| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 54,741 | 275 | people per km2 |
| Australia | Australia | 7,682,300 | 20,744,982 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 12,068 | 51 | people per km2 |
| Fiji | Melanesia | 18,274 | 840,783 | 46 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 258,381 | 68 | people per km2 |
| Guam | Micronesia | 544 | 156,253 | 287 | people per km2 |
| Kiribati | Micronesia | 811 | 94,546 | 117 | people per km2 |
| Marshall Islands | Micronesia | 181 | 61,234 | 338 | people per km2 |
| Nauru | Micronesia | 21 | 8,909 | 424 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 240,363 | 13 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,114,873 | 16 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 56,266 | 121 | people per km2 |
| Palau | Micronesia | 459 | 20,455 | 45 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 5,658,107 | 12 | people per km2 |
| Samoa | Polynesia | 2,821 | 184,706 | 65 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 518,196 | 19 | people per km2 |
| Tonga | Polynesia | 717 | 102,051 | 142 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,112 | 389 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 227,472 | 19 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,018 | 106 | people per km2 |