| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,470 | 279 | people per km2 |
| Australia | Australia | 7,682,300 | 19,743,030 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 13,818 | 59 | people per km2 |
| Fiji | Melanesia | 18,274 | 811,794 | 44 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 246,362 | 64 | people per km2 |
| Guam | Micronesia | 544 | 154,928 | 285 | people per km2 |
| Kiribati | Micronesia | 811 | 88,790 | 109 | people per km2 |
| Marshall Islands | Micronesia | 181 | 55,878 | 309 | people per km2 |
| Nauru | Micronesia | 21 | 9,709 | 462 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 224,005 | 12 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,951,349 | 15 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 77,574 | 167 | people per km2 |
| Palau | Micronesia | 459 | 19,863 | 43 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,157,336 | 11 | people per km2 |
| Samoa | Polynesia | 2,821 | 177,639 | 63 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 467,916 | 17 | people per km2 |
| Tonga | Polynesia | 717 | 99,743 | 139 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,888 | 380 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 205,703 | 17 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,769 | 104 | people per km2 |