| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,392 | 263 | people per km2 |
| Australia | Australia | 7,682,300 | 24,549,514 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 7,695 | 33 | people per km2 |
| Fiji | Melanesia | 18,274 | 937,184 | 51 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 299,664 | 78 | people per km2 |
| Guam | Micronesia | 544 | 172,475 | 317 | people per km2 |
| Kiribati | Micronesia | 811 | 114,350 | 141 | people per km2 |
| Marshall Islands | Micronesia | 181 | 80,458 | 445 | people per km2 |
| Nauru | Micronesia | 21 | 9,763 | 465 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 299,871 | 16 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,686,059 | 18 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 60,506 | 130 | people per km2 |
| Palau | Micronesia | 459 | 21,776 | 47 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 7,552,383 | 17 | people per km2 |
| Samoa | Polynesia | 2,821 | 205,111 | 73 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 718,711 | 26 | people per km2 |
| Tonga | Polynesia | 717 | 102,950 | 144 | people per km2 |
| Tuvalu | Polynesia | 26 | 11,474 | 441 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 311,921 | 26 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,807 | 111 | people per km2 |