Countries without neighbours, and those with only one

38 of the 195 countries share no land border with any other country, and 18 share one with exactly one country. Here are both lists, worked out from Natural Earth's boundary lines.¹

Updated November 2, 2026 · 3 sources

No land border at all

These 38 countries are bounded only by the sea. The largest of them by area is Australia, the smallest Nauru.²

• Antigua and Barbuda
• Australia
• Bahamas
• Bahrain
• Barbados
• Cabo Verde
• Comoros
• Cuba
• Cyprus
• Dominica
• Federated States of Micronesia
• Fiji
• Grenada
• Iceland
• Jamaica
• Japan
• Kiribati
• Madagascar
• Maldives
• Malta
• Marshall Islands
• Mauritius
• Nauru
• New Zealand
• Palau
• Philippines
• Saint Kitts and Nevis
• Saint Lucia
• Saint Vincent and the Grenadines
• Samoa
• São Tomé and Príncipe
• Seychelles
• Solomon Islands
• Sri Lanka
• Tonga
• Trinidad and Tobago
• Tuvalu
• Vanuatu

Living on an island does not always mean having no neighbour. Some islands are shared by two countries: Ireland and the United Kingdom, Haiti and the Dominican Republic, Papua New Guinea and Indonesia, and Timor-Leste and Indonesia.¹

Exactly one neighbour

18 countries have a land border with just one other country.¹

Country	Only neighbour	Continent
Brunei	Malaysia	Asia
Canada	United States of America	North America
Denmark	Germany	Europe
Dominican Republic	Haiti	North America
Gambia	Senegal	Africa
Haiti	Dominican Republic	North America
Ireland	United Kingdom	Europe
Lesotho	South Africa	Africa
Monaco	France	Europe
Papua New Guinea	Indonesia	Oceania
Portugal	Spain	Europe
Qatar	Saudi Arabia	Asia
San Marino	Italy	Europe
Singapore	Malaysia	Asia
South Korea	North Korea	Asia
Timor-Leste	Indonesia	Asia
United Kingdom	Ireland	Europe
Vatican City	Italy	Europe

Two pairs are each other's only neighbour: Haiti and the Dominican Republic, and Ireland and the United Kingdom. Lesotho lies entirely inside South Africa.³ San Marino and Vatican City both border only Italy, and Monaco borders only France.¹

The most neighbours

At the other end, China and Russia each border 14 countries.¹ Every country, ranked by its number of neighbours, is in the full list.