National Growth Areas Alliance (NGAA)
Service age groups
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.
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)||2016||2011||Change|
|Service age group (years)||Number||%||Greater Sydney %||Number||%||Greater Sydney %||2011 to 2016|
|Babies and pre-schoolers (0 to 4)||345,608||7.7||6.4||302,897||7.9||6.8||+42,711|
|Primary schoolers (5 to 11)||470,431||10.4||8.8||398,820||10.3||8.7||+71,611|
|Secondary schoolers (12 to 17)||362,466||8.0||6.9||344,356||8.9||7.4||+18,109|
|Tertiary education and independence (18 to 24)||420,592||9.3||9.6||372,813||9.7||9.5||+47,779|
|Young workforce (25 to 34)||667,373||14.8||16.1||546,782||14.2||15.4||+120,590|
|Parents and homebuilders (35 to 49)||954,516||21.2||21.1||849,392||22.0||21.9||+105,125|
|Older workers and pre-retirees (50 to 59)||536,887||11.9||12.2||459,327||11.9||12.2||+77,560|
|Empty nesters and retirees (60 to 69)||407,413||9.0||9.5||326,223||8.5||9.0||+81,190|
|Seniors (70 to 84)||283,830||6.3||7.5||216,271||5.6||7.2||+67,559|
|Elderly aged (85 and over)||54,969||1.2||2.0||41,010||1.1||1.8||+13,959|
Please refer to specific data notes for more information
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%)
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)