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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 1996 was 60 to 64 year olds, increasing by 3,011 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 (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Central Desert Regional Council LGA % | Number | % | Central Desert Regional Council LGA % | 1996 to 2021 |
| 0 to 4 | 5,250 | 6.0 | 7.1 | 5,221 | 7.4 | 9.7 | +29 |
| 5 to 9 | 5,257 | 6.0 | 7.0 | 4,951 | 7.0 | 10.4 | +306 |
| 10 to 14 | 4,883 | 5.5 | 7.0 | 5,078 | 7.2 | 10.0 | -195 |
| 15 to 19 | 4,151 | 4.7 | 6.5 | 5,010 | 7.1 | 8.3 | -859 |
| 20 to 24 | 5,389 | 6.1 | 8.2 | 6,345 | 9.0 | 10.9 | -956 |
| 25 to 29 | 8,221 | 9.3 | 9.8 | 7,079 | 10.0 | 9.0 | +1,142 |
| 30 to 34 | 8,564 | 9.7 | 9.0 | 6,519 | 9.2 | 9.1 | +2,045 |
| 35 to 39 | 7,299 | 8.3 | 6.7 | 6,240 | 8.8 | 7.2 | +1,059 |
| 40 to 44 | 6,262 | 7.1 | 7.9 | 5,837 | 8.2 | 5.9 | +425 |
| 45 to 49 | 5,664 | 6.4 | 6.5 | 5,736 | 8.1 | 4.0 | -72 |
| 50 to 54 | 5,607 | 6.4 | 6.7 | 4,254 | 6.0 | 3.6 | +1,353 |
| 55 to 59 | 5,344 | 6.1 | 5.6 | 2,874 | 4.1 | 3.6 | +2,470 |
| 60 to 64 | 5,022 | 5.7 | 4.9 | 2,011 | 2.8 | 3.3 | +3,011 |
| 65 to 69 | 4,334 | 4.9 | 3.4 | 1,602 | 2.3 | 2.0 | +2,732 |
| 70 to 74 | 3,460 | 3.9 | 1.9 | 1,053 | 1.5 | 1.4 | +2,407 |
| 75 to 79 | 1,886 | 2.1 | 0.9 | 583 | 0.8 | 0.7 | +1,303 |
| 80 to 84 | 1,034 | 1.2 | 0.5 | 321 | 0.5 | 0.5 | +713 |
| 85 and over | 608 | 0.7 | 0.3 | 172 | 0.2 | 0.3 | +436 |
| Total population | 88,235 | 100.0 | 100.0 | 70,886 | 100.0 | 100.0 | +17,349 |
Dominant groups
Analysis of the five year age groups of the City of Darwin LGA in 2021 compared to Central Desert 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, 17.4% of the population was aged between 0 and 15, and 12.8% were aged 65 years and over, compared with 21.1% and 7.2% respectively for Central Desert Regional Council LGA.
The major differences between the age structure of the City of Darwin LGA and Central Desert Regional Council LGA were:
- A larger percentage of persons aged 70 to 74 (3.9% compared to 1.9%)
- A larger percentage of persons aged 35 to 39 (8.3% compared to 6.7%)
- A smaller percentage of persons aged 20 to 24 (6.1% compared to 8.2%)
- A smaller percentage of persons aged 15 to 19 (4.7% compared to 6.5%)
Emerging groups
From 1996 to 2021, City of Darwin LGA's population increased by 17,349 people (24.5%). This represents an average annual population change of 0.88% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 60 to 64 (+3,011 persons)
- 65 to 69 (+2,732 persons)
- 55 to 59 (+2,470 persons)
- 70 to 74 (+2,407 persons)
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