Country Region Land Area ( km2 ) Population Population Density
Australia Australia 7,682,300 17,347,042 2 people per km2
Cook Islands Polynesia 236 17,948 76 people per km2
Fiji Melanesia 18,274 739,419 40 people per km2
French Polynesia Polynesia 3,827 205,094 54 people per km2
Kiribati Micronesia 811 72,107 89 people per km2
Marshall Islands Micronesia 181 47,007 260 people per km2
Nauru Micronesia 21 9,537 454 people per km2
New Caledonia Melanesia 18,275 178,122 10 people per km2
New Zealand New Zealand 264,537 3,478,049 13 people per km2
Palau Micronesia 459 16,089 35 people per km2
Papua New Guinea Melanesia 452,860 3,861,098 9 people per km2
Samoa Polynesia 2,821 160,725 57 people per km2
Solomon Islands Melanesia 27,986 340,076 12 people per km2
Tonga Polynesia 717 93,861 131 people per km2
Tuvalu Polynesia 26 9,282 357 people per km2