| # | Country | Population (2023) | Land Area (Km²) | Density (P/Km²) |
|---|---|---|---|---|
| 1 | Australia | 26,439,111 | 7,682,300 | 3 |
| 2 | Papua New Guinea | 10,329,931 | 452,860 | 22 |
| 3 | New Zealand | 5,228,100 | 263,310 | 19 |
| 4 | Fiji | 936,375 | 18,270 | 50 |
| 5 | Solomon Islands | 740,424 | 27,990 | 25 |
| 6 | Micronesia | 544,321 | 700 | 759 |
| 7 | Vanuatu | 334,506 | 12,190 | 26 |
| 8 | French Polynesia | 308,872 | 3,660 | 82 |
| 9 | New Caledonia | 292,991 | 18,280 | 16 |
| 10 | Samoa | 225,681 | 2,830 | 76 |
| 11 | Guam | 172,952 | 540 | 313 |
| 12 | Kiribati | 133,515 | 810 | 156 |
| 13 | Tonga | 107,773 | 720 | 146 |
| 14 | Northern Mariana Islands | 49,796 | 460 | 108 |
| 15 | American Samoa | 43,914 | 200 | 231 |
| 16 | Marshall Islands | 41,996 | 180 | 241 |
| 17 | Palau | 18,058 | 460 | 39 |
| 18 | Cook Islands | 17,044 | 240 | 71 |
| 19 | Nauru | 12,780 | 20 | 616 |
| 20 | Wallis and Futuna Islands | 11,502 | 140 | 83 |
| 21 | Tuvalu | 11,396 | 30 | 369 |
| 22 | Niue | 1,935 | 260 | 7 |
| 23 | Tokelau | 1,893 | 10 | 183 |