The countries below have laws on dual citizenship (being a citizen of two countries at once). The countries marked with an asterisk (*) have restrictions. For more information about losing your present citizenship when you naturalize as a U.S. citizen, speak with a representative of your government before filing for naturalization. Even if your country allows Dual Citizenship you are required by U.S. law to use a U.S. passport to leave and re-enter the United States.

 

Countries that Generally Allow Dual Citizenship after U.S. Naturalization

Afghanistan
Albania
Angola
Antigua and Barbuda
Argentina
Armenia
Australia
Bangladesh
Barbados
Belgium
Belize
Benin
Bosnia and
Herzegovina
Brazil
Bulgaria
Burkina Faso
Burundi
Cambodia
Canada
Cape Verde
Central African Republic
Chad, Republic of
Chile
Colombia
Congo, Republic of
Costa Rica
Croatia
Cyprus
Czech Republic
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt*
El Salvador
Eritrea
Finland

Fiji
France
Gabon
Gambia
Ghana
Greece
Grenada
Guatemala
Guinea-Bissau
Guyana
Haiti
Hong Kong
Hungary
Iceland
Iran*
Iraq
Ireland
Israel
Italy
Jamaica
Jordan
Kenya
Latvia*
Lebanon
Libya
Liechtenstein
Macao
Macedonia
Maldives
Mali
Malta
Mauritius
Mexico
Morocco
Mozambique
Namibia
New Zealand
Nigeria

Panama*
Pakistan
Peru
Philippines
Poland
Portugal
Romania
Russia
Rwanda
Sao Tome & Principe
Senegal
Seychelles
Sierra Leone
Solomon Islands
St. Christopher
St. Kitts and Nevis
St. Lucia
St. Vincent
Slovenia
South Africa*
Spain
Sri Lanka
Swaziland
Sudan
Sweden
Switzerland
Syria
Taiwan
Trinidad & Tobago
Tunisia
Turkey
Tuvalu
Uganda
United Kingdom
Uruguay
Vietnam
Venezuela

Countries that Generally Do Not Allow Dual Citizenship After U.S. Naturalization

Algeria
Andorra
Austria
Azerbaijan
Bahamas
Bahrain
Bhutan
Botswana
Bolivia
Brunei
Cameroon
China
Congo, Democratic
Republic of
Cuba
Denmark
Equatorial Guinea
Estonia
Ethiopia
Georgia
Germany*
Guinea
Honduras
India
Indonesia
Ivory Coast*

Japan
Kazakhstan
Kiribati
Kuwait
Kyrgyz Republic
Laos
Lesotho
Liberia
Lithuania
Madagascar
Malawi
Malaysia
Marshall Islands
Mauritania
Micronesia
Moldova
Monaco
Mongolia
Myanmar (Burma)
Nauru
Nepal
Netherlands
New Guinea
Niger
North Korea (DPRK)
Norway

Norway
Oman
Palau
Papua New Guinea
Paraguay
Principe Island
Qatar
Samoa
Saudi Arabia
Singapore
Slovakia
Somalia
South Korea
Surinam
Tanzania
Thailand
Togo
Tonga
Tunisia
Ukraine*
United Arab Emirates
Uzbekistan
Vanuatu
Yemen
Zambia
Zimbabwe