| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,312 | 263 | people per km2 |
| Australia | Australia | 7,682,300 | 24,764,313 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 7,528 | 32 | people per km2 |
| Fiji | Melanesia | 18,274 | 941,034 | 51 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 301,602 | 79 | people per km2 |
| Guam | Micronesia | 544 | 174,105 | 320 | people per km2 |
| Kiribati | Micronesia | 811 | 115,532 | 142 | people per km2 |
| Marshall Islands | Micronesia | 181 | 81,494 | 450 | people per km2 |
| Nauru | Micronesia | 21 | 9,810 | 467 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 303,268 | 17 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,716,847 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 61,304 | 132 | people per km2 |
| Palau | Micronesia | 459 | 21,857 | 48 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,662,926 | 17 | people per km2 |
| Samoa | Polynesia | 2,821 | 206,503 | 73 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 730,998 | 26 | people per km2 |
| Tonga | Polynesia | 717 | 102,620 | 143 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,567 | 445 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 316,891 | 26 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,838 | 112 | people per km2 |