| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 51,670 | 260 | people per km2 |
| Australia | Australia | 7,682,300 | 25,766,721 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,824 | 29 | people per km2 |
| Fiji | Melanesia | 18,274 | 957,842 | 52 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 309,870 | 81 | people per km2 |
| Guam | Micronesia | 544 | 181,634 | 334 | people per km2 |
| Kiribati | Micronesia | 811 | 121,241 | 149 | people per km2 |
| Marshall Islands | Micronesia | 181 | 86,502 | 478 | people per km2 |
| Nauru | Micronesia | 21 | 10,069 | 479 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 319,406 | 17 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,855,467 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 64,966 | 140 | people per km2 |
| Palau | Micronesia | 459 | 22,259 | 48 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,197,841 | 18 | people per km2 |
| Samoa | Polynesia | 2,821 | 213,729 | 76 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 791,559 | 28 | people per km2 |
| Tonga | Polynesia | 717 | 100,387 | 140 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,989 | 461 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 341,203 | 28 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,921 | 112 | people per km2 |