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NSW Department of Planning and Environment

Changing age profiles

Image of Young people walking down street. Paddington, Sydney NSW.
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Compared to 2020 there were 55,742 fewer 18 to 30 year-olds living in NSW. This is unprecedented in recent history.

 
 

While NSW has long-term structural ageing, the change in median age had been slowing since the late 1990s. In the last 2 years, however, the rate of ageing has quickened, exacerbated by the decline in the number of young people.

 
 
Years Median age Average yearly change in median age
Years1980's Median age31.7 Average yearly change in median age0.255
Years1990's Median age34.2 Average yearly change in median age0.306
Years2000's Median age36.6 Average yearly change in median age0.166
Years2010-2019 Median age37.6 Average yearly change in median age0.039
Years2020 Median age37.8 Average yearly change in median age0.308
Years2021 Median age38.3 Average yearly change in median age0.451
 

Source: Australian Bureau of Statistics, National, State and Territory Populations – March Quarter 2021

Page last updated: 17/06/2022