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Mornington Peninsula ShireCommunity profile
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In 2021, the largest age group in Tyabb was 55 to 59 year olds. The group that changed the most since 1996 was 60 to 64 year olds, increasing by 173 people.

The Age Structure of Tyabb provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Tyabb'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 Tyabb'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
Tyabb - Total persons (Enumerated)20211996Change
Five year age groups (years)Number%Mornington Peninsula Shire %Number%Mornington Peninsula Shire %1996 to 2021
0 to 41825.34.71987.57.0-17
5 to 91765.25.62238.47.8-47
10 to 142186.46.22449.27.5-26
15 to 192407.05.82238.46.9+16
20 to 242116.24.71445.55.5+67
25 to 292106.24.11586.05.7+52
30 to 342176.44.71917.26.6+26
35 to 391745.15.22469.37.6-73
40 to 441845.45.52298.77.1-45
45 to 492366.96.52338.86.7+3
50 to 542497.37.01816.95.4+67
55 to 592607.66.71144.34.6+145
60 to 642497.36.9762.94.4+173
65 to 691975.86.8742.85.0+122
70 to 741604.76.9401.54.7+119
75 to 791133.35.5311.23.6+81
80 to 84752.23.6190.72.2+56
85 and over581.73.6160.61.6+41
Total population3,409100.0100.02,649100.0100.0+760
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 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 Tyabb in 2021 compared to Mornington Peninsula Shire shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 16.9% of the population was aged between 0 and 15, and 17.7% were aged 65 years and over, compared with 16.6% and 26.3% respectively for Mornington Peninsula Shire.

The major differences between the age structure of Tyabb and Mornington Peninsula Shire were:

  • A larger percentage of persons aged 25 to 29 (6.2% compared to 4.1%)
  • A smaller percentage of persons aged 75 to 79 (3.3% compared to 5.5%)
  • A smaller percentage of persons aged 70 to 74 (4.7% compared to 6.9%)
  • A smaller percentage of persons aged 85 and over (1.7% compared to 3.6%)

Emerging groups

From 1996 to 2021, Tyabb's population increased by 760 people (28.7%). This represents an average annual population change of 1.01% per year over the period.

The largest changes in age structure in this area between 1996 and 2021 were in the age groups:

  • 60 to 64 (+173 persons)
  • 55 to 59 (+145 persons)
  • 65 to 69 (+122 persons)
  • 70 to 74 (+119 persons)

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