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Mosman Municipal CouncilCommunity profile

Mosman Council area

Five year age groups

In 2021, the largest age group in Mosman Council area was 45 to 49 year olds. The group that changed the most since 1996 was 25 to 29 year olds, decreasing by 454 people.

The Age Structure of Mosman Council area provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mosman Council area'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 Mosman Council area'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
Mosman Council area - Total males (Enumerated)20211996Change
Five year age groups (years)Number%Ku-ring-gai Council area %Number%Ku-ring-gai Council area %1996 to 2021
0 to 46004.74.97056.15.6-105
5 to 97465.97.46365.57.2+110
10 to 149207.28.56225.48.4+298
15 to 198076.47.86565.79.4+151
20 to 246305.06.18337.27.6-203
25 to 295974.73.71,0519.14.5-454
30 to 347365.83.91,0278.94.3-291
35 to 398066.35.79248.05.9-118
40 to 448136.46.88797.67.0-66
45 to 499257.37.39528.38.5-27
50 to 549217.37.48707.67.6+51
55 to 598456.76.75915.15.9+254
60 to 647956.35.63883.44.6+407
65 to 696575.24.64133.64.3+244
70 to 746184.94.53543.13.8+264
75 to 795634.43.62772.42.7+286
80 to 843682.92.51801.61.7+188
85 and over3492.72.81561.41.1+193
Total population12,696100.0100.011,514100.0100.0+1,182
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 male five year age groups of Mosman Council area in 2021 compared to the Ku-ring-gai Council area shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).

Overall, 17.8% of the male population was aged between 0 and 15, and 20.1% were aged 65 years and over, compared with 20.8% and 18.1% respectively for the Ku-ring-gai Council area.

The major differences between the male age structure of Mosman Council area and the Ku-ring-gai Council area were:

  • A larger percentage of males aged 30 to 34 (5.8% compared to 3.9%)
  • A smaller percentage of males aged 5 to 9 (5.9% compared to 7.4%)
  • A smaller percentage of males aged 15 to 19 (6.4% compared to 7.8%)
  • A smaller percentage of males aged 10 to 14 (7.2% compared to 8.5%)

Emerging groups

From 1996 to 2021, Mosman Council area's male population increased by 1,182 people (10.3%). This represents an average annual population change of 0.39% per year over the period.

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

  • 25 to 29 (-454 males)
  • 60 to 64 (+407 males)
  • 10 to 14 (+298 males)
  • 30 to 34 (-291 males)

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