| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,281 | 278 | people per km2 |
| Australia | Australia | 7,682,300 | 20,229,702 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 12,901 | 55 | people per km2 |
| Fiji | Melanesia | 18,274 | 825,211 | 45 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 252,306 | 66 | people per km2 |
| Guam | Micronesia | 544 | 155,713 | 286 | people per km2 |
| Kiribati | Micronesia | 811 | 91,663 | 113 | people per km2 |
| Marshall Islands | Micronesia | 181 | 58,520 | 323 | people per km2 |
| Nauru | Micronesia | 21 | 9,347 | 445 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 232,347 | 13 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,031,787 | 15 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 59,322 | 128 | people per km2 |
| Palau | Micronesia | 459 | 20,196 | 44 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,407,849 | 12 | people per km2 |
| Samoa | Polynesia | 2,821 | 181,143 | 64 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 492,950 | 18 | people per km2 |
| Tonga | Polynesia | 717 | 100,946 | 141 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,998 | 385 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 216,525 | 18 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,923 | 105 | people per km2 |