| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 52,979 | 266 | people per km2 |
| Australia | Australia | 7,682,300 | 22,715,606 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 9,423 | 40 | people per km2 |
| Fiji | Melanesia | 18,274 | 897,991 | 49 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 281,051 | 73 | people per km2 |
| Guam | Micronesia | 544 | 160,042 | 294 | people per km2 |
| Kiribati | Micronesia | 811 | 104,724 | 129 | people per km2 |
| Marshall Islands | Micronesia | 181 | 71,579 | 395 | people per km2 |
| Nauru | Micronesia | 21 | 9,362 | 446 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 271,205 | 15 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,415,532 | 17 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 52,532 | 113 | people per km2 |
| Palau | Micronesia | 459 | 21,113 | 46 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,633,225 | 15 | people per km2 |
| Samoa | Polynesia | 2,821 | 194,896 | 69 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 619,271 | 22 | people per km2 |
| Tonga | Polynesia | 717 | 104,133 | 145 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,708 | 412 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 270,839 | 22 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,454 | 109 | people per km2 |