Island Countries of the World

There are 40 island countries — sovereign states with no land borders. From Antigua and Barbuda to the biggest island nations, here is the full list.

Facts last checked 31 August 2026.

#	Country	Population	Capital
1	Antigua and Barbuda	103,603 people	Saint John's
2	Australia	27,536,874 people	Canberra
3	Bahamas	398,165 people	Nassau
4	Bahrain	1,594,654 people	Manama
5	Barbados	267,800 people	Bridgetown
6	Cape Verde	491,233 people	Praia
7	Comoros	919,901 people	Moroni
8	Cuba	9,748,007 people	Havana
9	Cyprus	1,442,614 people	Nicosia
10	Dominica	67,408 people	Roseau
11	Fiji	900,869 people	Suva
12	Grenada	109,021 people	St. George's
13	Iceland	391,810 people	Reykjavik
14	Jamaica	2,825,544 people	Kingston
15	Japan	123,210,000 people	Tokyo
16	Kiribati	120,740 people	South Tarawa
17	Madagascar	31,727,042 people	Antananarivo
18	Maldives	515,132 people	Malé
19	Malta	574,250 people	Valletta
20	Marshall Islands	42,418 people	Majuro
21	Mauritius	1,243,741 people	Port Louis
22	Micronesia	105,564 people	Palikir
23	Nauru	11,680 people	Yaren
24	New Zealand	5,324,700 people	Wellington
25	Palau	16,733 people	Ngerulmud
26	Philippines	114,123,600 people	Manila
27	Saint Kitts and Nevis	51,320 people	Basseterre
28	Saint Lucia	184,100 people	Castries
29	Saint Vincent and the Grenadines	110,872 people	Kingstown
30	Samoa	205,557 people	Apia
31	Seychelles	122,729 people	Victoria
32	Singapore	6,110,200 people	Singapore
33	Solomon Islands	750,325 people	Honiara
34	Sri Lanka	21,763,170 people	Sri Jayawardenepura Kotte
35	São Tomé and Príncipe	209,607 people	São Tomé
36	Taiwan	23,317,031 people	Taipei
37	Tonga	100,179 people	Nuku'alofa
38	Trinidad and Tobago	1,367,764 people	Port of Spain
39	Tuvalu	10,643 people	Funafuti
40	Vanuatu	321,409 people	Port Vila

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Last updated: 31 August 2026