| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,858 | 266 | people per km2 |
| Australia | Australia | 7,682,300 | 22,953,263 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 9,162 | 39 | people per km2 |
| Fiji | Melanesia | 18,274 | 903,878 | 49 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 283,636 | 74 | people per km2 |
| Guam | Micronesia | 544 | 161,180 | 296 | people per km2 |
| Kiribati | Micronesia | 811 | 105,932 | 131 | people per km2 |
| Marshall Islands | Micronesia | 181 | 72,757 | 402 | people per km2 |
| Nauru | Micronesia | 21 | 9,417 | 448 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 274,908 | 15 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,451,138 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 53,662 | 116 | people per km2 |
| Palau | Micronesia | 459 | 21,193 | 46 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,751,104 | 15 | people per km2 |
| Samoa | Polynesia | 2,821 | 196,094 | 70 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 631,779 | 23 | people per km2 |
| Tonga | Polynesia | 717 | 104,143 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,798 | 415 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 276,111 | 23 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,505 | 109 | people per km2 |