| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,012 | 276 | people per km2 |
| Australia | Australia | 7,682,300 | 20,488,676 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 12,476 | 53 | people per km2 |
| Fiji | Melanesia | 18,274 | 832,608 | 46 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 255,359 | 67 | people per km2 |
| Guam | Micronesia | 544 | 156,012 | 287 | people per km2 |
| Kiribati | Micronesia | 811 | 93,127 | 115 | people per km2 |
| Marshall Islands | Micronesia | 181 | 59,873 | 331 | people per km2 |
| Nauru | Micronesia | 21 | 8,860 | 422 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 236,318 | 13 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,073,560 | 15 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 57,944 | 125 | people per km2 |
| Palau | Micronesia | 459 | 20,333 | 44 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,533,104 | 12 | people per km2 |
| Samoa | Polynesia | 2,821 | 182,953 | 65 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 505,549 | 18 | people per km2 |
| Tonga | Polynesia | 717 | 101,518 | 142 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,054 | 387 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 221,997 | 18 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,969 | 105 | people per km2 |