| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 53,125 | 267 | people per km2 |
| Australia | Australia | 7,682,300 | 22,476,113 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 9,698 | 41 | people per km2 |
| Fiji | Melanesia | 18,274 | 891,828 | 49 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 278,407 | 73 | people per km2 |
| Guam | Micronesia | 544 | 159,078 | 292 | people per km2 |
| Kiribati | Micronesia | 811 | 103,510 | 128 | people per km2 |
| Marshall Islands | Micronesia | 181 | 70,375 | 389 | people per km2 |
| Nauru | Micronesia | 21 | 9,307 | 443 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 267,470 | 15 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,379,580 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 51,382 | 111 | people per km2 |
| Palau | Micronesia | 459 | 21,034 | 46 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,514,498 | 14 | people per km2 |
| Samoa | Polynesia | 2,821 | 193,707 | 69 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 606,734 | 22 | people per km2 |
| Tonga | Polynesia | 717 | 104,072 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,620 | 408 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 265,527 | 22 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,402 | 108 | people per km2 |