Countries quiz
Oceania: countries by population
This list ranks 14 countries by population. The most populous is Australia (≈ 27.6 million) and the least populous is Tuvalu (≈ 9,000), a difference of about 2,909 times. Right in the middle sits Kiribati (≈ 136,000).
Quick quiz
Sort these Oceania countries by population, most populous at the top. Use the arrows, then press Check.
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Full list
Figures are World Bank estimates for 2025.
| # | Name | Population |
|---|---|---|
| 1 | Australia | ≈ 27.6 million |
| 2 | Papua New Guinea | ≈ 10.8 million |
| 3 | New Zealand | ≈ 5.3 million |
| 4 | Fiji | ≈ 933,000 |
| 5 | Solomon Islands | ≈ 839,000 |
| 6 | Vanuatu | ≈ 335,000 |
| 7 | Samoa | ≈ 219,000 |
| 8 | Kiribati | ≈ 136,000 |
| 9 | Micronesia | ≈ 114,000 |
| 10 | Tonga | ≈ 104,000 |
| 11 | Marshall Islands | ≈ 36,000 |
| 12 | Palau | ≈ 18,000 |
| 13 | Nauru | ≈ 12,000 |
| 14 | Tuvalu | ≈ 9,000 |
Questions
What is the most populous on this list?
Australia, with ≈ 27.6 million.
What is the least populous on this list?
Tuvalu, with ≈ 9,000.
Where do these numbers come from?
Figures are World Bank estimates for 2025.
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