| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 49,781 | 250 | people per km2 |
| Australia | Australia | 7,682,300 | 27,262,928 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,948 | 25 | people per km2 |
| Fiji | Melanesia | 18,274 | 982,472 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 319,068 | 83 | people per km2 |
| Guam | Micronesia | 544 | 191,994 | 353 | people per km2 |
| Kiribati | Micronesia | 811 | 129,941 | 160 | people per km2 |
| Marshall Islands | Micronesia | 181 | 94,656 | 523 | people per km2 |
| Nauru | Micronesia | 21 | 10,733 | 511 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 344,077 | 19 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,034,748 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 71,107 | 153 | people per km2 |
| Palau | Micronesia | 459 | 22,751 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,070,997 | 20 | people per km2 |
| Samoa | Polynesia | 2,821 | 226,809 | 80 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 894,064 | 32 | people per km2 |
| Tonga | Polynesia | 717 | 93,362 | 130 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,571 | 484 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 382,619 | 31 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,807 | 111 | people per km2 |