| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 55,957 | 281 | people per km2 |
| Australia | Australia | 7,682,300 | 19,046,782 | 2 | people per km2 |
| Cook Islands | Polynesia | 236 | 15,385 | 65 | people per km2 |
| Fiji | Melanesia | 18,274 | 793,448 | 43 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 235,223 | 61 | people per km2 |
| Guam | Micronesia | 544 | 152,701 | 281 | people per km2 |
| Kiribati | Micronesia | 811 | 84,225 | 104 | people per km2 |
| Marshall Islands | Micronesia | 181 | 52,217 | 288 | people per km2 |
| Nauru | Micronesia | 21 | 9,584 | 456 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 210,858 | 12 | people per km2 |
| New Zealand | New Zealand | 264,537 | 3,781,891 | 14 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 70,683 | 152 | people per km2 |
| Palau | Micronesia | 459 | 19,378 | 42 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 4,783,546 | 11 | people per km2 |
| Samoa | Polynesia | 2,821 | 172,603 | 61 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 431,079 | 15 | people per km2 |
| Tonga | Polynesia | 717 | 97,785 | 136 | people per km2 |
| Tuvalu | Polynesia | 26 | 9,808 | 377 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 190,022 | 16 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 14,496 | 102 | people per km2 |