| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| Australia | Australia | 7,682,300 | 17,523,133 | 2 | people per km2 |
| Cook Islands | Polynesia | 236 | 17,876 | 76 | people per km2 |
| Fiji | Melanesia | 18,274 | 746,042 | 41 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 208,569 | 54 | people per km2 |
| Kiribati | Micronesia | 811 | 73,152 | 90 | people per km2 |
| Marshall Islands | Micronesia | 181 | 47,542 | 263 | people per km2 |
| Nauru | Micronesia | 21 | 9,536 | 454 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 183,179 | 10 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,528,611 | 13 | people per km2 |
| Palau | Micronesia | 459 | 16,510 | 36 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 3,967,291 | 9 | people per km2 |
| Samoa | Polynesia | 2,821 | 162,107 | 57 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 350,775 | 13 | people per km2 |
| Tonga | Polynesia | 717 | 94,095 | 131 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,371 | 360 | people per km2 |