| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 49,990 | 251 | people per km2 |
| Australia | Australia | 7,682,300 | 27,113,527 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,027 | 26 | people per km2 |
| Fiji | Melanesia | 18,274 | 980,006 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 318,384 | 83 | people per km2 |
| Guam | Micronesia | 544 | 191,056 | 351 | people per km2 |
| Kiribati | Micronesia | 811 | 129,095 | 159 | people per km2 |
| Marshall Islands | Micronesia | 181 | 93,835 | 518 | people per km2 |
| Nauru | Micronesia | 21 | 10,648 | 507 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 341,625 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,019,087 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 70,425 | 152 | people per km2 |
| Palau | Micronesia | 459 | 22,723 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,980,428 | 20 | people per km2 |
| Samoa | Polynesia | 2,821 | 225,412 | 80 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 883,240 | 32 | people per km2 |
| Tonga | Polynesia | 717 | 94,367 | 132 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,513 | 481 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 378,210 | 31 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,831 | 111 | people per km2 |