 0.7 | +35 |
| 80 to 84 | 24 | 0.3 | 0.8 | 6 | 0.1 | 0.3 | +18 |
| 85 and over | 4 | 0.0 | 0.5 | 1 | 0.0 | 0.2 | +3 |
| Total population | 8,094 | 100.0 | 100.0 | 6,305 | 100.0 | 100.0 | +1,789 |
Dominant groups
Analysis of the five year age groups of West Arnhem Regional Council LGA in 2021 compared to the RDA Northern Territory 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, 20.2% of the population was aged between 0 and 15, and 8.0% were aged 65 years and over, compared with 19.4% and 11.5% respectively for the RDA Northern Territory.
The major differences between the age structure of West Arnhem Regional Council LGA and the RDA Northern Territory were:
- A larger percentage of persons aged 20 to 24 (7.8% compared to 6.4%)
- A larger percentage of persons aged 15 to 19 (6.8% compared to 5.5%)
- A larger percentage of persons aged 25 to 29 (9.8% compared to 8.7%)
- A smaller percentage of persons aged 70 to 74 (2.4% compared to 3.5%)
Emerging groups
From 1991 to 2021, West Arnhem Regional Council LGA's population increased by 1,789 people (28.4%). This represents an average annual population change of 0.84% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+340 persons)
- 55 to 59 (+252 persons)
- 60 to 64 (+244 persons)
- 65 to 69 (+186 persons)
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