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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 243,510 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 males (Usual residence) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Northern Territory % | Number | % | Northern Territory % | 1991 to 2021 |
| 0 to 4 | 192,679 | 6.0 | 7.2 | 0 | -- | -- | +192,679 |
| 5 to 9 | 206,739 | 6.5 | 7.3 | 0 | -- | -- | +206,739 |
| 10 to 14 | 201,248 | 6.3 | 7.0 | 0 | -- | -- | +201,248 |
| 15 to 19 | 186,517 | 5.8 | 6.2 | 0 | -- | -- | +186,517 |
| 20 to 24 | 210,533 | 6.6 | 7.1 | 0 | -- | -- | +210,533 |
| 25 to 29 | 239,492 | 7.5 | 8.7 | 0 | -- | -- | +239,492 |
| 30 to 34 | 243,510 | 7.6 | 9.1 | 0 | -- | -- | +243,510 |
| 35 to 39 | 240,280 | 7.5 | 8.1 | 0 | -- | -- | +240,280 |
| 40 to 44 | 212,433 | 6.6 | 6.9 | 0 | -- | -- | +212,433 |
| 45 to 49 | 203,297 | 6.4 | 6.5 | 0 | -- | -- | +203,297 |
| 50 to 54 | 199,037 | 6.2 | 6.3 | 0 | -- | -- | +199,037 |
| 55 to 59 | 186,632 | 5.8 | 5.7 | 0 | -- | -- | +186,632 |
| 60 to 64 | 174,604 | 5.5 | 4.8 | 0 | -- | -- | +174,604 |
| 65 to 69 | 153,392 | 4.8 | 3.7 | 0 | -- | -- | +153,392 |
| 70 to 74 | 135,645 | 4.2 | 2.7 | 0 | -- | -- | +135,645 |
| 75 to 79 | 95,906 | 3.0 | 1.5 | 0 | -- | -- | +95,906 |
| 80 to 84 | 64,021 | 2.0 | 0.8 | 0 | -- | -- | +64,021 |
| 85 and over | 55,017 | 1.7 | 0.4 | 2,789 | 100.0 | 100.0 | +52,228 |
| Total population | 3,200,982 | 100.0 | 100.0 | 2,789 | 100.0 | 100.0 | +3,198,193 |
Dominant groups
Analysis of the male five year age groups of Victoria in 2021 compared to Northern Territory shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).
Overall, 18.8% of the male population was aged between 0 and 15, and 15.7% were aged 65 years and over, compared with 21.5% and 9.1% respectively for Northern Territory.
The major differences between the male age structure of Victoria and Northern Territory were:
- A larger percentage of males aged 70 to 74 (4.2% compared to 2.7%)
- A larger percentage of males aged 75 to 79 (3.0% compared to 1.5%)
- A larger percentage of males aged 85 and over (1.7% compared to 0.4%)
- A smaller percentage of males aged 30 to 34 (7.6% compared to 9.1%)
Emerging groups
From 1991 to 2021, Victoria's male population increased by 3,198,193 people (114671.7%). This represents an average annual population change of 26.47% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 30 to 34 (+243,510 males)
- 35 to 39 (+240,280 males)
- 25 to 29 (+239,492 males)
- 40 to 44 (+212,433 males)
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