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LEARN MORE ABOUT .idIn 2021, the largest age group in Growth LGAs in Victoria was 35 to 39 year olds. The group that changed the most since 1991 was 35 to 39 year olds, increasing by 94,710 people.
The Age Structure of Growth LGAs in 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 Growth LGAs in 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 Growth LGAs in 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 | |||||||
|---|---|---|---|---|---|---|---|
| Growth LGAs in Victoria - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Liverpool City % | Number | % | Liverpool City % | 1991 to 2021 |
| 0 to 4 | 116,386 | 7.9 | 7.1 | 45,992 | 9.9 | 8.5 | +70,393 |
| 5 to 9 | 120,031 | 8.2 | 7.6 | 43,531 | 9.3 | 8.1 | +76,499 |
| 10 to 14 | 104,834 | 7.1 | 7.4 | 40,625 | 8.7 | 8.0 | +64,208 |
| 15 to 19 | 89,310 | 6.1 | 6.9 | 38,387 | 8.2 | 8.7 | +50,923 |
| 20 to 24 | 94,257 | 6.4 | 7.1 | 38,519 | 8.3 | 9.6 | +55,737 |
| 25 to 29 | 108,164 | 7.3 | 7.0 | 43,103 | 9.2 | 9.0 | +65,060 |
| 30 to 34 | 128,207 | 8.7 | 7.3 | 44,813 | 9.6 | 8.4 | +83,393 |
| 35 to 39 | 135,202 | 9.2 | 7.7 | 40,491 | 8.7 | 7.2 | +94,710 |
| 40 to 44 | 108,620 | 7.4 | 6.9 | 36,375 | 7.8 | 7.1 | +72,245 |
| 45 to 49 | 92,506 | 6.3 | 6.6 | 25,546 | 5.5 | 5.6 | +66,959 |
| 50 to 54 | 83,598 | 5.7 | 6.1 | 18,602 | 4.0 | 5.3 | +64,995 |
| 55 to 59 | 73,820 | 5.0 | 5.8 | 14,670 | 3.1 | 4.3 | +59,149 |
| 60 to 64 | 63,516 | 4.3 | 5.0 | 12,271 | 2.6 | 3.7 | +51,244 |
| 65 to 69 | 51,743 | 3.5 | 3.8 | 9,551 | 2.0 | 2.6 | +42,191 |
| 70 to 74 | 42,163 | 2.9 | 3.0 | 6,117 | 1.3 | 1.6 | +36,046 |
| 75 to 79 | 27,750 | 1.9 | 2.1 | 4,053 | 0.9 | 1.2 | +23,696 |
| 80 to 84 | 17,479 | 1.2 | 1.4 | 2,389 | 0.5 | 0.7 | +15,090 |
| 85 and over | 15,116 | 1.0 | 1.3 | 1,585 | 0.3 | 0.3 | +13,530 |
| Total population | 1,472,702 | 100.0 | 100.0 | 466,631 | 100.0 | 100.0 | +1,006,070 |
Dominant groups
Analysis of the five year age groups of Growth LGAs in Victoria in 2021 compared to Liverpool City 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, 23.2% of the population was aged between 0 and 15, and 10.5% were aged 65 years and over, compared with 22.1% and 11.6% respectively for Liverpool City .
The major differences between the age structure of Growth LGAs in Victoria and Liverpool City were:
- A larger percentage of persons aged 35 to 39 (9.2% compared to 7.7%)
- A larger percentage of persons aged 30 to 34 (8.7% compared to 7.3%)
- A smaller percentage of persons aged 15 to 19 (6.1% compared to 6.9%)
- A smaller percentage of persons aged 55 to 59 (5.0% compared to 5.8%)
Emerging groups
From 1991 to 2021, Growth LGAs in Victoria's population increased by 1,006,071 people (215.6%). This represents an average annual population change of 3.91% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 35 to 39 (+94,710 persons)
- 30 to 34 (+83,393 persons)
- 5 to 9 (+76,499 persons)
- 40 to 44 (+72,245 persons)
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