| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 50,434 | 253 | people per km2 |
| Australia | Australia | 7,682,300 | 26,803,376 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,195 | 26 | people per km2 |
| Fiji | Melanesia | 18,274 | 974,845 | 53 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 316,770 | 83 | people per km2 |
| Guam | Micronesia | 544 | 189,022 | 347 | people per km2 |
| Kiribati | Micronesia | 811 | 127,313 | 157 | people per km2 |
| Marshall Islands | Micronesia | 181 | 92,124 | 509 | people per km2 |
| Nauru | Micronesia | 21 | 10,482 | 499 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 336,510 | 18 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,984,753 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 69,058 | 149 | people per km2 |
| Palau | Micronesia | 459 | 22,646 | 49 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,794,500 | 19 | people per km2 |
| Samoa | Polynesia | 2,821 | 222,562 | 79 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 861,155 | 31 | people per km2 |
| Tonga | Polynesia | 717 | 96,198 | 134 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,393 | 477 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 369,223 | 30 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,874 | 112 | people per km2 |