Australia/Oceania

# Country Population
(2025)
Land Area
(Km²)
Density
(P/Km²)
1 Australia 26,974,026 7,682,300 4
2 Papua New Guinea 10,762,817 452,860 24
3 New Zealand 5,251,899 263,310 20
4 Fiji 933,154 18,270 51
5 Solomon Islands 838,645 27,990 30
6 Vanuatu 335,169 12,190 27
7 New Caledonia 295,333 18,280 16
8 French Polynesia 282,465 3,660 77
9 Samoa 219,306 2,830 77
10 Guam 168,999 540 313
11 Kiribati 136,488 810 169
12 Micronesia 113,683 700 162
13 Tonga 103,742 720 144
14 American Samoa 46,029 200 230
15 Northern Mariana Islands 43,541 460 95
16 Marshall Islands 36,282 180 202
17 Palau 17,663 460 38
18 Cook Islands 13,263 240 55
19 Nauru 12,025 20 601
20 Wallis & Futuna 11,194 140 80
21 Tuvalu 9,492 30 316
22 Tokelau 2,608 10 261
23 Niue 1,821 260 7