| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 56,061 | 282 | people per km2 |
| Australia | Australia | 7,682,300 | 18,804,635 | 2 | people per km2 |
| Cook Islands | Polynesia | 236 | 15,936 | 68 | people per km2 |
| Fiji | Melanesia | 18,274 | 787,545 | 43 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 231,008 | 60 | people per km2 |
| Guam | Micronesia | 544 | 151,735 | 279 | people per km2 |
| Kiribati | Micronesia | 811 | 82,455 | 102 | people per km2 |
| Marshall Islands | Micronesia | 181 | 51,246 | 283 | people per km2 |
| Nauru | Micronesia | 21 | 9,596 | 457 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 206,777 | 11 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,745,976 | 14 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 68,401 | 147 | people per km2 |
| Palau | Micronesia | 459 | 19,233 | 42 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 4,660,560 | 10 | people per km2 |
| Samoa | Polynesia | 2,821 | 171,095 | 61 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 419,090 | 15 | people per km2 |
| Tonga | Polynesia | 717 | 97,102 | 135 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,796 | 377 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 184,973 | 15 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,359 | 101 | people per km2 |