Here is the ranking of the countries and territories of Oceania, by size of population and in descending order, with the rank indicated. The figures are the most recent that we found on the official statistical sites of the countries.
There are currently 25 countries and territories in Oceania, of which 14 are represented at the United Nations.
| Rank | Country | Population | Area | Density |
|---|---|---|---|---|
| 222 | American Samoa | 53,790 inhab. | 198 km² | 271.67 inhab./km² |
| 54 | Australia | 25,765,131 inhab. | 7,688,126 km² | 3.35 inhab./km² |
| 235 | Cook | 17,328 inhab. | 237 km² | 73.11 inhab./km² |
| 167 | Fiji | 890,196 inhab. | 18,274 km² | 48.71 inhab./km² |
| 190 | French Polynesia | 278,509 inhab. | 3,792 km² | 73.45 inhab./km² |
| 199 | Guam | 179,606 inhab. | 541 km² | 331.99 inhab./km² |
| 205 | Kiribati | 114,698 inhab. | 726 km² | 157.99 inhab./km² |
| 221 | Marshall Islands | 55,663 inhab. | 182 km² | 305.84 inhab./km² |
| 210 | Micronesia | 103,196 inhab. | 725 km² | 142.34 inhab./km² |
| 237 | Nauru | 12,696 inhab. | 21 km² | 596.06 inhab./km² |
| 191 | New Caledonia | 271,940 inhab. | 18,576 km² | 14.64 inhab./km² |
| 124 | New Zealand | 5,136,118 inhab. | 268,107 km² | 19.16 inhab./km² |
| 246 | Niue | 2,545 inhab. | 261 km² | 9.75 inhab./km² |
| 247 | Norfolk Island | 1,778 inhab. | 36 km² | 49.39 inhab./km² |
| 223 | Northern Mariana Islands | 51,807 inhab. | 464 km² | 111.65 inhab./km² |
| 234 | Palau | 17,820 inhab. | 416 km² | 42.84 inhab./km² |
| 88 | Papua New Guinea | 10,494,369 inhab. | 462,840 km² | 22.67 inhab./km² |
| 252 | Pitcairn Islands | 50 inhab. | 47 km² | 1.06 inhab./km² |
| 198 | Samoa | 199,243 inhab. | 2,830 km² | 70.40 inhab./km² |
| 171 | Solomon Islands | 667,044 inhab. | 28,896 km² | 23.08 inhab./km² |
| 248 | Tokelau | 1,556 inhab. | 10 km² | 155.60 inhab./km² |
| 211 | Tonga | 98,659 inhab. | 749 km² | 131.72 inhab./km² |
| 240 | Tuvalu | 9,605 inhab. | 26 km² | 374.76 inhab./km² |
| 189 | Vanuatu | 285,359 inhab. | 12,281 km² | 23.24 inhab./km² |
| 238 | Wallis and Futuna | 11,558 inhab. | 142 km² | 81.39 inhab./km² |