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LEARN MORE ABOUT .idIn 2021, the largest age group in the City of Whittlesea was 35 to 39 year olds. The group that changed the most since 2011 was 35 to 39 year olds, increasing by 8,418 people.
The Age Structure of the City of Whittlesea 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 Whittlesea'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 Whittlesea'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 Whittlesea - Total persons (Enumerated) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Victoria % | Number | % | Victoria % | 2011 to 2021 |
| 0 to 4 | 16,531 | 7.2 | 5.8 | 11,508 | 7.5 | 6.5 | +5,023 |
| 5 to 9 | 17,300 | 7.6 | 6.2 | 10,658 | 6.9 | 6.1 | +6,642 |
| 10 to 14 | 14,872 | 6.5 | 6.0 | 9,983 | 6.5 | 6.2 | +4,889 |
| 15 to 19 | 13,102 | 5.7 | 5.6 | 10,200 | 6.6 | 6.5 | +2,902 |
| 20 to 24 | 14,422 | 6.3 | 6.3 | 11,149 | 7.2 | 7.1 | +3,273 |
| 25 to 29 | 16,381 | 7.2 | 7.3 | 12,708 | 8.3 | 7.3 | +3,673 |
| 30 to 34 | 19,414 | 8.5 | 7.7 | 12,292 | 8.0 | 7.0 | +7,122 |
| 35 to 39 | 20,439 | 8.9 | 7.6 | 12,021 | 7.8 | 7.2 | +8,418 |
| 40 to 44 | 16,792 | 7.3 | 6.6 | 11,560 | 7.5 | 7.3 | +5,232 |
| 45 to 49 | 14,559 | 6.4 | 6.4 | 10,468 | 6.8 | 7.0 | +4,091 |
| 50 to 54 | 13,271 | 5.8 | 6.3 | 9,460 | 6.1 | 6.6 | +3,811 |
| 55 to 59 | 11,866 | 5.2 | 5.9 | 8,326 | 5.4 | 5.9 | +3,540 |
| 60 to 64 | 10,743 | 4.7 | 5.5 | 7,388 | 4.8 | 5.4 | +3,355 |
| 65 to 69 | 9,131 | 4.0 | 4.8 | 5,223 | 3.4 | 4.1 | +3,908 |
| 70 to 74 | 7,862 | 3.4 | 4.3 | 4,132 | 2.7 | 3.2 | +3,730 |
| 75 to 79 | 5,275 | 2.3 | 3.1 | 3,236 | 2.1 | 2.6 | +2,039 |
| 80 to 84 | 3,640 | 1.6 | 2.2 | 2,116 | 1.4 | 2.1 | +1,524 |
| 85 and over | 3,327 | 1.5 | 2.2 | 1,566 | 1.0 | 2.0 | +1,761 |
| Total population | 228,927 | 100.0 | 100.0 | 153,994 | 100.0 | 100.0 | +74,933 |
Dominant groups
Analysis of the five year age groups of the City of Whittlesea in 2021 compared to Victoria 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, 21.3% of the population was aged between 0 and 15, and 12.8% were aged 65 years and over, compared with 18.1% and 16.6% respectively for Victoria.
The major differences between the age structure of the City of Whittlesea and Victoria were:
- A larger percentage of persons aged 0 to 4 (7.2% compared to 5.8%)
- A larger percentage of persons aged 35 to 39 (8.9% compared to 7.6%)
- A larger percentage of persons aged 5 to 9 (7.6% compared to 6.2%)
- A smaller percentage of persons aged 70 to 74 (3.4% compared to 4.3%)
Emerging groups
From 2011 to 2021, City of Whittlesea's population increased by 74,933 people (48.7%). This represents an average annual population change of 4.04% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 35 to 39 (+8,418 persons)
- 30 to 34 (+7,122 persons)
- 5 to 9 (+6,642 persons)
- 40 to 44 (+5,232 persons)
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