| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 49,585 | 249 | people per km2 |
| Australia | Australia | 7,682,300 | 27,408,874 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,876 | 25 | people per km2 |
| Fiji | Melanesia | 18,274 | 984,845 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 319,678 | 84 | people per km2 |
| Guam | Micronesia | 544 | 192,883 | 355 | people per km2 |
| Kiribati | Micronesia | 811 | 130,761 | 161 | people per km2 |
| Marshall Islands | Micronesia | 181 | 95,450 | 527 | people per km2 |
| Nauru | Micronesia | 21 | 10,822 | 515 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 346,462 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,049,452 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 71,783 | 155 | people per km2 |
| Palau | Micronesia | 459 | 22,775 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,159,850 | 20 | people per km2 |
| Samoa | Polynesia | 2,821 | 228,192 | 81 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 904,720 | 32 | people per km2 |
| Tonga | Polynesia | 717 | 92,293 | 129 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,629 | 486 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 386,962 | 32 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,780 | 111 | people per km2 |