what is the second most populous country in the oceania region
Rugby league is the national sport of Papua New Guinea (the second-most populous country in Oceania after Australia) and is very popular in Australia. It attracts significant attention across New Zealand and the Pacific Islands.iogeographically, Oceania is used as a synonym for either the Australasian ecozone (Wallacea and Australasia) or the Pacific ecozone (Melanesia, Polynesia, and Micronesia apart either from New Zealand or from mainland New Guinea).