| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 49,086 | 247 | people per km2 |
| Australia | Australia | 7,682,300 | 27,827,416 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,686 | 24 | people per km2 |
| Fiji | Melanesia | 18,274 | 991,350 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 321,040 | 84 | people per km2 |
| Guam | Micronesia | 544 | 195,251 | 359 | people per km2 |
| Kiribati | Micronesia | 811 | 133,062 | 164 | people per km2 |
| Marshall Islands | Micronesia | 181 | 97,643 | 539 | people per km2 |
| Nauru | Micronesia | 21 | 11,102 | 529 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 353,208 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,087,696 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 73,729 | 159 | people per km2 |
| Palau | Micronesia | 459 | 22,813 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,415,802 | 21 | people per km2 |
| Samoa | Polynesia | 2,821 | 232,255 | 82 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 935,583 | 33 | people per km2 |
| Tonga | Polynesia | 717 | 88,703 | 124 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,799 | 492 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 399,551 | 33 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,691 | 111 | people per km2 |