| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 53,494 | 269 | people per km2 |
| Australia | Australia | 7,682,300 | 21,991,745 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 10,294 | 44 | people per km2 |
| Fiji | Melanesia | 18,274 | 878,707 | 48 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 272,954 | 71 | people per km2 |
| Guam | Micronesia | 544 | 157,627 | 290 | people per km2 |
| Kiribati | Micronesia | 811 | 101,037 | 125 | people per km2 |
| Marshall Islands | Micronesia | 181 | 67,882 | 375 | people per km2 |
| Nauru | Micronesia | 21 | 9,190 | 438 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 259,869 | 14 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,306,600 | 16 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 50,165 | 108 | people per km2 |
| Palau | Micronesia | 459 | 20,882 | 45 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,273,630 | 14 | people per km2 |
| Samoa | Polynesia | 2,821 | 191,308 | 68 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 581,516 | 21 | people per km2 |
| Tonga | Polynesia | 717 | 103,782 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,456 | 402 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 254,769 | 21 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,294 | 108 | people per km2 |