Papua New Guinea vs Australia: What the Numbers Mean

Papua New Guinea has a population of 10,762,817 and is growing at 1.95% per year.Australia has a population of 26,100,000 and is growing at 1.09% per year. The difference between them is 15,337,183 people, with Australia in the lead.

Population is more than a headcount. Papua New Guinea has a density of 23 people per km² across 462,840 km², while Australia has a density of 3 people per km² across 7,692,024 km². These figures shape how each country manages housing, infrastructure, and resources. For how these numbers are computed, see our Methodology page.