Oceania Cities by Population 2026

Oceania Cities Overview

Oceania is dominated by Australia’s major coastal cities, with Sydney leading as the largest metropolitan area with 5M residents, followed by Melbourne with 4.9M 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 (2.5M), Perth (2.2M), and Adelaide (1.3M). The national capital, Canberra, is notably smaller with 523.3K residents.

New Zealand’s urban landscape is led by Auckland (1.5M), followed by Wellington (208K) and Christchurch (411K).