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Northern Sydney Regional Organisation of CouncilsCommunity profile

NSROC Region

Service age groups

In 2021, NSROC Region had lower proportion of children (under 18) and a higher proportion of persons aged 60 or older than Greater Sydney.

The Age Structure of NSROC Region provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of NSROC Region's residential role and function and how it is likely to change in the future.

Service age groups divide the population into age categories that reflect typical life-stages. They indicate the level of demand for services that target people at different stages in life and how that demand is changing.

To get a more complete picture NSROC Region'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 - Service age groups
NSROC Region - Total persons (Usual residence)20212016Change
Service age group (years)Number%Greater Sydney %Number%Greater Sydney %2016 to 2021
Babies and pre-schoolers (0 to 4)32,0625.16.034,8075.86.4-2,745
Primary schoolers (5 to 11)55,2658.88.852,2218.78.8+3,044
Secondary schoolers (12 to 17)46,0377.37.142,7907.26.9+3,247
Tertiary education and independence (18 to 24)48,7717.78.850,2798.49.6-1,508
Young workforce (25 to 34)81,85913.015.584,02714.116.1-2,168
Parents and homebuilders (35 to 49)142,10422.521.5132,37122.221.1+9,733
Older workers and pre-retirees (50 to 59)80,85812.812.075,90912.712.2+4,949
Empty nesters and retirees (60 to 69)64,21110.29.858,6489.89.5+5,563
Seniors (70 to 84)62,6149.98.750,3258.47.5+12,289
Elderly aged (85 and over)17,1312.72.016,1592.72.0+972
Total630,912100.0100.0597,536100.0100.0+33,376
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 service age groups of NSROC Region in 2021 compared to Greater Sydney shows that there was a lower proportion of people in the younger age groups (0 to 17 years) and a higher proportion of people in the older age groups (60+ years).

Overall, 21.1% of the population was aged between 0 and 17, and 22.8% were aged 60 years and over, compared with 21.8% and 20.5% respectively for Greater Sydney.

The major differences between the age structure of NSROC Region and Greater Sydney were:

  • A larger percentage of 'Seniors' (9.9% compared to 8.7%)
  • A larger percentage of 'Parents and homebuilders' (22.5% compared to 21.5%)
  • A smaller percentage of 'Young workforce' (13.0% compared to 15.5%)
  • A smaller percentage of 'Tertiary education & independence' (7.7% compared to 8.8%)

Emerging groups

From 2016 to 2021, NSROC Region's population increased by 33,376 people (5.6%). This represents an average annual population change of 1.09% per year over the period.

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

  • Seniors (70 to 84) (+12,289 people)
  • Parents and homebuilders (35 to 49) (+9,733 people)
  • Empty nesters and retirees (60 to 69) (+5,563 people)
  • Older workers and pre-retirees (50 to 59) (+4,949 people)

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