| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 51,978 | 261 | people per km2 |
| Australia | Australia | 7,682,300 | 25,381,230 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 7,083 | 30 | people per km2 |
| Fiji | Melanesia | 18,274 | 951,485 | 52 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 306,838 | 80 | people per km2 |
| Guam | Micronesia | 544 | 178,752 | 329 | people per km2 |
| Kiribati | Micronesia | 811 | 119,009 | 147 | people per km2 |
| Marshall Islands | Micronesia | 181 | 84,518 | 467 | people per km2 |
| Nauru | Micronesia | 21 | 9,958 | 474 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 313,137 | 17 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,803,244 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 63,558 | 137 | people per km2 |
| Palau | Micronesia | 459 | 22,101 | 48 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,987,155 | 18 | people per km2 |
| Samoa | Polynesia | 2,821 | 210,778 | 75 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 767,504 | 27 | people per km2 |
| Tonga | Polynesia | 717 | 101,401 | 141 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,831 | 455 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 331,560 | 27 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,900 | 112 | people per km2 |