| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 54,471 | 274 | people per km2 |
| Australia | Australia | 7,682,300 | 20,998,853 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 11,680 | 49 | people per km2 |
| Fiji | Melanesia | 18,274 | 849,206 | 46 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 261,430 | 68 | people per km2 |
| Guam | Micronesia | 544 | 156,441 | 288 | people per km2 |
| Kiribati | Micronesia | 811 | 95,921 | 118 | people per km2 |
| Marshall Islands | Micronesia | 181 | 62,590 | 346 | people per km2 |
| Nauru | Micronesia | 21 | 8,960 | 427 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 244,296 | 13 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,154,932 | 16 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 54,254 | 117 | people per km2 |
| Palau | Micronesia | 459 | 20,561 | 45 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,782,648 | 13 | people per km2 |
| Samoa | Polynesia | 2,821 | 186,302 | 66 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 530,871 | 19 | people per km2 |
| Tonga | Polynesia | 717 | 102,523 | 143 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,174 | 391 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 232,945 | 19 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,072 | 106 | people per km2 |