| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 51,299 | 258 | people per km2 |
| Australia | Australia | 7,682,300 | 26,131,329 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,591 | 28 | people per km2 |
| Fiji | Melanesia | 18,274 | 963,789 | 53 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 312,516 | 82 | people per km2 |
| Guam | Micronesia | 544 | 184,301 | 339 | people per km2 |
| Kiribati | Micronesia | 811 | 123,371 | 152 | people per km2 |
| Marshall Islands | Micronesia | 181 | 88,438 | 489 | people per km2 |
| Nauru | Micronesia | 21 | 10,195 | 485 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 325,396 | 18 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,903,110 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 66,333 | 143 | people per km2 |
| Palau | Micronesia | 459 | 22,411 | 49 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,402,548 | 19 | people per km2 |
| Samoa | Polynesia | 2,821 | 216,682 | 77 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 815,223 | 29 | people per km2 |
| Tonga | Polynesia | 717 | 99,185 | 138 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,134 | 467 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 350,665 | 29 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,921 | 112 | people per km2 |