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Willunga and Surrounds

Five year age groups

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This topic has been updated with 2016 Census data for all areas. What's this?

There were 57 people over the age of 85 living in Willunga and Surrounds in 2016, with largest age group being 45 to 49 year olds.

The Age Structure of Willunga and Surrounds provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Willunga and Surrounds'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 Willunga and Surrounds's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

'What is the person's date of birth or age?'

Total population

Age structure - Five year age groups
Willunga and Surrounds - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %2011 to 2016
0 to 41744.86.21805.26.6-6
5 to 92266.26.42396.96.3-13
10 to 142386.56.12868.26.7-48
15 to 192807.76.22908.36.8-10
20 to 241754.86.01143.36.2+61
25 to 29952.65.9792.36.4+16
30 to 341534.26.51404.06.2+13
35 to 391945.36.31955.66.6-1
40 to 442587.16.63058.87.1-47
45 to 493218.86.92838.17.1+38
50 to 542737.56.73319.57.0-58
55 to 593208.86.62637.66.6+57
60 to 642827.86.32457.06.5+37
65 to 692306.36.11835.34.6+47
70 to 741644.54.31594.63.2+5
75 to 791383.82.81022.92.4+36
80 to 84591.62.0511.52.0+8
85 and over571.62.1381.11.8+19

Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Age structure - five year age groups, 2016
Age structure - five year age groups, 2016 85 and over, City of Onkaparinga: 2.1% 80 to 84, City of Onkaparinga: 2.0% 75 to 79, City of Onkaparinga: 2.8% 70 to 74, City of Onkaparinga: 4.3% 65 to 69, City of Onkaparinga: 6.1% 60 to 64, City of Onkaparinga: 6.3% 55 to 59, City of Onkaparinga: 6.6% 50 to 54, City of Onkaparinga: 6.7% 45 to 49, City of Onkaparinga: 6.9% 40 to 44, City of Onkaparinga: 6.6% 35 to 39, City of Onkaparinga: 6.3% 30 to 34, City of Onkaparinga: 6.5% 25 to 29, City of Onkaparinga: 5.9% 20 to 24, City of Onkaparinga: 6.0% 15 to 19, City of Onkaparinga: 6.2% 10 to 14, City of Onkaparinga: 6.1% 5 to 9, City of Onkaparinga: 6.4% 0 to 4, City of Onkaparinga: 6.2% 85 and over, Willunga and Surrounds: 1.6% 80 to 84, Willunga and Surrounds: 1.6% 75 to 79, Willunga and Surrounds: 3.8% 70 to 74, Willunga and Surrounds: 4.5% 65 to 69, Willunga and Surrounds: 6.3% 60 to 64, Willunga and Surrounds: 7.8% 55 to 59, Willunga and Surrounds: 8.8% 50 to 54, Willunga and Surrounds: 7.5% 45 to 49, Willunga and Surrounds: 8.8% 40 to 44, Willunga and Surrounds: 7.1% 35 to 39, Willunga and Surrounds: 5.3% 30 to 34, Willunga and Surrounds: 4.2% 25 to 29, Willunga and Surrounds: 2.6% 20 to 24, Willunga and Surrounds: 4.8% 15 to 19, Willunga and Surrounds: 7.7% 10 to 14, Willunga and Surrounds: 6.5% 5 to 9, Willunga and Surrounds: 6.2% 0 to 4, Willunga and Surrounds: 4.8%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - five year age groups, 2011 to 2016
Change in age structure - five year age groups, 2011 to 2016 85 and over, Willunga and Surrounds: +19 80 to 84, Willunga and Surrounds: +8 75 to 79, Willunga and Surrounds: +36 70 to 74, Willunga and Surrounds: +5 65 to 69, Willunga and Surrounds: +47 60 to 64, Willunga and Surrounds: +37 55 to 59, Willunga and Surrounds: +57 50 to 54, Willunga and Surrounds: -58 45 to 49, Willunga and Surrounds: +38 40 to 44, Willunga and Surrounds: -47 35 to 39, Willunga and Surrounds: -1 30 to 34, Willunga and Surrounds: +13 25 to 29, Willunga and Surrounds: +16 20 to 24, Willunga and Surrounds: +61 15 to 19, Willunga and Surrounds: -10 10 to 14, Willunga and Surrounds: -48 5 to 9, Willunga and Surrounds: -13 0 to 4, Willunga and Surrounds: -6
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 and 2016 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the five year age groups of Willunga and Surrounds in 2016 compared to the City of Onkaparinga shows that there was a lower proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).

Overall, 17.5% of the population was aged between 0 and 15, and 17.8% were aged 65 years and over, compared with 18.7% and 17.3% respectively for the City of Onkaparinga.

The major differences between the age structure of Willunga and Surrounds and the City of Onkaparinga were:

  • A larger percentage of persons aged 55 to 59 (8.8% compared to 6.6%)
  • A larger percentage of persons aged 45 to 49 (8.8% compared to 6.9%)
  • A smaller percentage of persons aged 25 to 29 (2.6% compared to 5.9%)
  • A smaller percentage of persons aged 30 to 34 (4.2% compared to 6.5%)

Emerging groups

From 2011 to 2016, Willunga and Surrounds's population increased by 154 people (4.4%). This represents an average annual population change of 0.87% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:

  • 20 to 24 (+61 persons)
  • 50 to 54 (-58 persons)
  • 55 to 59 (+57 persons)

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