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LEARN MORE ABOUT .idIn 2021, the largest age group in Marangaroo was 35 to 39 year olds. The group that changed the most since 2001 was 0 to 4 year olds, decreasing by 358 people.
The Age Structure of Marangaroo provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Marangaroo'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 Marangaroo'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 | |||||||
|---|---|---|---|---|---|---|---|
| Marangaroo - Total persons (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Sinagra % | Number | % | Sinagra % | 2001 to 2021 |
| 0 to 4 | 609 | 5.9 | 10.1 | 967 | 9.2 | 7.2 | -358 |
| 5 to 9 | 662 | 6.4 | 9.1 | 913 | 8.6 | 11.7 | -251 |
| 10 to 14 | 629 | 6.1 | 7.9 | 811 | 7.7 | 9.3 | -182 |
| 15 to 19 | 654 | 6.3 | 5.1 | 787 | 7.4 | 8.3 | -133 |
| 20 to 24 | 664 | 6.4 | 6.6 | 762 | 7.2 | 7.6 | -98 |
| 25 to 29 | 628 | 6.1 | 8.9 | 879 | 8.3 | 11.0 | -251 |
| 30 to 34 | 701 | 6.8 | 9.9 | 903 | 8.5 | 9.3 | -202 |
| 35 to 39 | 713 | 6.9 | 9.2 | 918 | 8.7 | 7.2 | -205 |
| 40 to 44 | 606 | 5.9 | 7.2 | 833 | 7.9 | 2.4 | -227 |
| 45 to 49 | 656 | 6.4 | 5.9 | 722 | 6.8 | 4.1 | -66 |
| 50 to 54 | 674 | 6.5 | 5.0 | 610 | 5.8 | 6.2 | +64 |
| 55 to 59 | 656 | 6.4 | 4.3 | 400 | 3.8 | 2.1 | +256 |
| 60 to 64 | 644 | 6.3 | 3.8 | 324 | 3.1 | 8.3 | +320 |
| 65 to 69 | 534 | 5.2 | 2.7 | 196 | 1.9 | 1.0 | +338 |
| 70 to 74 | 468 | 4.5 | 2.3 | 216 | 2.0 | 2.1 | +252 |
| 75 to 79 | 319 | 3.1 | 1.3 | 127 | 1.2 | 2.1 | +192 |
| 80 to 84 | 238 | 2.3 | 0.8 | 78 | 0.7 | -- | +160 |
| 85 and over | 248 | 2.4 | 0.2 | 120 | 1.1 | -- | +128 |
| Total population | 10,303 | 100.0 | 100.0 | 10,566 | 100.0 | 100.0 | -263 |
Dominant groups
Analysis of the five year age groups of Marangaroo in 2021 compared to Sinagra 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, 18.4% of the population was aged between 0 and 15, and 17.5% were aged 65 years and over, compared with 27.1% and 7.2% respectively for Sinagra.
The major differences between the age structure of Marangaroo and Sinagra were:
- A smaller percentage of persons aged 0 to 4 (5.9% compared to 10.1%)
- A smaller percentage of persons aged 30 to 34 (6.8% compared to 9.9%)
- A smaller percentage of persons aged 25 to 29 (6.1% compared to 8.9%)
- A smaller percentage of persons aged 5 to 9 (6.4% compared to 9.1%)
Emerging groups
From 2001 to 2021, Marangaroo's population decreased by 263 people (2.5%). This represents an average annual population change of -0.13% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 0 to 4 (-358 persons)
- 65 to 69 (+338 persons)
- 60 to 64 (+320 persons)
- 55 to 59 (+256 persons)
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