Oceania: Countries and Territories by Population

Figures as of October 8, 2026

Rank	Country / Region	Capital	Population	Area
1	Australia	Canberra	≈27.9 million	≈7.69 million km²
2	Papua New Guinea	Port Moresby	≈11.8 million	462,840 km²
3	New Zealand	Wellington	≈5.0 million	270,467 km²
4	Fiji	Suva	902,623	18,272 km²
5	Solomon Islands	Honiara	828,857	28,896 km²
6	Vanuatu	Port Vila	321,409	12,189 km²
7	French Polynesia	Papeetē	278,786	4,167 km²
8	New Caledonia	Nouméa	264,596	18,575 km²
9	Samoa	Apia	205,557	2,842 km²
10	Guam	Hagåtña	153,836	549 km²
11	Kiribati	South Tarawa	120,740	811 km²
12	Tonga	Nuku'alofa	100,179	747 km²
13	Micronesia	Palikir	75,817	702 km²
14	Northern Mariana Islands	Saipan	46,078	464 km²
15	American Samoa	Pago Pago	43,268	199 km²
16	Marshall Islands	Majuro	37,548	181 km²
17	Palau	Ngerulmud	16,733	459 km²
18	Cook Islands	Avarua	15,040	236 km²
19	Nauru	Yaren	11,680	21 km²
20	Wallis and Futuna	Mata-Utu	11,151	142 km²
21	Tuvalu	Funafuti	10,643	26 km²
22	Norfolk Island	Kingston	2,188	36 km²
23	Christmas Island	Flying Fish Cove	1,692	135 km²
24	Niue	Alofi	1,681	260 km²
25	Tokelau	Fakaofo	1,411	12 km²
26	Cocos (Keeling) Islands	West Island	593	14 km²
27	Pitcairn Islands	Adamstown	35	47 km²

This list was last updated on October 8, 2026. Includes overseas territories and other regions as well as independent countries. Population and area are rounded in the table; the country pages show the exact figures.