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City of JoondalupCommunity profile

Greenwood

Five year age groups

In 2021, the largest age group in Greenwood was 35 to 39 year olds. The group that changed the most since 2001 was 70 to 74 year olds, increasing by 456 people.

The Age Structure of Greenwood provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Greenwood'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 Greenwood'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
Greenwood - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Currambine %Number%Currambine %2001 to 2021
0 to 46626.94.95725.79.0+90
5 to 96426.76.55495.511.1+93
10 to 146546.86.87137.29.1-59
15 to 195896.17.38858.97.7-296
20 to 244184.47.58428.55.7-424
25 to 294074.26.07237.36.0-316
30 to 346636.95.67317.310.0-68
35 to 397688.05.96336.410.7+135
40 to 446897.25.97117.19.5-22
45 to 496667.07.09229.36.3-256
50 to 546396.79.01,02710.35.0-388
55 to 595065.38.26206.23.3-114
60 to 644514.76.63633.62.7+88
65 to 695615.94.42012.01.5+360
70 to 746396.73.61831.81.1+456
75 to 793563.72.31551.60.7+201
80 to 841731.81.71001.00.3+73
85 and over961.00.9340.30.2+62
Total population9,579100.0100.09,964100.0100.0-385
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Greenwood in 2021 compared to Currambine shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).

Overall, 20.4% of the population was aged between 0 and 15, and 19.1% were aged 65 years and over, compared with 18.2% and 12.8% respectively for Currambine.

The major differences between the age structure of Greenwood and Currambine were:

  • A larger percentage of persons aged 70 to 74 (6.7% compared to 3.6%)
  • A smaller percentage of persons aged 20 to 24 (4.4% compared to 7.5%)
  • A smaller percentage of persons aged 55 to 59 (5.3% compared to 8.2%)
  • A smaller percentage of persons aged 50 to 54 (6.7% compared to 9.0%)

Emerging groups

From 2001 to 2021, Greenwood's population decreased by 385 people (3.9%). This represents an average annual population change of -0.2% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 70 to 74 (+456 persons)
  • 20 to 24 (-424 persons)
  • 50 to 54 (-388 persons)
  • 65 to 69 (+360 persons)

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