I didn't really think it was necessary to provide a source as it is literally as simple as googling "nsw population", "melbourne population", and "australia pop

I didn't really think it was necessary to provide a source as it is literally as simple as googling "nsw population", "melbourne population", and "australia population". The results of those are a little out of date but still in the ballpark of 50%. If you are after official numbers then the ABS is the place to go: https://www.abs.gov.au/statistics/people/population/national-state-and-territory-population/latest-release https://www.abs.gov.au/statistics/people/population/national...