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LEARN MORE ABOUT .idIn 2021, the largest age group in Mermaid Waters was 45 to 49 year olds. The group that changed the most since 1991 was 30 to 34 year olds, increasing by 272 people.
The Age Structure of Mermaid Waters provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mermaid Waters'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 Mermaid Waters'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mermaid Waters - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Guanaba - Springbrook % | Number | % | Guanaba - Springbrook % | 1991 to 2021 |
| 0 to 4 | 711 | 5.4 | 5.1 | 443 | 3.9 | 8.4 | +268 |
| 5 to 9 | 792 | 6.1 | 5.8 | 524 | 4.6 | 7.5 | +268 |
| 10 to 14 | 777 | 6.0 | 5.6 | 665 | 5.8 | 7.5 | +112 |
| 15 to 19 | 701 | 5.4 | 5.0 | 817 | 7.2 | 8.0 | -116 |
| 20 to 24 | 700 | 5.4 | 4.3 | 962 | 8.5 | 5.6 | -262 |
| 25 to 29 | 875 | 6.7 | 4.6 | 717 | 6.3 | 7.4 | +158 |
| 30 to 34 | 921 | 7.1 | 5.6 | 649 | 5.7 | 10.2 | +272 |
| 35 to 39 | 931 | 7.1 | 6.7 | 685 | 6.0 | 9.3 | +246 |
| 40 to 44 | 920 | 7.1 | 7.1 | 934 | 8.2 | 9.9 | -14 |
| 45 to 49 | 936 | 7.2 | 7.0 | 810 | 7.1 | 6.4 | +126 |
| 50 to 54 | 840 | 6.4 | 8.1 | 715 | 6.3 | 5.0 | +125 |
| 55 to 59 | 747 | 5.7 | 8.9 | 616 | 5.4 | 4.2 | +131 |
| 60 to 64 | 721 | 5.5 | 8.0 | 736 | 6.5 | 3.9 | -15 |
| 65 to 69 | 658 | 5.0 | 6.5 | 836 | 7.4 | 3.3 | -178 |
| 70 to 74 | 728 | 5.6 | 5.8 | 624 | 5.5 | 1.9 | +104 |
| 75 to 79 | 492 | 3.8 | 3.2 | 402 | 3.5 | 0.8 | +90 |
| 80 to 84 | 310 | 2.4 | 1.8 | 172 | 1.5 | 0.5 | +138 |
| 85 and over | 287 | 2.2 | 0.7 | 67 | 0.6 | 0.1 | +220 |
| Total population | 13,047 | 100.0 | 100.0 | 11,374 | 100.0 | 100.0 | +1,673 |
Dominant groups
Analysis of the five year age groups of Mermaid Waters in 2021 compared to Guanaba - Springbrook shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).
Overall, 17.5% of the population was aged between 0 and 15, and 19.0% were aged 65 years and over, compared with 16.6% and 18.1% respectively for Guanaba - Springbrook.
The major differences between the age structure of Mermaid Waters and Guanaba - Springbrook were:
- A larger percentage of persons aged 25 to 29 (6.7% compared to 4.6%)
- A smaller percentage of persons aged 55 to 59 (5.7% compared to 8.9%)
- A smaller percentage of persons aged 60 to 64 (5.5% compared to 8.0%)
- A smaller percentage of persons aged 50 to 54 (6.4% compared to 8.1%)
Emerging groups
From 1991 to 2021, Mermaid Waters's population increased by 1,673 people (14.7%). This represents an average annual population change of 0.46% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 30 to 34 (+272 persons)
- 0 to 4 (+268 persons)
- 5 to 9 (+268 persons)
- 20 to 24 (-262 persons)
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