| Country | Region | Land Area ( km2 ) | Population | Population Density | |
|---|---|---|---|---|---|
| American Samoa | Polynesia | 199 | 53,955 | 271 | people per km2 |
| Australia | Australia | 7,682,300 | 21,499,676 | 3 | people per km2 |
| Cook Islands | Polynesia | 236 | 10,956 | 46 | people per km2 |
| Fiji | Melanesia | 18,274 | 864,650 | 47 | people per km2 |
| French Polynesia | Polynesia | 3,827 | 267,321 | 70 | people per km2 |
| Guam | Micronesia | 544 | 156,779 | 288 | people per km2 |
| Kiribati | Micronesia | 811 | 98,534 | 121 | people per km2 |
| Marshall Islands | Micronesia | 181 | 65,269 | 361 | people per km2 |
| Nauru | Micronesia | 21 | 9,071 | 432 | people per km2 |
| New Caledonia | Melanesia | 18,275 | 252,128 | 14 | people per km2 |
| New Zealand | New Zealand | 264,537 | 4,231,917 | 16 | people per km2 |
| Northern Mariana Islands | Micronesia | 464 | 51,092 | 110 | people per km2 |
| Palau | Micronesia | 459 | 20,734 | 45 | people per km2 |
| Papua New Guinea | Melanesia | 452,860 | 6,029,551 | 13 | people per km2 |
| Samoa | Polynesia | 2,821 | 188,896 | 67 | people per km2 |
| Solomon Islands | Melanesia | 27,986 | 556,218 | 20 | people per km2 |
| Tonga | Polynesia | 717 | 103,269 | 144 | people per km2 |
| Tuvalu | Polynesia | 26 | 10,309 | 397 | people per km2 |
| Vanuatu | Melanesia | 12,189 | 243,886 | 20 | people per km2 |
| Wallis and Futuna | Polynesia | 142 | 15,183 | 107 | people per km2 |