| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 51,092 | 257 | people per km2 |
| Australia | Australia | 7,682,300 | 26,306,258 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 6,484 | 27 | people per km2 |
| Fiji | Melanesia | 18,274 | 966,644 | 53 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 313,706 | 82 | people per km2 |
| Guam | Micronesia | 544 | 185,555 | 341 | people per km2 |
| Kiribati | Micronesia | 811 | 124,402 | 153 | people per km2 |
| Marshall Islands | Micronesia | 181 | 89,387 | 494 | people per km2 |
| Nauru | Micronesia | 21 | 10,260 | 489 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 328,283 | 18 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,925,195 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 67,012 | 144 | people per km2 |
| Palau | Micronesia | 459 | 22,479 | 49 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 8,502,894 | 19 | people per km2 |
| Samoa | Polynesia | 2,821 | 218,163 | 77 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 826,906 | 30 | people per km2 |
| Tonga | Polynesia | 717 | 98,516 | 137 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,202 | 469 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 355,360 | 29 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,915 | 112 | people per km2 |