| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,216 | 262 | people per km2 |
| Australia | Australia | 7,682,300 | 24,974,777 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 7,371 | 31 | people per km2 |
| Fiji | Melanesia | 18,274 | 944,682 | 52 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 303,439 | 79 | people per km2 |
| Guam | Micronesia | 544 | 175,694 | 323 | people per km2 |
| Kiribati | Micronesia | 811 | 116,702 | 144 | people per km2 |
| Marshall Islands | Micronesia | 181 | 82,511 | 456 | people per km2 |
| Nauru | Micronesia | 21 | 9,859 | 469 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 306,612 | 17 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,746,675 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 62,075 | 134 | people per km2 |
| Palau | Micronesia | 459 | 21,940 | 48 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,772,050 | 17 | people per km2 |
| Samoa | Polynesia | 2,821 | 207,906 | 74 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 743,216 | 27 | people per km2 |
| Tonga | Polynesia | 717 | 102,252 | 143 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,659 | 448 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 321,808 | 26 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,863 | 112 | people per km2 |