| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 51,493 | 259 | people per km2 |
| Australia | Australia | 7,682,300 | 25,951,515 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,704 | 28 | people per km2 |
| Fiji | Melanesia | 18,274 | 960,863 | 53 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 311,240 | 81 | people per km2 |
| Guam | Micronesia | 544 | 182,994 | 336 | people per km2 |
| Kiribati | Micronesia | 811 | 122,319 | 151 | people per km2 |
| Marshall Islands | Micronesia | 181 | 87,477 | 483 | people per km2 |
| Nauru | Micronesia | 21 | 10,131 | 482 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 322,435 | 18 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,879,868 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 65,652 | 141 | people per km2 |
| Palau | Micronesia | 459 | 22,337 | 49 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,300,922 | 18 | people per km2 |
| Samoa | Polynesia | 2,821 | 215,206 | 76 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 803,443 | 29 | people per km2 |
| Tonga | Polynesia | 717 | 99,810 | 139 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,063 | 464 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 345,951 | 28 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,923 | 112 | people per km2 |