| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 51,832 | 260 | people per km2 |
| Australia | Australia | 7,682,300 | 25,576,683 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,950 | 29 | people per km2 |
| Fiji | Melanesia | 18,274 | 954,713 | 52 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 308,402 | 81 | people per km2 |
| Guam | Micronesia | 544 | 180,217 | 331 | people per km2 |
| Kiribati | Micronesia | 811 | 120,137 | 148 | people per km2 |
| Marshall Islands | Micronesia | 181 | 85,514 | 472 | people per km2 |
| Nauru | Micronesia | 21 | 10,011 | 477 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 316,306 | 17 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,829,920 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 64,270 | 139 | people per km2 |
| Palau | Micronesia | 459 | 22,180 | 48 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,093,175 | 18 | people per km2 |
| Samoa | Polynesia | 2,821 | 212,249 | 75 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 779,572 | 28 | people per km2 |
| Tonga | Polynesia | 717 | 100,915 | 141 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,911 | 458 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 336,401 | 28 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,913 | 112 | people per km2 |