Countries That Recognize Dual Citizenship

This list is based on the best current information available. Some countries do not allow dual citizenship at all. OIf you are concerned about losing your present citizenship when you naturalize as a U.S. citizen, speak to a representative of your government before filing for naturalization.

Dual Citizenship Generally Allowed After U.S. Naturalization
Albania
Algeria
American Samoa
Angola
Antigua & Barbuda
Argentina
Armenia
Australia
Barbados
Belgium
Belize
Benin
Bolivia
Bosnia & Herzegovina
Brazil
Bulgaria
Burkina Faso
Burundi
Cambodia
Canada
Cape Verde
Central African Republic
Chile
Colombia
Comoros
Republic of Congo
Costa Rica
Ivory Coast
Croatia
Cyprus
Czech Republic
Denmark
Djibouti
Dominica
Dominican Republic
East Timor
Ecuador
Egypt
El Salvador
Equatorial Guinea
Fiji
Finland
France
The Gambia
Germany
Ghana
Greece
Grenada
Guatemala
Guinea-Bissau
Haiti
Honduras
Hungary
Iceland
Iraq
Ireland
Israel
Italy
Jamaica
Jordan
Kenya
South Korea
Kosovo
Kyrgyzstan
Latvia
Lebanon
Lithuania
Luxembourg
Macau
Macedonia
Mali
Malta
Mauritius
Mexico
Moldova
Morocco
Namibia
Nauru
New Zealand
Nicaragua
Niger
Nigeria
Pakistan
Panama
Papua New Guinea
Paraguay
Peru
Poland
Portugal
Romania
Russian Federation
Saint Kitts & Nevis
Saint Lucia
Saint Vincent and the Grenadines
Samoa
Scotland
Serbia
Seychelles
Sierra Leone
Slovenia
Somalia
South Africa
South Sudan
Spain
Sri Lanka
Sudan
Sweden
Switzerland
Syria
Taiwan
Tajikistan
Thailand
Tibet
Tonga
Trinidad & Tobago
Tunisia
Turkey
Uganda
United Kingdom
Uruguay
Vatican City
Venezuela
Vietnam
British Virgin Islands
Yemen
Zambia
Zimbabwe

Dual Citizenship Generally Not Allowed After U.S. Naturalization
Afghanistan
Andorra
Austria
Azerbaijan
Bahamas
Bahrain
Bangladesh
Belarus
Bhutan
Botswana
Brunei Darussalam
Cameroon
China
Democratic Republic of the Congo
Cuba
Eritrea
Estonia
Ethiopia
Georgia
Guyana
Hong Kong
India
Indonesia
Iran
Japan
Kazakhstan
Kiribati
North Korea
Kuwait
Laos
Lesotho
Liberia
Lybia
Liechtenstein
Madagascar
Malawi
Malaysia
Maldives
Marshall Islands
Mauritania
Micronesia
Monaco
Mongolia
Montenegro
Mozambique
Myanmar (Burma)
Nepal
Netherlands
Norway
Oman
Palau
Philippines
Qatar
Rwanda
San Marino
Sao Tome and Principe
Saudi Arabia
Singapore
Slovakia
Solomon Islands
Suriname
Swaziland
Tanzania
Togo
Turkmenistan
Ukraine
United Arab Emirates
Uzbekistan
Vanuatu

Many countries listed above have exceptions and special cases. You would need to research each country for your specific case.