| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,603 | 279 | people per km2 |
| Australia | Australia | 7,682,300 | 19,516,146 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 14,313 | 61 | people per km2 |
| Fiji | Melanesia | 18,274 | 805,258 | 44 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 243,159 | 64 | people per km2 |
| Guam | Micronesia | 544 | 154,427 | 284 | people per km2 |
| Kiribati | Micronesia | 811 | 87,356 | 108 | people per km2 |
| Marshall Islands | Micronesia | 181 | 54,595 | 302 | people per km2 |
| Nauru | Micronesia | 21 | 9,668 | 460 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 219,566 | 12 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,905,332 | 15 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 75,334 | 162 | people per km2 |
| Palau | Micronesia | 459 | 19,702 | 43 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,032,352 | 11 | people per km2 |
| Samoa | Polynesia | 2,821 | 175,929 | 62 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 455,514 | 16 | people per km2 |
| Tonga | Polynesia | 717 | 99,108 | 138 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,831 | 378 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 200,394 | 16 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,677 | 103 | people per km2 |