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LEARN MORE ABOUT .idIn 2021, the largest age group in Victoria was 30 to 34 year olds. The group that changed the most since 1991 was 30 to 34 year olds, increasing by 256,446 people.
The Age Structure of Victoria provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Victoria'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 Victoria'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 | |||||||
|---|---|---|---|---|---|---|---|
| Victoria - Total females (Usual residence) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | New South Wales % | Number | % | New South Wales % | 1991 to 2021 |
| 0 to 4 | 183,222 | 5.5 | 5.6 | 0 | -- | -- | +183,222 |
| 5 to 9 | 195,427 | 5.9 | 6.0 | 0 | -- | -- | +195,427 |
| 10 to 14 | 190,141 | 5.8 | 6.0 | 0 | -- | -- | +190,141 |
| 15 to 19 | 176,690 | 5.4 | 5.4 | 0 | -- | -- | +176,690 |
| 20 to 24 | 199,803 | 6.1 | 5.9 | 0 | -- | -- | +199,803 |
| 25 to 29 | 236,041 | 7.1 | 6.8 | 0 | -- | -- | +236,041 |
| 30 to 34 | 256,446 | 7.8 | 7.3 | 0 | -- | -- | +256,446 |
| 35 to 39 | 249,649 | 7.6 | 7.2 | 0 | -- | -- | +249,649 |
| 40 to 44 | 216,377 | 6.6 | 6.5 | 0 | -- | -- | +216,377 |
| 45 to 49 | 213,232 | 6.5 | 6.4 | 0 | -- | -- | +213,232 |
| 50 to 54 | 211,322 | 6.4 | 6.3 | 0 | -- | -- | +211,322 |
| 55 to 59 | 197,285 | 6.0 | 6.1 | 0 | -- | -- | +197,285 |
| 60 to 64 | 188,031 | 5.7 | 6.0 | 0 | -- | -- | +188,031 |
| 65 to 69 | 167,169 | 5.1 | 5.3 | 0 | -- | -- | +167,169 |
| 70 to 74 | 149,353 | 4.5 | 4.7 | 0 | -- | -- | +149,353 |
| 75 to 79 | 107,298 | 3.2 | 3.4 | 0 | -- | -- | +107,298 |
| 80 to 84 | 77,579 | 2.3 | 2.5 | 0 | -- | -- | +77,579 |
| 85 and over | 87,455 | 2.6 | 2.8 | 9,760 | 100.0 | 100.0 | +77,695 |
| Total population | 3,302,520 | 100.0 | 100.0 | 9,760 | 100.0 | 100.0 | +3,292,760 |
Dominant groups
Analysis of the female five year age groups of Victoria in 2021 compared to New South Wales shows that there was a similar proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 17.2% of the female population was aged between 0 and 15, and 17.8% were aged 65 years and over, compared with 17.5% and 18.6% respectively for New South Wales.
There were no major differences between Victoria and New South Wales in 2021.
Emerging groups
From 1991 to 2021, Victoria's female population increased by 3,292,760 people (33737.3%). This represents an average annual population change of 21.43% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 30 to 34 (+256,446 females)
- 35 to 39 (+249,649 females)
- 25 to 29 (+236,041 females)
- 40 to 44 (+216,377 females)
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