| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,455 | 264 | people per km2 |
| Australia | Australia | 7,682,300 | 24,330,779 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 7,870 | 33 | people per km2 |
| Fiji | Melanesia | 18,274 | 933,145 | 51 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 297,624 | 78 | people per km2 |
| Guam | Micronesia | 544 | 170,807 | 314 | people per km2 |
| Kiribati | Micronesia | 811 | 113,158 | 140 | people per km2 |
| Marshall Islands | Micronesia | 181 | 79,409 | 439 | people per km2 |
| Nauru | Micronesia | 21 | 9,714 | 463 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 296,420 | 16 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,654,391 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 59,667 | 129 | people per km2 |
| Palau | Micronesia | 459 | 21,694 | 47 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,440,669 | 16 | people per km2 |
| Samoa | Polynesia | 2,821 | 203,743 | 72 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 706,376 | 25 | people per km2 |
| Tonga | Polynesia | 717 | 103,242 | 144 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,378 | 438 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 306,910 | 25 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,774 | 111 | people per km2 |