| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,507 | 264 | people per km2 |
| Australia | Australia | 7,682,300 | 24,108,425 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 8,054 | 34 | people per km2 |
| Fiji | Melanesia | 18,274 | 928,909 | 51 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 295,496 | 77 | people per km2 |
| Guam | Micronesia | 544 | 169,106 | 311 | people per km2 |
| Kiribati | Micronesia | 811 | 111,961 | 138 | people per km2 |
| Marshall Islands | Micronesia | 181 | 78,347 | 433 | people per km2 |
| Nauru | Micronesia | 21 | 9,669 | 460 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 292,925 | 16 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,621,963 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 58,782 | 127 | people per km2 |
| Palau | Micronesia | 459 | 21,611 | 47 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,328,017 | 16 | people per km2 |
| Samoa | Polynesia | 2,821 | 202,410 | 72 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 694,012 | 25 | people per km2 |
| Tonga | Polynesia | 717 | 103,497 | 144 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,281 | 434 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 301,870 | 25 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,737 | 111 | people per km2 |