| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,556 | 264 | people per km2 |
| Australia | Australia | 7,682,300 | 23,882,753 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 8,252 | 35 | people per km2 |
| Fiji | Melanesia | 18,274 | 924,465 | 51 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 293,288 | 77 | people per km2 |
| Guam | Micronesia | 544 | 167,383 | 308 | people per km2 |
| Kiribati | Micronesia | 811 | 110,767 | 137 | people per km2 |
| Marshall Islands | Micronesia | 181 | 77,270 | 427 | people per km2 |
| Nauru | Micronesia | 21 | 9,623 | 458 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 289,395 | 16 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,588,902 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 57,842 | 125 | people per km2 |
| Palau | Micronesia | 459 | 21,526 | 47 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,214,685 | 16 | people per km2 |
| Samoa | Polynesia | 2,821 | 201,115 | 71 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 681,634 | 24 | people per km2 |
| Tonga | Polynesia | 717 | 103,716 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,182 | 430 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 296,811 | 24 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,696 | 111 | people per km2 |