Oceania Cities by Population 2025
5 Most Populated Oceania Cities
Melbourne
5,391,890
Sydney
5,248,790
Brisbane
2,568,170
Perth
2,169,190
Auckland
1,711,130
Oceania Cities Overview
Oceania is dominated by Australia’s major coastal cities, with Sydney leading as the largest metropolitan area with 4.6M residents, followed by Melbourne with 4.2M inhabitants. These two cities form the primary urban centers of Oceania, significantly larger than other cities in the region.
A second tier of Australian cities includes Brisbane (2.2M), Perth (1.9M), and Adelaide (1.2M). The national capital, Canberra, is notably smaller with 367.8K residents.
New Zealand’s urban landscape is led by Auckland (417.9K), followed by Wellington (381.9K) and Christchurch (363.9K). Manukau City maintains a similar scale with 362K residents.