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LEARN MORE ABOUT .idIn 2021, the largest age group in Delahey was 50 to 54 year olds. The group that changed the most since 2001 was 0 to 4 year olds, decreasing by 264 people.
The Age Structure of Delahey provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Delahey'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 Delahey'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 | |||||||
|---|---|---|---|---|---|---|---|
| Delahey - Total females (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Keilor District % | Number | % | Keilor District % | 2001 to 2021 |
| 0 to 4 | 210 | 5.1 | 3.9 | 474 | 10.6 | 5.5 | -264 |
| 5 to 9 | 210 | 5.1 | 4.9 | 459 | 10.2 | 5.6 | -249 |
| 10 to 14 | 203 | 4.9 | 5.7 | 361 | 8.1 | 6.4 | -158 |
| 15 to 19 | 246 | 6.0 | 5.8 | 305 | 6.8 | 7.4 | -59 |
| 20 to 24 | 276 | 6.7 | 5.0 | 286 | 6.4 | 7.6 | -10 |
| 25 to 29 | 322 | 7.8 | 4.4 | 485 | 10.8 | 6.0 | -163 |
| 30 to 34 | 266 | 6.5 | 5.2 | 529 | 11.8 | 6.5 | -263 |
| 35 to 39 | 280 | 6.8 | 5.6 | 420 | 9.4 | 6.0 | -140 |
| 40 to 44 | 217 | 5.3 | 6.0 | 356 | 7.9 | 7.9 | -139 |
| 45 to 49 | 272 | 6.6 | 7.1 | 250 | 5.6 | 7.9 | +22 |
| 50 to 54 | 346 | 8.4 | 6.9 | 176 | 3.9 | 10.4 | +170 |
| 55 to 59 | 320 | 7.8 | 6.4 | 123 | 2.7 | 7.7 | +197 |
| 60 to 64 | 290 | 7.1 | 6.8 | 70 | 1.6 | 4.3 | +220 |
| 65 to 69 | 243 | 5.9 | 6.0 | 64 | 1.4 | 3.4 | +179 |
| 70 to 74 | 171 | 4.2 | 7.9 | 60 | 1.3 | 2.5 | +111 |
| 75 to 79 | 118 | 2.9 | 5.4 | 25 | 0.6 | 2.2 | +93 |
| 80 to 84 | 58 | 1.4 | 3.3 | 17 | 0.4 | 1.7 | +41 |
| 85 and over | 64 | 1.6 | 4.0 | 23 | 0.5 | 1.0 | +41 |
| Total population | 4,112 | 100.0 | 100.0 | 4,483 | 100.0 | 100.0 | -371 |
Dominant groups
Analysis of the female five year age groups of Delahey in 2021 compared to the Keilor District 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, 15.2% of the female population was aged between 0 and 15, and 15.9% were aged 65 years and over, compared with 14.4% and 26.5% respectively for the Keilor District.
The major differences between the female age structure of Delahey and the Keilor District were:
- A larger percentage of females aged 25 to 29 (7.8% compared to 4.4%)
- A smaller percentage of females aged 70 to 74 (4.2% compared to 7.9%)
- A smaller percentage of females aged 75 to 79 (2.9% compared to 5.4%)
- A smaller percentage of females aged 85 and over (1.6% compared to 4.0%)
Emerging groups
From 2001 to 2021, Delahey's female population decreased by 371 people (8.3%). This represents an average annual population change of -0.43% per year over the period.
The largest changes in female age structure in this area between 2001 and 2021 were in the age groups:
- 0 to 4 (-264 females)
- 30 to 34 (-263 females)
- 5 to 9 (-249 females)
- 60 to 64 (+220 females)
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