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City of CaseyCommunity profile

Narre Warren South

Five year age groups

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In 2021, the largest age group in Narre Warren South was 15 to 19 year olds. The group that changed the most since 2006 was 50 to 54 year olds, increasing by 1,160 people.

The Age Structure of Narre Warren South provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Narre Warren South'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 Narre Warren South'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
Narre Warren South - Total persons (Usual residence)20212006Change
Five year age groups (years)Number%City of Casey %Number%City of Casey %2006 to 2021
0 to 41,8666.07.62,71910.67.8-853
5 to 92,2347.27.92,66910.48.3-435
10 to 142,6958.77.22,2818.98.4+414
15 to 192,7258.86.31,7276.77.5+998
20 to 242,4748.06.71,3575.36.7+1,117
25 to 291,9556.37.22,0047.86.8-49
30 to 341,7855.88.02,63510.37.8-850
35 to 392,0266.68.72,73210.78.4-706
40 to 442,2377.27.22,1648.48.2+73
45 to 492,4317.96.41,6596.57.5+772
50 to 542,3497.66.01,1894.66.2+1,160
55 to 591,8876.15.31,0154.05.0+872
60 to 641,4824.84.66232.43.5+859
65 to 691,0433.43.63321.32.5+711
70 to 747522.42.92250.91.9+527
75 to 795051.61.91620.61.6+343
80 to 842790.91.3720.31.1+207
85 and over1920.61.2630.20.8+129
Total population30,917100.0100.025,628100.0100.0+5,289
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 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 Narre Warren South in 2021 compared to the City of Casey shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).

Overall, 22.0% of the population was aged between 0 and 15, and 9.0% were aged 65 years and over, compared with 22.7% and 10.8% respectively for the City of Casey.

The major differences between the age structure of Narre Warren South and the City of Casey were:

  • A larger percentage of persons aged 15 to 19 (8.8% compared to 6.3%)
  • A larger percentage of persons aged 50 to 54 (7.6% compared to 6.0%)
  • A smaller percentage of persons aged 30 to 34 (5.8% compared to 8.0%)
  • A smaller percentage of persons aged 35 to 39 (6.6% compared to 8.7%)

Emerging groups

From 2006 to 2021, Narre Warren South's population increased by 5,289 people (20.6%). This represents an average annual population change of 1.26% per year over the period.

The largest changes in age structure in this area between 2006 and 2021 were in the age groups:

  • 50 to 54 (+1,160 persons)
  • 20 to 24 (+1,117 persons)
  • 15 to 19 (+998 persons)
  • 55 to 59 (+872 persons)

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