| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 48,690 | 245 | people per km2 |
| Australia | Australia | 7,682,300 | 28,591,795 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,429 | 23 | people per km2 |
| Fiji | Melanesia | 18,274 | 1,000,762 | 55 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 321,668 | 84 | people per km2 |
| Guam | Micronesia | 544 | 198,850 | 366 | people per km2 |
| Kiribati | Micronesia | 811 | 137,092 | 169 | people per km2 |
| Marshall Islands | Micronesia | 181 | 101,152 | 559 | people per km2 |
| Nauru | Micronesia | 21 | 11,697 | 557 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 364,878 | 20 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,139,992 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 76,837 | 166 | people per km2 |
| Palau | Micronesia | 459 | 22,724 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,883,512 | 22 | people per km2 |
| Samoa | Polynesia | 2,821 | 240,373 | 85 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 991,897 | 35 | people per km2 |
| Tonga | Polynesia | 717 | 79,811 | 111 | people per km2 |
| Tuvalu | Polynesia | 26 | 13,140 | 505 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 422,729 | 35 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,494 | 109 | people per km2 |