| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,681 | 265 | people per km2 |
| Australia | Australia | 7,682,300 | 23,422,686 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 8,682 | 37 | people per km2 |
| Fiji | Melanesia | 18,274 | 914,795 | 50 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 288,616 | 75 | people per km2 |
| Guam | Micronesia | 544 | 163,977 | 301 | people per km2 |
| Kiribati | Micronesia | 811 | 108,357 | 134 | people per km2 |
| Marshall Islands | Micronesia | 181 | 75,052 | 415 | people per km2 |
| Nauru | Micronesia | 21 | 9,524 | 454 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 282,225 | 15 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,521,078 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 55,820 | 120 | people per km2 |
| Palau | Micronesia | 459 | 21,359 | 47 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,984,931 | 15 | people per km2 |
| Samoa | Polynesia | 2,821 | 198,571 | 70 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 656,768 | 23 | people per km2 |
| Tonga | Polynesia | 717 | 104,024 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,986 | 423 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 286,557 | 24 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,606 | 110 | people per km2 |