American Samoa
- Population: 55,197
- Region: Oceania
- Capital: Pago Pago
Australia
- Population: 25,687,041
- Region: Oceania
- Capital: Canberra
Christmas Island
- Population: 2,072
- Region: Oceania
- Capital: Flying Fish Cove
Cocos (Keeling) Islands
- Population: 544
- Region: Oceania
- Capital: West Island
Cook Islands
- Population: 18,100
- Region: Oceania
- Capital: Avarua
Fiji
- Population: 896,444
- Region: Oceania
- Capital: Suva
French Polynesia
- Population: 280,904
- Region: Oceania
- Capital: Papeetē
Guam
- Population: 168,783
- Region: Oceania
- Capital: Hagåtña
Kiribati
- Population: 119,446
- Region: Oceania
- Capital: South Tarawa
Marshall Islands
- Population: 59,194
- Region: Oceania
- Capital: Majuro
Micronesia
- Population: 115,021
- Region: Oceania
- Capital: Palikir
Nauru
- Population: 10,834
- Region: Oceania
- Capital: Yaren
New Caledonia
- Population: 271,960
- Region: Oceania
- Capital: Nouméa
New Zealand
- Population: 5,084,300
- Region: Oceania
- Capital: Wellington
Niue
- Population: 1,470
- Region: Oceania
- Capital: Alofi
Norfolk Island
- Population: 2,302
- Region: Oceania
- Capital: Kingston
Northern Mariana Islands
- Population: 57,557
- Region: Oceania
- Capital: Saipan
Palau
- Population: 18,092
- Region: Oceania
- Capital: Ngerulmud
Papua New Guinea
- Population: 8,947,027
- Region: Oceania
- Capital: Port Moresby
Pitcairn Islands
- Population: 56
- Region: Oceania
- Capital: Adamstown
Samoa
- Population: 198,410
- Region: Oceania
- Capital: Apia
Solomon Islands
- Population: 686,878
- Region: Oceania
- Capital: Honiara
Tokelau
- Population: 1,411
- Region: Oceania
- Capital: Fakaofo
Tonga
- Population: 105,697
- Region: Oceania
- Capital: Nuku'alofa
Tuvalu
- Population: 11,792
- Region: Oceania
- Capital: Funafuti
Vanuatu
- Population: 307,150
- Region: Oceania
- Capital: Port Vila
Wallis and Futuna
- Population: 11,750
- Region: Oceania
- Capital: Mata-Utu
