* indicates monthly or quarterly data series

Population size - state rankings:

The average for 2018 was 3137161 people.The highest value was in New South Wales: 8023740 people and the lowest value was in Northern Territory: 247159 people. Below is a chart for all states where data are available.
Population size, in number of people, 2018
(people, Source: Australian Bureau of Statistics, TheGlobalEconomy.com)



Definition: Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. The values shown are midyear estimates.
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