| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 50,658 | 255 | people per km2 |
| Australia | Australia | 7,682,300 | 26,642,109 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,287 | 27 | people per km2 |
| Fiji | Melanesia | 18,274 | 972,172 | 53 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 315,833 | 83 | people per km2 |
| Guam | Micronesia | 544 | 187,920 | 345 | people per km2 |
| Kiribati | Micronesia | 811 | 126,377 | 156 | people per km2 |
| Marshall Islands | Micronesia | 181 | 91,234 | 504 | people per km2 |
| Nauru | Micronesia | 21 | 10,405 | 495 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 333,839 | 18 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,965,992 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 68,375 | 147 | people per km2 |
| Palau | Micronesia | 459 | 22,597 | 49 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,699,054 | 19 | people per km2 |
| Samoa | Polynesia | 2,821 | 221,110 | 78 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 849,893 | 30 | people per km2 |
| Tonga | Polynesia | 717 | 97,026 | 135 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,331 | 474 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 364,651 | 30 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,892 | 112 | people per km2 |