| # | Country | Population 2026 | Land Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Australia | 27,227,096 | 7,682,300 | 4 |
| 2 | Papua New Guinea | 10,947,848 | 452,860 | 24 |
| 3 | New Zealand | 5,287,479 | 263,310 | 20 |
| 4 | Fiji | 937,282 | 18,270 | 51 |
| 5 | Solomon Islands | 858,288 | 27,990 | 31 |
| 6 | Vanuatu | 342,564 | 12,190 | 28 |
| 7 | New Caledonia | 297,892 | 18,280 | 16 |
| 8 | French Polynesia | 283,076 | 3,660 | 77 |
| 9 | Samoa | 220,528 | 2,830 | 78 |
| 10 | Guam | 170,185 | 540 | 315 |
| 11 | Kiribati | 138,445 | 810 | 171 |
| 12 | Micronesia | 114,183 | 700 | 163 |
| 13 | Tonga | 103,291 | 720 | 143 |
| 14 | American Samoa | 45,319 | 200 | 227 |
| 15 | Northern Mariana Islands | 42,914 | 460 | 93 |
| 16 | Marshall Islands | 35,075 | 180 | 195 |
| 17 | Palau | 17,614 | 460 | 38 |
| 18 | Cook Islands | 12,826 | 240 | 53 |
| 19 | Nauru | 12,101 | 20 | 605 |
| 20 | Wallis & Futuna | 11,113 | 140 | 79 |
| 21 | Tuvalu | 9,362 | 30 | 312 |
| 22 | Tokelau | 2,691 | 10 | 269 |
| 23 | Niue | 1,822 | 260 | 7 |