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City of MonashCommunity profile

Oakleigh

Five year age groups

In 2021, the largest age group in Oakleigh was 25 to 29 year olds. The group that changed the most since 2016 was 55 to 59 year olds, increasing by 98 people.

The Age Structure of Oakleigh provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Oakleigh'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 Oakleigh'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
Oakleigh - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%City of Monash %Number%City of Monash %2016 to 2021
0 to 44144.94.44235.45.1-9
5 to 94144.95.44605.85.4-46
10 to 144074.85.74155.35.3-8
15 to 194215.05.84535.76.8-32
20 to 247128.48.56428.19.8+70
25 to 297438.88.26608.47.8+83
30 to 346978.27.26157.87.1+82
35 to 396227.47.15456.96.3+77
40 to 445396.46.55817.46.6-42
45 to 495636.76.36167.86.7-53
50 to 546127.26.25326.76.0+80
55 to 595336.35.54355.55.3+98
60 to 644525.34.93544.54.8+98
65 to 693554.24.43093.94.5+46
70 to 742953.54.12292.93.9+66
75 to 792282.73.52102.73.4+18
80 to 841822.23.01862.42.6-4
85 and over2623.13.32292.92.8+33
Total population8,451100.0100.07,894100.0100.0+557
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 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 Oakleigh in 2021 compared to the City of Monash 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, 14.6% of the population was aged between 0 and 15, and 15.6% were aged 65 years and over, compared with 15.5% and 18.2% respectively for the City of Monash.

The major differences between the age structure of Oakleigh and the City of Monash were:

  • A larger percentage of persons aged 30 to 34 (8.2% compared to 7.2%)
  • A larger percentage of persons aged 50 to 54 (7.2% compared to 6.2%)
  • A smaller percentage of persons aged 10 to 14 (4.8% compared to 5.7%)
  • A smaller percentage of persons aged 15 to 19 (5.0% compared to 5.8%)

Emerging groups

From 2016 to 2021, Oakleigh's population increased by 557 people (7.1%). This represents an average annual population change of 1.37% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 55 to 59 (+98 persons)
  • 60 to 64 (+98 persons)
  • 25 to 29 (+83 persons)
  • 30 to 34 (+82 persons)

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