| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,419 | 278 | people per km2 |
| Australia | Australia | 7,682,300 | 19,975,886 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 13,349 | 57 | people per km2 |
| Fiji | Melanesia | 18,274 | 818,459 | 45 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 249,345 | 65 | people per km2 |
| Guam | Micronesia | 544 | 155,355 | 286 | people per km2 |
| Kiribati | Micronesia | 811 | 90,204 | 111 | people per km2 |
| Marshall Islands | Micronesia | 181 | 57,188 | 316 | people per km2 |
| Nauru | Micronesia | 21 | 9,752 | 464 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 228,355 | 12 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,990,651 | 15 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 69,430 | 150 | people per km2 |
| Palau | Micronesia | 459 | 20,040 | 44 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,282,542 | 12 | people per km2 |
| Samoa | Polynesia | 2,821 | 179,374 | 64 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 480,405 | 17 | people per km2 |
| Tonga | Polynesia | 717 | 100,354 | 140 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,942 | 382 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 211,084 | 17 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,862 | 105 | people per km2 |