| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,762 | 265 | people per km2 |
| Australia | Australia | 7,682,300 | 23,189,010 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 8,915 | 38 | people per km2 |
| Fiji | Melanesia | 18,274 | 909,487 | 50 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 286,160 | 75 | people per km2 |
| Guam | Micronesia | 544 | 162,491 | 299 | people per km2 |
| Kiribati | Micronesia | 811 | 107,142 | 132 | people per km2 |
| Marshall Islands | Micronesia | 181 | 73,913 | 408 | people per km2 |
| Nauru | Micronesia | 21 | 9,471 | 451 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 278,581 | 15 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,486,353 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 54,758 | 118 | people per km2 |
| Palau | Micronesia | 459 | 21,277 | 46 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,868,412 | 15 | people per km2 |
| Samoa | Polynesia | 2,821 | 197,320 | 70 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 644,283 | 23 | people per km2 |
| Tonga | Polynesia | 717 | 104,106 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,891 | 419 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 281,354 | 23 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,558 | 110 | people per km2 |