Blacktown City
Need for assistance - Five year age groups
There were 21029 people with a need for assistance living in Blacktown City, with largest age group being 85 and over year olds in 2021.
The age structure of the population with a need for assistance is an important indicator of whether the disabilities highlighted are age related or otherwise. Generally need for assistance increases with age, so a comparison with the age structure of the same population in a benchmark area may reveal an older or younger population with significant need for assistance.
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 Blacktown City's Age Structure for those with a need for assistance should be viewed in conjunction with Dwelling Types, Tenure and Employment Status.
Derived from the Census question:
'What is the person's date of birth or age?'
People with a need for assistance
| Five year age groups | ||||||||
|---|---|---|---|---|---|---|---|---|
| Blacktown City - Need for assistance | 2021 | 2011 | Change | |||||
| Five year age groups (years) | Number | % | Greater Sydney | Number | % | Greater Sydney | 2011 to 2021 | |
| 0 to 4 | 455 | 2.2 | 1.5 | 284 | 2.1 | 1.4 | +171 | 10 |
| 5 to 9 | 1,258 | 6.0 | 4.3 | 690 | 5.0 | 3.3 | +568 | 11 |
| 10 to 14 | 1,036 | 4.9 | 3.9 | 617 | 4.5 | 3.0 | +419 | 12 |
| 15 to 19 | 786 | 3.7 | 3.0 | 468 | 3.4 | 2.3 | +318 | 13 |
| 20 to 24 | 586 | 2.8 | 2.3 | 312 | 2.3 | 1.8 | +274 | 14 |
| 25 to 29 | 484 | 2.3 | 2.0 | 280 | 2.0 | 1.8 | +204 | 15 |
| 30 to 34 | 471 | 2.2 | 2.0 | 341 | 2.5 | 1.9 | +130 | 16 |
| 35 to 39 | 490 | 2.3 | 2.1 | 359 | 2.6 | 2.4 | +131 | 17 |
| 40 to 44 | 635 | 3.0 | 2.6 | 510 | 3.7 | 3.1 | +125 | 18 |
| 45 to 49 | 759 | 3.6 | 3.2 | 651 | 4.7 | 4.0 | +108 | 19 |
| 50 to 54 | 987 | 4.7 | 4.0 | 807 | 5.8 | 5.2 | +180 | 20 |
| 55 to 59 | 1,210 | 5.8 | 5.2 | 1,006 | 7.3 | 5.9 | +204 | 21 |
| 60 to 64 | 1,519 | 7.2 | 6.6 | 1,250 | 9.0 | 7.3 | +269 | 22 |
| 65 to 69 | 1,837 | 8.7 | 7.7 | 1,082 | 7.8 | 6.7 | +755 | 23 |
| 70 to 74 | 2,111 | 10.0 | 9.3 | 1,048 | 7.6 | 7.7 | +1,063 | 24 |
| 75 to 79 | 1,966 | 9.3 | 10.0 | 1,159 | 8.4 | 9.5 | +807 | 25 |
| 80 to 84 | 1,880 | 8.9 | 11.3 | 1,298 | 9.4 | 12.1 | +582 | 26 |
| 85 and over | 2,559 | 12.2 | 19.0 | 1,678 | 12.1 | 20.4 | +881 | 27 |
| Total persons | 21,029 | 100.0 | 100.0 | 13,840 | 100.0 | 100.0 | +7,189 | |
Source: Australian Bureau of Statistics, Census of Population and Housing (opens a new window) 2011 and 2021. Compiled and presented by .id (opens a new window)(informed decisions).
Compiled and presented in profile.id by .id (informed decisions).
Compiled and presented in profile.id by .id (informed decisions).
Dominant groups
Analysis of the population needing assistance in Blacktown City in 2021 compared to Greater Sydney 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, 13.0724% of the population needing assistance was aged between 0 and 14, and 49.232% were aged 65 years and over, compared with 9.647% and 57.347% respectively for Greater Sydney.
The major differences between the age structure of the population needing assistance Blacktown City and Greater Sydney were:
- A larger percentage of people aged 5 to 9 (6.0% compared to 4.3%)
- A larger percentage of people aged 65 to 69 (8.7% compared to 7.7%)
- A smaller percentage of people aged 85 and over (12.2% compared to 19.0%)
- A smaller percentage of people aged 80 to 84 (8.9% compared to 11.3%)
Emerging groups
From 2011 to 2021, Blacktown City's population needing assistance increased by 7189 people (51.9436416184971%). This represents an average annual population change of 4.27213191727787% per year over the period.
The largest changes in age structure of the population needing assistance in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+1,063 persons)
- 85 and over (+881 persons)
- 75 to 79 (+807 persons)
- 65 to 69 (+755 persons)