How many island countries are there?

Around 38 UN member states have no land border at all. Most are true island nations; Australia is included because it shares no land boundary with another country.

Which is the largest island country?

By area, Australia is largest (though often classed as a continent), then Indonesia, Madagascar, Papua New Guinea, and Japan. By population, Indonesia and Japan lead.

Island countries

The 38 UN member states with no land border — island nations plus Australia — listed A–Z. Their isolation makes their flags and capitals a favourite trivia trap; drill them with Guess the Capital.

#	Country	Population
1	Antigua and Barbuda	96,286
2	Australia	24,982,688
3	Bahamas	385,640
4	Bahrain	1,569,439
5	Barbados	286,641
6	Cape Verde	555,987
7	Comoros	832,322
8	Cuba	11,338,138
9	Cyprus	1,189,265
10	Dominica	71,625
11	Fiji	883,483
12	Grenada	111,454
13	Iceland	352,721
14	Jamaica	2,934,855
15	Japan	126,529,100
16	Kiribati	115,847
17	Madagascar	26,262,368
18	Maldives	515,696
19	Malta	484,630
20	Marshall Islands	58,413
21	Mauritius	1,265,303
22	Micronesia	112,640
23	Nauru	12,704
24	New Zealand	4,841,000
25	Palau	17,907
26	Philippines	106,651,922
27	Saint Kitts and Nevis	52,441
28	Saint Lucia	181,889
29	Saint Vincent and the Grenadines	110,210
30	Samoa	196,130
31	São Tomé and Príncipe	211,028
32	Seychelles	96,762
33	Singapore	5,638,676
34	Solomon Islands	652,858
35	Tonga	103,197
36	Trinidad and Tobago	1,389,858
37	Tuvalu	11,508
38	Vanuatu	292,680

FAQ

How many island countries are there?: Around 38 UN member states have no land border at all. Most are true island nations; Australia is included because it shares no land boundary with another country.
Which is the largest island country?: By area, Australia is largest (though often classed as a continent), then Indonesia, Madagascar, Papua New Guinea, and Japan. By population, Indonesia and Japan lead.