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LEARN MORE ABOUT .idIn 2021, the largest age group in Mernda was 35 to 39 year olds. The group that changed the most since 2001 was 35 to 39 year olds, increasing by 1,339 people.
The Age Structure of Mernda provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mernda'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 Mernda'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mernda - Total females (Enumerated) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Whittlesea % | Number | % | Whittlesea % | 2001 to 2021 |
| 0 to 4 | 1,032 | 8.7 | 5.6 | 25 | 5.8 | 6.4 | +1,007 |
| 5 to 9 | 1,154 | 9.7 | 6.4 | 33 | 7.7 | 8.0 | +1,121 |
| 10 to 14 | 849 | 7.1 | 6.1 | 42 | 9.8 | 8.2 | +807 |
| 15 to 19 | 633 | 5.3 | 6.2 | 35 | 8.2 | 7.1 | +598 |
| 20 to 24 | 596 | 5.0 | 5.4 | 27 | 6.3 | 5.5 | +569 |
| 25 to 29 | 792 | 6.7 | 5.5 | 29 | 6.8 | 8.0 | +763 |
| 30 to 34 | 1,267 | 10.7 | 5.9 | 30 | 7.0 | 8.0 | +1,237 |
| 35 to 39 | 1,385 | 11.7 | 6.2 | 46 | 10.7 | 8.8 | +1,339 |
| 40 to 44 | 1,033 | 8.7 | 5.9 | 32 | 7.5 | 7.5 | +1,001 |
| 45 to 49 | 729 | 6.1 | 7.6 | 33 | 7.7 | 7.6 | +696 |
| 50 to 54 | 571 | 4.8 | 6.6 | 38 | 8.9 | 6.3 | +533 |
| 55 to 59 | 443 | 3.7 | 5.8 | 20 | 4.7 | 5.0 | +423 |
| 60 to 64 | 445 | 3.7 | 5.1 | 9 | 2.1 | 3.2 | +436 |
| 65 to 69 | 332 | 2.8 | 6.2 | 12 | 2.8 | 2.5 | +320 |
| 70 to 74 | 312 | 2.6 | 4.7 | 6 | 1.4 | 2.9 | +306 |
| 75 to 79 | 166 | 1.4 | 4.0 | 0 | -- | 2.2 | +166 |
| 80 to 84 | 97 | 0.8 | 2.4 | 3 | 0.7 | 1.4 | +94 |
| 85 and over | 45 | 0.4 | 4.5 | 9 | 2.1 | 1.6 | +36 |
| Total population | 11,881 | 100.0 | 100.0 | 429 | 100.0 | 100.0 | +11,452 |
Dominant groups
Analysis of the female five year age groups of Mernda in 2021 compared to Whittlesea shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 25.5% of the female population was aged between 0 and 15, and 8.0% were aged 65 years and over, compared with 18.1% and 21.8% respectively for Whittlesea.
The major differences between the female age structure of Mernda and Whittlesea were:
- A larger percentage of females aged 35 to 39 (11.7% compared to 6.2%)
- A larger percentage of females aged 30 to 34 (10.7% compared to 5.9%)
- A smaller percentage of females aged 85 and over (0.4% compared to 4.5%)
- A smaller percentage of females aged 65 to 69 (2.8% compared to 6.2%)
Emerging groups
From 2001 to 2021, Mernda's female population increased by 11,452 people (2669.5%). This represents an average annual population change of 18.06% per year over the period.
The largest changes in female age structure in this area between 2001 and 2021 were in the age groups:
- 35 to 39 (+1,339 females)
- 30 to 34 (+1,237 females)
- 5 to 9 (+1,121 females)
- 0 to 4 (+1,007 females)
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