Oceanian region includes three main cultural and geographic groupings: Melanesia (including Papua New Guinea, Fiji, Solomon Islands, and Vanuatu), Polynesia (featuring island nations like Samoa, Tonga, and Tuvalu), and Micronesia (comprising small island states such as Palau, Marshall Islands, and Federated States of Micronesia).
Most Oceanian countries are small island nations with populations ranging from under 1,000 to several hundred thousand people, though Papua New Guinea stands out with around 9 million inhabitants. These nations face unique challenges, including climate change and sea-level rise, geographic isolation, and economic dependence on tourism, fishing, and remittances…