| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 48,696 | 245 | people per km2 |
| Australia | Australia | 7,682,300 | 28,470,278 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,460 | 23 | people per km2 |
| Fiji | Melanesia | 18,274 | 999,519 | 55 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 321,753 | 84 | people per km2 |
| Guam | Micronesia | 544 | 198,345 | 365 | people per km2 |
| Kiribati | Micronesia | 811 | 136,465 | 168 | people per km2 |
| Marshall Islands | Micronesia | 181 | 100,649 | 556 | people per km2 |
| Nauru | Micronesia | 21 | 11,596 | 552 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 363,106 | 20 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,133,395 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 76,418 | 165 | people per km2 |
| Palau | Micronesia | 459 | 22,756 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,809,199 | 22 | people per km2 |
| Samoa | Polynesia | 2,821 | 238,994 | 85 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 983,037 | 35 | people per km2 |
| Tonga | Polynesia | 717 | 81,445 | 114 | people per km2 |
| Tuvalu | Polynesia | 26 | 13,085 | 503 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 419,065 | 34 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,529 | 109 | people per km2 |