svg rectangle color
National Growth Areas AllianceCommunity profile

2016 Census data has been released and we are busy processing it to update this website. View our latest releases here.

National Growth Areas Alliance (NGAA)

Service age groups

This topic has been updated with 2016 Census data for all areas. What's this?

The National Growth Areas Alliance (NGAA) had a higher proportion of pre-schoolers and a lower proportion of persons at post retirement age than Greater Sydney in 2016.

The Age Structure of the 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 the 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 the National Growth Areas Alliance (NGAA)'s Age Structure should be viewed in conjunction with Household Types and Dwelling Types.


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)20162011Change
Service age group (years)Number%Greater Sydney %Number%Greater Sydney %2011 to 2016
Babies and pre-schoolers (0 to 4)345,6087.76.4302,8977.96.8+42,711
Primary schoolers (5 to 11)470,43110.48.8398,82010.38.7+71,611
Secondary schoolers (12 to 17)362,4668.06.9344,3568.97.4+18,109
Tertiary education and independence (18 to 24)420,5929.39.6372,8139.79.5+47,779
Young workforce (25 to 34)667,37314.816.1546,78214.215.4+120,590
Parents and homebuilders (35 to 49)954,51621.221.1849,39222.021.9+105,125
Older workers and pre-retirees (50 to 59)536,88711.912.2459,32711.912.2+77,560
Empty nesters and retirees (60 to 69)407,4139.09.5326,2238.59.0+81,190
Seniors (70 to 84)283,8306.37.5216,2715.67.2+67,559
Elderly aged (85 and over)54,9691.22.041,0101.11.8+13,959
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the service age groups of the National Growth Areas Alliance (NGAA) in 2016 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, 26.2% of the population was aged between 0 and 17, and 16.6% were aged 60 years and over, compared with 22.2% and 19.0% respectively for Greater Sydney.

The major differences between the age structure of the National Growth Areas Alliance (NGAA) and Greater Sydney were:

  • A larger percentage of 'Primary schoolers (5 to 11)' (10.4% compared to 8.8%)
  • A larger percentage of 'Babies and pre-schoolers (0 to 4)' (7.7% compared to 6.4%)
  • A smaller percentage of 'Young workforce (25 to 34)' (14.8% compared to 16.1%)
  • A smaller percentage of 'Seniors (70 to 84)' (6.3% compared to 7.5%)

Emerging groups

From 2011 to 2016, National Growth Areas Alliance (NGAA)'s population increased by 646,195 people (16.7%). This represents an average annual population change of 3.15% per year over the period.

The largest changes in the age structure in this area between 2011 and 2016 were in the age groups:

  • Young workforce (25 to 34) (+120,590 people)
  • Parents and homebuilders (35 to 49) (+105,125 people)
  • Empty nesters and retirees (60 to 69) (+81,190 people)
  • Older workers and pre-retirees (50 to 59) (+77,560 people)