| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,614 | 264 | people per km2 |
| Australia | Australia | 7,682,300 | 23,654,053 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 8,461 | 36 | people per km2 |
| Fiji | Melanesia | 18,274 | 919,781 | 50 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 290,996 | 76 | people per km2 |
| Guam | Micronesia | 544 | 165,641 | 304 | people per km2 |
| Kiribati | Micronesia | 811 | 109,568 | 135 | people per km2 |
| Marshall Islands | Micronesia | 181 | 76,173 | 421 | people per km2 |
| Nauru | Micronesia | 21 | 9,574 | 456 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 285,830 | 16 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,555,267 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 56,851 | 123 | people per km2 |
| Palau | Micronesia | 459 | 21,444 | 47 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,100,415 | 16 | people per km2 |
| Samoa | Polynesia | 2,821 | 199,839 | 71 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 669,225 | 24 | people per km2 |
| Tonga | Polynesia | 717 | 103,893 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,084 | 426 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 291,713 | 24 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,651 | 110 | people per km2 |