| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Australia | Australia | 7,682,300 | 18,163,356 | 2 | people per km2 |
| Cook Islands | Polynesia | 236 | 17,406 | 74 | people per km2 |
| Fiji | Melanesia | 18,274 | 766,421 | 42 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 218,734 | 57 | people per km2 |
| Kiribati | Micronesia | 811 | 77,036 | 95 | people per km2 |
| Marshall Islands | Micronesia | 181 | 49,044 | 271 | people per km2 |
| Nauru | Micronesia | 21 | 9,546 | 455 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 194,966 | 11 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,681,336 | 14 | people per km2 |
| Palau | Micronesia | 459 | 17,966 | 39 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 4,303,738 | 10 | people per km2 |
| Samoa | Polynesia | 2,821 | 166,498 | 59 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 384,137 | 14 | people per km2 |
| Tonga | Polynesia | 717 | 94,994 | 132 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,658 | 371 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 13,969 | 98 | people per km2 |