On this page, you’ll find list of territories and sovereign countries in Oceania from A to Z, each showing population estimates, area, capital, and language. Click on a country card to view a dashboard containing demographic, economic, and geographic data about the selected country. You can additionally filter the list by toggling countries and territories.
American Samoa
Capital: Pago Pago
Language: English, Samoan
Population: 43,895
Area: 199 km²
Australia
Capital: Canberra
Language: English
Population: 26,768,598
Area: 7,692,024 km²
Christmas Island
Capital: Flying Fish Cove
Language: English
Population: 1,692
Area: 135 km²
Cocos (Keeling) Islands
Capital: West Island
Language: English
Population: 593
Area: 14 km²
Cook Islands
Capital: Avarua
Language: English, Cook Islands Māori
Population: 7,761
Area: 236 km²
Fiji
Capital: Suva
Language: English, Fijian, Fiji Hindi
Population: 951,611
Area: 18,272 km²
French Polynesia
Capital: Papeetē
Language: French
Population: 303,540
Area: 4,167 km²
Guam
Capital: Hagåtña
Language: Chamorro, English, Spanish
Population: 169,532
Area: 549 km²
Indonesia
Capital: Jakarta
Language: Indonesian
Population: 281,562,465
Area: 1,904,569 km²
Kiribati
Capital: South Tarawa
Language: English, Gilbertese
Population: 116,545
Area: 811 km²
Marshall Islands
Capital: Majuro
Language: English, Marshallese
Population: 82,011
Area: 181 km²
Micronesia
Capital: Palikir
Language: English
Population: 99,603
Area: 702 km²
Nauru
Capital: Yaren
Language: English, Nauru
Population: 9,892
Area: 21 km²
New Caledonia
Capital: Nouméa
Language: French
Population: 304,167
Area: 18,575 km²
New Zealand
Capital: Wellington
Language: English, Māori, New Zealand Sign Language
Population: 5,161,211
Area: 270,467 km²
Niue
Capital: Alofi
Language: English, Niuean
Population: 1,815
Area: 260 km²
Norfolk Island
Capital: Kingston
Language: English, Norfuk
Population: 1,739
Area: 36 km²
Northern Mariana Islands
Capital: Saipan
Language: Carolinian, Chamorro, English
Population: 51,118
Area: 464 km²
Palau
Capital: Ngerulmud
Language: English, Palauan
Population: 21,864
Area: 459 km²
Papua New Guinea
Capital: Port Moresby
Language: English, Hiri Motu, Tok Pisin
Population: 10,046,233
Area: 462,840 km²
Pitcairn Islands
Capital: Adamstown
Language: English
Population: 50
Area: 47 km²
Samoa
Capital: Apia
Language: English, Samoan
Population: 208,853
Area: 2,842 km²
Solomon Islands
Capital: Honiara
Language: English
Population: 726,799
Area: 28,896 km²
Tokelau
Capital: Fakaofo
Language: English, Samoan, Tokelauan
Population: 2,453
Area: 12 km²
Tonga
Capital: Nuku'alofa
Language: English, Tongan
Population: 104,889
Area: 747 km²
Tuvalu
Capital: Funafuti
Language: English, Tuvaluan
Population: 11,733
Area: 26 km²
Vanuatu
Capital: Port Vila
Language: Bislama, English, French
Population: 318,007
Area: 12,189 km²
Wallis and Futuna
Capital: Mata-Utu
Language: French
Population: 15,964
Area: 142 km²