| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,105 | 262 | people per km2 |
| Australia | Australia | 7,682,300 | 25,180,516 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 7,223 | 31 | people per km2 |
| Fiji | Melanesia | 18,274 | 948,151 | 52 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 305,183 | 80 | people per km2 |
| Guam | Micronesia | 544 | 177,243 | 326 | people per km2 |
| Kiribati | Micronesia | 811 | 117,861 | 145 | people per km2 |
| Marshall Islands | Micronesia | 181 | 83,517 | 461 | people per km2 |
| Nauru | Micronesia | 21 | 9,908 | 472 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 309,903 | 17 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,775,482 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 62,827 | 135 | people per km2 |
| Palau | Micronesia | 459 | 22,022 | 48 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,880,038 | 17 | people per km2 |
| Samoa | Polynesia | 2,821 | 209,328 | 74 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 755,380 | 27 | people per km2 |
| Tonga | Polynesia | 717 | 101,843 | 142 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,746 | 452 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 326,692 | 27 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,884 | 112 | people per km2 |