| COUNTRY | POPULATION | AREA | CONTINENT | SUBREGION |
| Australia | 25,499,884 | 7,692,024 km² | Oceania | Australia and New Zealand |
| Papua New Guinea | 8,947,024 | 462,840 km² | Oceania | Melanesia |
| New Zealand | 4,822,233 | 270,467 km² | Oceania | Australia and New Zealand |
| Fiji | 896,445 | 18,272 km² | Oceania | Melanesia |
| Solomon Islands | 686,884 | 28,896 km² | Oceania | Melanesia |
| Vanuatu | 307,145 | 12,189 km² | Oceania | Melanesia |
| New Caledonia | 285,498 | 18,575 km² | Oceania | Melanesia |
| French Polynesia | 280,908 | 4,167 km² | Oceania | Polynesia |
| Samoa | 198,414 | 2,842 km² | Oceania | Polynesia |
| Guam | 168,775 | 549 km² | Oceania | Micronesia |
| Kiribati | 119,449 | 811 km² | Oceania | Micronesia |
| Micronesia | 115,023 | 702 km² | Oceania | Micronesia |
| Tonga | 105,695 | 747 km² | Oceania | Polynesia |
| Marshall Islands | 59,190 | 181 km² | Oceania | Micronesia |
| Northern Mariana Islands | 57,559 | 464 km² | Oceania | Micronesia |
| American Samoa | 55,191 | 199 km² | Oceania | Polynesia |
| Palau | 18,094 | 459 km² | Oceania | Micronesia |
| Cook Islands | 17,564 | 236 km² | Oceania | Polynesia |
| Tuvalu | 11,792 | 26 km² | Oceania | Polynesia |
| Wallis And Futuna | 11,239 | 142 km² | Oceania | Polynesia |
| Nauru | 10,824 | 21 km² | Oceania | Micronesia |
| Niue | 1,626 | 260 km² | Oceania | Polynesia |
| Tokelau | 1,357 | 12 km² | Oceania | Polynesia |
