| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 49,233 | 247 | people per km2 |
| Australia | Australia | 7,682,300 | 27,690,957 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,744 | 24 | people per km2 |
| Fiji | Melanesia | 18,274 | 989,297 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 320,665 | 84 | people per km2 |
| Guam | Micronesia | 544 | 194,509 | 358 | people per km2 |
| Kiribati | Micronesia | 811 | 132,320 | 163 | people per km2 |
| Marshall Islands | Micronesia | 181 | 96,943 | 536 | people per km2 |
| Nauru | Micronesia | 21 | 11,007 | 524 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 351,028 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,075,907 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 73,102 | 158 | people per km2 |
| Palau | Micronesia | 459 | 22,806 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,332,161 | 21 | people per km2 |
| Samoa | Polynesia | 2,821 | 230,911 | 82 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 925,480 | 33 | people per km2 |
| Tonga | Polynesia | 717 | 89,965 | 125 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,743 | 490 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 395,423 | 32 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,722 | 111 | people per km2 |