| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 53,296 | 268 | people per km2 |
| Australia | Australia | 7,682,300 | 22,234,828 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 9,988 | 42 | people per km2 |
| Fiji | Melanesia | 18,274 | 885,394 | 48 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 275,705 | 72 | people per km2 |
| Guam | Micronesia | 544 | 158,275 | 291 | people per km2 |
| Kiribati | Micronesia | 811 | 102,279 | 126 | people per km2 |
| Marshall Islands | Micronesia | 181 | 69,145 | 382 | people per km2 |
| Nauru | Micronesia | 21 | 9,250 | 440 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 263,689 | 14 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,343,275 | 16 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 50,504 | 109 | people per km2 |
| Palau | Micronesia | 459 | 20,957 | 46 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,394,566 | 14 | people per km2 |
| Samoa | Polynesia | 2,821 | 192,509 | 68 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 594,141 | 21 | people per km2 |
| Tonga | Polynesia | 717 | 103,956 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,536 | 405 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 260,167 | 21 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,349 | 108 | people per km2 |