| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Australia | Australia | 7,682,300 | 18,581,742 | 2 | people per km2 |
| Cook Islands | Polynesia | 236 | 16,456 | 70 | people per km2 |
| Fiji | Melanesia | 18,274 | 781,106 | 43 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 226,896 | 59 | people per km2 |
| Kiribati | Micronesia | 811 | 80,649 | 99 | people per km2 |
| Marshall Islands | Micronesia | 181 | 50,414 | 279 | people per km2 |
| Nauru | Micronesia | 21 | 9,604 | 457 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 202,872 | 11 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,727,871 | 14 | people per km2 |
| Palau | Micronesia | 459 | 18,947 | 41 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 4,539,540 | 10 | people per km2 |
| Samoa | Polynesia | 2,821 | 169,589 | 60 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 407,283 | 15 | people per km2 |
| Tonga | Polynesia | 717 | 96,409 | 134 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,768 | 376 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 180,043 | 15 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,211 | 100 | people per km2 |