| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 53,716 | 270 | people per km2 |
| Australia | Australia | 7,682,300 | 21,746,742 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 10,616 | 45 | people per km2 |
| Fiji | Melanesia | 18,274 | 871,784 | 48 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 270,158 | 71 | people per km2 |
| Guam | Micronesia | 544 | 157,129 | 289 | people per km2 |
| Kiribati | Micronesia | 811 | 99,789 | 123 | people per km2 |
| Marshall Islands | Micronesia | 181 | 66,588 | 368 | people per km2 |
| Nauru | Micronesia | 21 | 9,130 | 435 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 256,015 | 14 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,269,495 | 16 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 50,357 | 109 | people per km2 |
| Palau | Micronesia | 459 | 20,809 | 45 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,151,897 | 14 | people per km2 |
| Samoa | Polynesia | 2,821 | 190,103 | 67 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 568,870 | 20 | people per km2 |
| Tonga | Polynesia | 717 | 103,552 | 144 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,380 | 399 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 249,339 | 20 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,238 | 107 | people per km2 |