| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 48,782 | 245 | people per km2 |
| Australia | Australia | 7,682,300 | 28,220,554 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,536 | 23 | people per km2 |
| Fiji | Melanesia | 18,274 | 996,654 | 55 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 321,698 | 84 | people per km2 |
| Guam | Micronesia | 544 | 197,230 | 363 | people per km2 |
| Kiribati | Micronesia | 811 | 135,160 | 167 | people per km2 |
| Marshall Islands | Micronesia | 181 | 99,546 | 550 | people per km2 |
| Nauru | Micronesia | 21 | 11,395 | 543 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 359,350 | 20 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,117,737 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 75,455 | 163 | people per km2 |
| Palau | Micronesia | 459 | 22,797 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,656,577 | 21 | people per km2 |
| Samoa | Polynesia | 2,821 | 236,274 | 84 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 964,686 | 34 | people per km2 |
| Tonga | Polynesia | 717 | 84,535 | 118 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,971 | 499 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 411,499 | 34 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,596 | 110 | people per km2 |