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LEARN MORE ABOUT .idIn 2021, the largest age group in Greater Darwin was 30 to 34 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 4,951 people.
The Age Structure of Greater Darwin provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Greater Darwin'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 Greater Darwin'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 | |||||||
|---|---|---|---|---|---|---|---|
| Greater Darwin - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Australia % | Number | % | Australia % | 2001 to 2021 |
| 0 to 4 | 9,978 | 6.5 | 5.8 | 8,126 | 7.6 | 6.6 | +1,852 |
| 5 to 9 | 10,153 | 6.6 | 6.2 | 8,248 | 7.7 | 7.1 | +1,905 |
| 10 to 14 | 9,290 | 6.1 | 6.2 | 7,723 | 7.3 | 7.1 | +1,567 |
| 15 to 19 | 7,824 | 5.1 | 5.7 | 7,097 | 6.7 | 7.1 | +727 |
| 20 to 24 | 9,571 | 6.2 | 6.2 | 8,138 | 7.6 | 6.6 | +1,433 |
| 25 to 29 | 13,383 | 8.7 | 7.0 | 9,495 | 8.9 | 7.0 | +3,888 |
| 30 to 34 | 14,121 | 9.2 | 7.3 | 9,919 | 9.3 | 7.5 | +4,202 |
| 35 to 39 | 12,599 | 8.2 | 7.2 | 9,147 | 8.6 | 7.6 | +3,452 |
| 40 to 44 | 10,825 | 7.1 | 6.5 | 8,634 | 8.1 | 7.7 | +2,191 |
| 45 to 49 | 9,963 | 6.5 | 6.4 | 7,927 | 7.4 | 7.0 | +2,036 |
| 50 to 54 | 9,936 | 6.5 | 6.3 | 7,470 | 7.0 | 6.7 | +2,466 |
| 55 to 59 | 9,165 | 6.0 | 6.1 | 5,218 | 4.9 | 5.2 | +3,947 |
| 60 to 64 | 8,344 | 5.4 | 5.8 | 3,681 | 3.5 | 4.2 | +4,663 |
| 65 to 69 | 7,187 | 4.7 | 5.1 | 2,236 | 2.1 | 3.5 | +4,951 |
| 70 to 74 | 5,501 | 3.6 | 4.6 | 1,606 | 1.5 | 3.3 | +3,895 |
| 75 to 79 | 2,884 | 1.9 | 3.2 | 1,000 | 0.9 | 2.7 | +1,884 |
| 80 to 84 | 1,523 | 1.0 | 2.2 | 453 | 0.4 | 1.7 | +1,070 |
| 85 and over | 895 | 0.6 | 2.1 | 330 | 0.3 | 1.4 | +565 |
| Total population | 153,142 | 100.0 | 100.0 | 106,448 | 100.0 | 100.0 | +46,694 |
Dominant groups
Analysis of the five year age groups of Greater Darwin in 2021 compared to Australia 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, 19.2% of the population was aged between 0 and 15, and 11.7% were aged 65 years and over, compared with 18.2% and 17.2% respectively for Australia.
The major differences between the age structure of Greater Darwin and Australia were:
- A larger percentage of persons aged 30 to 34 (9.2% compared to 7.3%)
- A larger percentage of persons aged 25 to 29 (8.7% compared to 7.0%)
- A smaller percentage of persons aged 85 and over (0.6% compared to 2.1%)
- A smaller percentage of persons aged 75 to 79 (1.9% compared to 3.2%)
Emerging groups
From 2001 to 2021, Greater Darwin's population increased by 46,694 people (43.9%). This represents an average annual population change of 1.84% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 65 to 69 (+4,951 persons)
- 60 to 64 (+4,663 persons)
- 30 to 34 (+4,202 persons)
- 55 to 59 (+3,947 persons)
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