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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Darwin LGA was 30 to 34 year olds. The group that changed the most since 2006 was 30 to 34 year olds, increasing by 2,507 people.
The Age Structure of the City of Darwin 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 the City of Darwin 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 the City of Darwin 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 | |||||||
|---|---|---|---|---|---|---|---|
| City of Darwin LGA - Total persons (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Barkly Regional Council LGA % | Number | % | Barkly Regional Council LGA % | 2006 to 2021 |
| 0 to 4 | 5,067 | 6.3 | 8.7 | 4,427 | 6.7 | 9.5 | +640 |
| 5 to 9 | 5,081 | 6.3 | 8.6 | 4,459 | 6.7 | 9.2 | +622 |
| 10 to 14 | 4,750 | 5.9 | 7.5 | 4,455 | 6.7 | 9.4 | +295 |
| 15 to 19 | 4,049 | 5.0 | 7.8 | 4,544 | 6.9 | 9.5 | -495 |
| 20 to 24 | 5,101 | 6.3 | 7.4 | 5,279 | 8.0 | 8.4 | -178 |
| 25 to 29 | 7,823 | 9.7 | 9.6 | 5,658 | 8.5 | 7.8 | +2,165 |
| 30 to 34 | 8,167 | 10.1 | 8.7 | 5,660 | 8.5 | 8.8 | +2,507 |
| 35 to 39 | 6,898 | 8.6 | 7.3 | 5,453 | 8.2 | 6.3 | +1,445 |
| 40 to 44 | 5,912 | 7.3 | 5.9 | 5,273 | 8.0 | 6.7 | +639 |
| 45 to 49 | 5,240 | 6.5 | 5.6 | 5,216 | 7.9 | 5.9 | +24 |
| 50 to 54 | 5,034 | 6.3 | 5.9 | 4,837 | 7.3 | 5.7 | +197 |
| 55 to 59 | 4,536 | 5.6 | 5.3 | 4,320 | 6.5 | 4.5 | +216 |
| 60 to 64 | 4,004 | 5.0 | 4.8 | 2,740 | 4.1 | 3.4 | +1,264 |
| 65 to 69 | 3,220 | 4.0 | 3.5 | 1,686 | 2.5 | 2.2 | +1,534 |
| 70 to 74 | 2,621 | 3.3 | 1.8 | 977 | 1.5 | 1.2 | +1,644 |
| 75 to 79 | 1,533 | 1.9 | 1.0 | 673 | 1.0 | 0.8 | +860 |
| 80 to 84 | 918 | 1.1 | 0.6 | 387 | 0.6 | 0.3 | +531 |
| 85 and over | 578 | 0.7 | 0.2 | 245 | 0.4 | 0.4 | +333 |
| Total population | 80,532 | 100.0 | 100.0 | 66,289 | 100.0 | 100.0 | +14,243 |
Dominant groups
Analysis of the five year age groups of the City of Darwin LGA in 2021 compared to Barkly Regional Council LGA shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 18.5% of the population was aged between 0 and 15, and 11.0% were aged 65 years and over, compared with 24.8% and 7.1% respectively for Barkly Regional Council LGA.
The major differences between the age structure of the City of Darwin LGA and Barkly Regional Council LGA were:
- A smaller percentage of persons aged 15 to 19 (5.0% compared to 7.8%)
- A smaller percentage of persons aged 0 to 4 (6.3% compared to 8.7%)
- A smaller percentage of persons aged 5 to 9 (6.3% compared to 8.6%)
- A smaller percentage of persons aged 10 to 14 (5.9% compared to 7.5%)
Emerging groups
From 2006 to 2021, City of Darwin LGA's population increased by 14,243 people (21.5%). This represents an average annual population change of 1.31% per year over the period.
The largest changes in age structure in this area between 2006 and 2021 were in the age groups:
- 30 to 34 (+2,507 persons)
- 25 to 29 (+2,165 persons)
- 70 to 74 (+1,644 persons)
- 65 to 69 (+1,534 persons)
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