| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Australia | Australia | 7,682,300 | 17,159,434 | 2 | people per km2 |
| Cook Islands | Polynesia | 236 | 18,007 | 76 | people per km2 |
| Fiji | Melanesia | 18,274 | 732,802 | 40 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 201,551 | 53 | people per km2 |
| Kiribati | Micronesia | 811 | 71,142 | 88 | people per km2 |
| Marshall Islands | Micronesia | 181 | 46,273 | 256 | people per km2 |
| Nauru | Micronesia | 21 | 9,518 | 453 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 173,345 | 9 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,434,440 | 13 | people per km2 |
| Palau | Micronesia | 459 | 15,670 | 34 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 3,758,008 | 8 | people per km2 |
| Samoa | Polynesia | 2,821 | 159,372 | 56 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 329,601 | 12 | people per km2 |
| Tonga | Polynesia | 717 | 93,625 | 131 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,215 | 354 | people per km2 |