| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,794 | 280 | people per km2 |
| Australia | Australia | 7,682,300 | 19,287,066 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 14,834 | 63 | people per km2 |
| Fiji | Melanesia | 18,274 | 799,283 | 44 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 239,397 | 63 | people per km2 |
| Guam | Micronesia | 544 | 153,704 | 283 | people per km2 |
| Kiribati | Micronesia | 811 | 85,856 | 106 | people per km2 |
| Marshall Islands | Micronesia | 181 | 53,342 | 295 | people per km2 |
| Nauru | Micronesia | 21 | 9,613 | 458 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 215,207 | 12 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,843,658 | 15 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 73,050 | 157 | people per km2 |
| Palau | Micronesia | 459 | 19,546 | 43 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 4,907,724 | 11 | people per km2 |
| Samoa | Polynesia | 2,821 | 174,234 | 62 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 443,226 | 16 | people per km2 |
| Tonga | Polynesia | 717 | 98,453 | 137 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,806 | 377 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 195,165 | 16 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,593 | 103 | people per km2 |