Population in Oceania · 2025
What country in Oceania has the most people?
Australia has the most people in Oceania, with a population of 27.6 million.
| # | Country | Share of #1 | Population |
|---|---|---|---|
| 1 |  Australia | 27,614,411 | |
| 2 |  Papua New Guinea | 10,762,817 | |
| 3 |  New Zealand | 5,324,700 | |
| 4 |  Timor-Leste | 1,418,517 | |
| 5 |  Fiji | 933,154 | |
| 6 |  Solomon Islands | 838,645 | |
| 7 |  Vanuatu | 335,169 | |
| 8 |  Samoa | 219,306 | |
| 9 |  Kiribati | 136,488 | |
| 10 |  Micronesia | 113,683 | |
| 11 |  Tonga | 103,742 | |
| 12 |  Marshall Islands | 36,282 | |
| 13 |  Palau | 17,663 | |
| 14 |  Nauru | 12,025 | |
| 15 |  Tuvalu | 9,492 |
No country matches.
Key facts
Runners-up
Papua New Guinea is 2nd and New Zealand 3rd in Oceania.
Lead
Australia has 2.6× the figure of Papua New Guinea.
Share of the total
Australia alone accounts for 57.7% of all 15 ranked countries in Oceania.
Questions
What country in Oceania has the most people?
Australia has the most people in Oceania, with a population of 27.6 million.
What country in Oceania has the second most people?
Papua New Guinea ranks second in Oceania, with 10.8 million people.
How many countries are in this ranking?
15 countries in Oceania with data from World Bank (2025). Territories are not ranked.