Oceania — Countries of the World
Oceania encompasses 18 countries and territories across the Pacific Ocean, with a total population of about 45 million. Australia and New Zealand have demographics similar to European countries with low fertility and reliance on immigration. Pacific Island nations face unique challenges including small populations, geographic isolation, and increasing vulnerability to climate change and rising sea levels.
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Showing 18 countries — Oceania
| # | Country | Population | Density | Fertility Rate (TFR) | Life Expectancy | Median Age | Growth Rate |
|---|---|---|---|---|---|---|---|
| 1 |
American Samoa
Oceania |
46,765 | 237.6/km² | 2.29 | 72.9 | 32.7 | -1.60% |
| 2 |
Australia
Oceania |
27,196,812 | 3.5/km² | 1.50 | 83.1 | 40.0 | 1.99% |
| 3 |
Fiji
Oceania |
928,784 | 50.6/km² | 2.28 | 67.3 | 32.2 | 0.50% |
| 4 |
French Polynesia
Oceania |
281,807 | 81.0/km² | 1.50 | 84.1 | 37.2 | 0.24% |
| 5 |
Guam
Oceania |
167,777 | 308.3/km² | 2.78 | 77.2 | 34.6 | 0.76% |
| 6 |
Kiribati
Oceania |
134,518 | 163.6/km² | 3.15 | 66.5 | 27.5 | 1.49% |
| 7 |
Marshall Islands
Oceania |
37,548 | 215.7/km² | 2.92 | 66.9 | 27.7 | -3.35% |
| 8 |
Micronesia (Fed. States of)
Oceania |
113,160 | 160.9/km² | 2.75 | 67.2 | 29.6 | 0.47% |
| 9 |
Nauru
Oceania |
11,947 | 593.8/km² | 3.33 | 62.1 | 25.3 | 0.60% |
| 10 |
New Caledonia
Oceania |
292,639 | 15.9/km² | 1.98 | 78.8 | 36.3 | 0.95% |
| 11 |
New Zealand
Oceania |
5,287,500 | 19.7/km² | 1.56 | 83.0 | 39.6 | 1.67% |
| 12 |
Palau
Oceania |
17,695 | 38.5/km² | 1.91 | 69.3 | 37.5 | -0.18% |
| 13 |
Papua New Guinea
Oceania |
10,576,502 | 22.9/km² | 3.10 | 66.1 | 28.1 | 1.78% |
| 14 |
Samoa
Oceania |
218,019 | 77.9/km² | 3.83 | 71.7 | 25.4 | 0.62% |
| 15 |
Solomon Islands
Oceania |
819,198 | 28.6/km² | 3.56 | 70.5 | 26.0 | 2.37% |
| 16 |
Tonga
Oceania |
104,175 | 145.3/km² | 3.13 | 72.9 | 27.6 | -0.40% |
| 17 |
Tuvalu
Oceania |
9,646 | 327.2/km² | 3.21 | 67.1 | 29.1 | -1.75% |
| 18 |
Vanuatu
Oceania |
327,777 | 26.3/km² | 3.60 | 71.5 | 25.2 | 2.27% |