| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 48,861 | 246 | people per km2 |
| Australia | Australia | 7,682,300 | 28,092,082 | 4 | people per km2 |
| Cook Islands | Polynesia | 236 | 5,582 | 24 | people per km2 |
| Fiji | Melanesia | 18,274 | 995,028 | 54 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 321,557 | 84 | people per km2 |
| Guam | Micronesia | 544 | 196,612 | 361 | people per km2 |
| Kiribati | Micronesia | 811 | 134,479 | 166 | people per km2 |
| Marshall Islands | Micronesia | 181 | 98,945 | 547 | people per km2 |
| Nauru | Micronesia | 21 | 11,296 | 538 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 357,368 | 20 | people per km2 |
| New Zealand | New Zealand | 264,537 | 5,108,603 | 19 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 74,910 | 161 | people per km2 |
| Palau | Micronesia | 459 | 22,809 | 50 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 9,578,039 | 21 | people per km2 |
| Samoa | Polynesia | 2,821 | 234,931 | 83 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 955,197 | 34 | people per km2 |
| Tonga | Polynesia | 717 | 85,987 | 120 | people per km2 |
| Tuvalu | Polynesia | 26 | 12,914 | 497 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 407,594 | 33 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,629 | 110 | people per km2 |