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City of JoondalupCommunity profile

Duncraig

Five year age groups

In 2021, the largest age group in Duncraig was 10 to 14 year olds. The group that changed the most since 1991 was 40 to 44 year olds, decreasing by 392 people.

The Age Structure of Duncraig provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Duncraig'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 Duncraig'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
Duncraig - Total males (Enumerated)20211991Change
Five year age groups (years)Number%Edgewater %Number%Edgewater %1991 to 2021
0 to 44736.26.65686.99.4-95
5 to 96037.97.083710.211.1-234
10 to 147549.96.993911.510.3-185
15 to 195697.45.894311.57.8-374
20 to 243304.35.75056.25.3-175
25 to 292603.45.03113.86.4-51
30 to 342943.86.34495.510.6-155
35 to 394896.47.07809.511.1-291
40 to 445266.96.691811.210.1-392
45 to 495997.85.97529.25.9-153
50 to 545166.76.14095.02.8+107
55 to 593865.05.02192.72.4+167
60 to 644015.27.82022.52.5+199
65 to 694586.06.31441.81.7+314
70 to 743945.24.91081.31.1+286
75 to 793244.23.4670.80.7+257
80 to 841562.02.0410.50.4+115
85 and over1141.51.630.00.2+111
Total population7,646100.0100.08,195100.0100.0-549
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

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

Overall, 23.9% of the male population was aged between 0 and 15, and 18.9% were aged 65 years and over, compared with 20.6% and 18.2% respectively for Edgewater.

The major differences between the male age structure of Duncraig and Edgewater were:

  • A larger percentage of males aged 10 to 14 (9.9% compared to 6.9%)
  • A larger percentage of males aged 45 to 49 (7.8% compared to 5.9%)
  • A smaller percentage of males aged 60 to 64 (5.2% compared to 7.8%)
  • A smaller percentage of males aged 30 to 34 (3.8% compared to 6.3%)

Emerging groups

From 1991 to 2021, Duncraig's male population decreased by 549 people (6.7%). This represents an average annual population change of -0.23% per year over the period.

The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:

  • 40 to 44 (-392 males)
  • 15 to 19 (-374 males)
  • 65 to 69 (+314 males)
  • 35 to 39 (-291 males)

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