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Shire of MundaringCommunity profile

Shire of Mundaring

Five year age groups

In 2021, the largest age group in the Shire of Mundaring was 50 to 54 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 907 people.

The Age Structure of the Shire of Mundaring provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Shire of Mundaring'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 the Shire of Mundaring'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
Shire of Mundaring - Total persons (Enumerated)20212011Change
Five year age groups (years)Number%Mount Helena %Number%Mount Helena %2011 to 2021
0 to 41,8674.95.81,9405.46.4-73
5 to 92,1805.87.12,3156.57.3-135
10 to 142,4546.58.02,7037.68.7-249
15 to 192,3256.26.62,7367.78.3-411
20 to 241,9295.14.72,0935.94.3-164
25 to 291,8264.84.31,5694.42.8+257
30 to 342,2556.06.41,7544.94.9+501
35 to 392,3126.16.62,3036.56.4+9
40 to 442,3986.46.32,8598.09.2-461
45 to 492,5476.85.82,9328.28.9-385
50 to 542,8427.57.72,7897.88.8+53
55 to 592,7887.47.62,4696.96.7+319
60 to 642,5986.97.02,4356.86.0+163
65 to 692,2355.95.61,7244.84.7+511
70 to 742,0825.54.81,1753.32.6+907
75 to 791,4633.93.08202.32.3+643
80 to 848852.31.75711.61.2+314
85 and over7341.90.94691.30.5+265
Total population37,720100.0100.035,656100.0100.0+2,064
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 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 the Shire of Mundaring in 2021 compared to Mount Helena shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 17.2% of the population was aged between 0 and 15, and 19.6% were aged 65 years and over, compared with 21.0% and 15.9% respectively for Mount Helena.

The major differences between the age structure of the Shire of Mundaring and Mount Helena were:

  • A larger percentage of persons aged 85 and over (1.9% compared to 0.9%)
  • A larger percentage of persons aged 45 to 49 (6.8% compared to 5.8%)
  • A smaller percentage of persons aged 10 to 14 (6.5% compared to 8.0%)
  • A smaller percentage of persons aged 5 to 9 (5.8% compared to 7.1%)

Emerging groups

From 2011 to 2021, Shire of Mundaring's population increased by 2,064 people (5.8%). This represents an average annual population change of 0.56% per year over the period.

The largest changes in age structure in this area between 2011 and 2021 were in the age groups:

  • 70 to 74 (+907 persons)
  • 75 to 79 (+643 persons)
  • 65 to 69 (+511 persons)
  • 30 to 34 (+501 persons)

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