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National Growth Areas AllianceCommunity profile

National Growth Areas Alliance (NGAA)

Service age groups

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In 2021, National Growth Areas Alliance (NGAA) had higher proportion of children (under 18) and a lower proportion of persons aged 60 or older than Greater Sydney.

The Age Structure of National Growth Areas Alliance (NGAA) provides key insights into the level of demand for age based services and facilities such as child care. It is an indicator of National Growth Areas Alliance (NGAA)'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 National Growth Areas Alliance (NGAA)'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
National Growth Areas Alliance (NGAA) - Total persons (Usual residence)20212006Change
Service age group (years)Number%Greater Sydney %Number%Greater Sydney %2006 to 2021
Babies and pre-schoolers (0 to 4)376,8537.26.0245,9467.56.6+130,907
Primary schoolers (5 to 11)551,14410.68.8363,39911.19.1+187,745
Secondary schoolers (12 to 17)422,3048.17.1313,0659.67.9+109,239
Tertiary education and independence (18 to 24)455,6588.78.8314,6709.69.9+140,988
Young workforce (25 to 34)756,14114.515.5452,06013.815.3+304,080
Parents and homebuilders (35 to 49)1,126,38121.621.5742,37222.722.5+384,009
Older workers and pre-retirees (50 to 59)601,24811.512.0399,94012.212.2+201,308
Empty nesters and retirees (60 to 69)472,5919.19.8237,4347.37.8+235,156
Seniors (70 to 84)389,6177.58.7176,6145.47.3+213,002
Elderly aged (85 and over)67,8291.32.029,4720.91.6+38,357
Total5,219,766100.0100.03,274,975100.0100.0+1,944,790
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 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 National Growth Areas Alliance (NGAA) in 2021 compared to Greater Sydney shows that there was a higher proportion of people in the younger age groups (0 to 17 years) and a lower proportion of people in the older age groups (60+ years).

Overall, 25.9% of the population was aged between 0 and 17, and 17.8% 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 National Growth Areas Alliance (NGAA) and Greater Sydney were:

  • A larger percentage of 'Primary schoolers' (10.6% compared to 8.8%)
  • A larger percentage of 'Babies and pre-schoolers' (7.2% compared to 6.0%)
  • A larger percentage of 'Secondary schoolers' (8.1% compared to 7.1%)
  • A smaller percentage of 'Seniors' (7.5% compared to 8.7%)

Emerging groups

From 2006 to 2021, National Growth Areas Alliance (NGAA)'s population increased by 1,944,791 people (59.4%). This represents an average annual population change of 3.16% per year over the period.

The largest changes in the age structure in this area between 2006 and 2021 were in the age groups:

  • Parents and homebuilders (35 to 49) (+384,009 people)
  • Young workforce (25 to 34) (+304,080 people)
  • Empty nesters and retirees (60 to 69) (+235,156 people)
  • Seniors (70 to 84) (+213,002 people)

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