| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 49,401 | 248 | people per km2 |
| Australia | Australia | 7,682,300 | 27,551,508 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,808 | 25 | people per km2 |
| Fiji | Melanesia | 18,274 | 987,123 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 320,211 | 84 | people per km2 |
| Guam | Micronesia | 544 | 193,720 | 356 | people per km2 |
| Kiribati | Micronesia | 811 | 131,554 | 162 | people per km2 |
| Marshall Islands | Micronesia | 181 | 96,212 | 532 | people per km2 |
| Nauru | Micronesia | 21 | 10,913 | 520 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 348,780 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,063,172 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 72,451 | 156 | people per km2 |
| Palau | Micronesia | 459 | 22,794 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,246,891 | 20 | people per km2 |
| Samoa | Polynesia | 2,821 | 229,558 | 81 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 915,193 | 33 | people per km2 |
| Tonga | Polynesia | 717 | 91,161 | 127 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,686 | 488 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 391,231 | 32 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,751 | 111 | people per km2 |