How many countries are in Oceania?

Countries in Oceania

14 countries

There are 14 countries in Oceania. The list below gives the population, area, and capital of each one.

By Country Tally editors Updated Source: World Bank (population 2025)

All countries in Oceania

In alphabetical order, with capital, population, and area
Country Capital Population Area
Australia Canberra 27,614,411 7,741,220 km² (2,988,902 sq mi)
Fiji Suva 933,154 18,333 km² (7,078 sq mi)
Kiribati Tarawa 136,488 811 km² (313 sq mi)
Marshall Islands Majuro 36,282 181 km² (70 sq mi)
Micronesia Palikir 113,683 701 km² (271 sq mi)
Nauru Yaren District 12,025 21 km² (8 sq mi)
New Zealand Wellington 5,324,700 267,710 km² (103,363 sq mi)
Palau Ngerulmud 17,663 460 km² (178 sq mi)
Papua New Guinea Port Moresby 10,762,817 462,840 km² (178,704 sq mi)
Samoa Apia 219,306 2,840 km² (1,097 sq mi)
Solomon Islands Honiara 838,645 28,446 km² (10,983 sq mi)
Tonga Nukuʻalofa 103,742 749 km² (289 sq mi)
Tuvalu Funafuti 9,492 26 km² (10 sq mi)
Vanuatu Port Vila 335,169 12,189 km² (4,706 sq mi)

Oceania in numbers

14 Countries
46.5 million Total population
Australia Largest country, 7,741,220 km² (2,988,902 sq mi)
Australia Most people, 27.6 million
Nauru Smallest country, 21 km² (8 sq mi)
70.5 years Average life expectancy of its countries

Top 5 countries by population

  1. #1 Australia 27.6 million
  2. #2 Papua New Guinea 10.8 million
  3. #3 New Zealand 5.3 million
  4. #4 Fiji 933,154
  5. #5 Solomon Islands 838,645

Countries by income group

  • High income 4 countries
  • Upper middle income 6 countries
  • Lower middle income 4 countries

Other continents