| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 50,209 | 252 | people per km2 |
| Australia | Australia | 7,682,300 | 26,960,428 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,108 | 26 | people per km2 |
| Fiji | Melanesia | 18,274 | 977,457 | 53 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 317,619 | 83 | people per km2 |
| Guam | Micronesia | 544 | 190,066 | 349 | people per km2 |
| Kiribati | Micronesia | 811 | 128,220 | 158 | people per km2 |
| Marshall Islands | Micronesia | 181 | 92,991 | 514 | people per km2 |
| Nauru | Micronesia | 21 | 10,564 | 503 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 339,105 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,002,439 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 69,742 | 150 | people per km2 |
| Palau | Micronesia | 459 | 22,688 | 49 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,888,235 | 20 | people per km2 |
| Samoa | Polynesia | 2,821 | 223,995 | 79 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 872,266 | 31 | people per km2 |
| Tonga | Polynesia | 717 | 95,311 | 133 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,454 | 479 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 373,741 | 31 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,853 | 112 | people per km2 |