| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 48,963 | 246 | people per km2 |
| Australia | Australia | 7,682,300 | 27,961,069 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,632 | 24 | people per km2 |
| Fiji | Melanesia | 18,274 | 993,262 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 321,337 | 84 | people per km2 |
| Guam | Micronesia | 544 | 195,952 | 360 | people per km2 |
| Kiribati | Micronesia | 811 | 133,781 | 165 | people per km2 |
| Marshall Islands | Micronesia | 181 | 98,311 | 543 | people per km2 |
| Nauru | Micronesia | 21 | 11,198 | 533 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 355,321 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,098,587 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 74,332 | 160 | people per km2 |
| Palau | Micronesia | 459 | 22,814 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,497,760 | 21 | people per km2 |
| Samoa | Polynesia | 2,821 | 233,592 | 83 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 945,491 | 34 | people per km2 |
| Tonga | Polynesia | 717 | 87,377 | 122 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,856 | 494 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 403,609 | 33 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,661 | 110 | people per km2 |