FIELD LISTING :: CITIZENSHIP
This entry gives the lengths and types of pipelines for transporting products like natural gas, crude oil, or petroleum products.
| Country | PIPELINES |
|---|---|
| Afghanistan |
citizenship by birth: no citizenship by descent only: at least one parent must have been born in - and continuously lived in - Afghanistan dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Albania |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Albania dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Algeria |
citizenship by birth: no citizenship by descent only: the mother must be a citizen of Algeria dual citizenship recognized: no residency requirement for naturalization: 7 years |
| American Samoa |
see United States |
| Andorra |
citizenship by birth: no citizenship by descent only: the mother must be an Andorran citizen or the father must have been born in Andorra and both parents maintain permanent residence in Andorra dual citizenship recognized: no residency requirement for naturalization: 25 years |
| Angola |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Angola dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Anguilla |
see United Kingdom |
| Antigua and Barbuda |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 7 years |
| Argentina |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 2 years |
| Armenia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Armenia dual citizenship recognized: yes residency requirement for naturalization: 3 years |
| Aruba |
see the Netherlands |
| Ashmore and Cartier Islands |
see Australia |
| Australia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen or permanent resident of Australia dual citizenship recognized: yes residency requirement for naturalization: 4 years |
| Austria |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Austria dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Azerbaijan |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Bahamas, The |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of The Bahamas dual citizenship recognized: no residency requirement for naturalization: 6-9 years |
| Bahrain |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Bahrain dual citizenship recognized: no residency requirement for naturalization: 25 years; 15 years for Arab nationals |
| Bangladesh |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Bangladesh dual citizenship recognized: yes, but limited to select countries residency requirement for naturalization: 5 years |
| Barbados |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Belarus |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Belarus dual citizenship recognized: no residency requirement for naturalization: 7 years |
| Belgium |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Belguim dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Belize |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Benin |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Benin dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Bermuda |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the UK dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Bhutan |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Bhutan dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Bolivia |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 3 years |
| Bosnia and Herzegovina |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Bosnia and Herzegovina dual citizenship recognized: yes, provided there is a bilateral agreement with the other state residency requirement for naturalization: 8 years |
| Botswana |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Botswana dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Brazil |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 4 years |
| British Virgin Islands |
see United Kingdom |
| Brunei |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Brunei dual citizenship recognized: no residency requirement for naturalization: 12 years |
| Bulgaria |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Bulgaria dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Burkina Faso |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Burkina Faso dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Burma |
citizenship by birth: no citizenship by descent only: both parents must be citizens of Burma dual citizenship recognized: no residency requirement for naturalization: none note: an applicant for naturalization must be the child or spouse of a citizen |
| Burundi |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Burundi dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Cabo Verde |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Cabo Verde dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Cambodia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Cambodia dual citizenship recognized: yes residency requirement for naturalization: 7 years |
| Cameroon |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Cameroon dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Canada |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 3 years |
| Cayman Islands |
see United Kingdom |
| Central African Republic |
citizenship by birth: no citizenship by descent only: least one parent must be a citizen of the Central African Republic dual citizenship recognized: yes residency requirement for naturalization: 35 years |
| Chad |
citizenship by birth: no citizenship by descent only: both parents must be citizens of Chad dual citizenship recognized: Chadian law does not address dual citizenship residency requirement for naturalization: 15 years |
| Chile |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| China |
citizenship by birth: no citizenship by descent only: least one parent must be a citizen of China dual citizenship recognized: no residency requirement for naturalization: while naturalization is theoretically possible, in practical terms it is extremely difficult; residency is required but not specified |
| Christmas Island |
see Australia |
| Cocos (Keeling) Islands |
see Australia |
| Colombia |
citizenship by birth: no citizenship by descent only: least one parent must be a citizen or permanent resident of Colombia dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Comoros |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Comoros dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Congo, Democratic Republic of the |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Democratic Republic of the Congo dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Congo, Republic of the |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Republic of the Congo dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Coral Sea Islands |
see Australia |
| Costa Rica |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 7 years |
| Cote d'Ivoire |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Cote d'Ivoire dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Croatia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Croatia dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Cuba |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: unknown |
| Curacao |
see the Netherlands |
| Cyprus |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Cyprus dual citizenship recognized: yes residency requirement for naturalization: 7 years |
| Czech Republic |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Czech Republic dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Denmark |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Denmark dual citizenship recognized: no residency requirement for naturalization: 7 years |
| Djibouti |
citizenship by birth: no citizenship by descent only: the mother must be a citizen of Djibouti dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Dominica |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Dominican Republic |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Dominican Republic dual citizenship recognized: yes residency requirement for naturalization: 2 years |
| Ecuador |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 3 years |
| Egypt |
citizenship by birth: no citizenship by descent only: if the father was born in Egypt dual citizenship recognized: only with prior permission from the government residency requirement for naturalization: 10 years |
| El Salvador |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Equatorial Guinea |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Equatorial Guinea dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Eritrea |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Eritrea dual citizenship recognized: no residency requirement for naturalization: 20 years |
| Estonia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Estonia dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Ethiopia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Ethiopia dual citizenship recognized: no residency requirement for naturalization: 4 years |
| Falkland Islands (Islas Malvinas) |
see United Kingdom |
| Faroe Islands |
see Denmark |
| Fiji |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Fiji dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Finland |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Finland dual citizenship recognized: yes residency requirement for naturalization: 6 years |
| France |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of France dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| French Polynesia |
see France |
| French Southern and Antarctic Lands |
see France |
| Gabon |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Gabon dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Gambia, The |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Georgia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Georgia dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Germany |
citizenship by birth: no citizenship by descent only: at least one parent must be a German citizen or a resident alien who has lived in Germany at least 8 years dual citizenship recognized: yes, but requires prior permission from government residency requirement for naturalization: 8 years |
| Ghana |
citizenship by birth: no citizenship by descent only: at least one parent or grandparent must be a citizen of Ghana dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Gibraltar |
see United Kingdom |
| Greece |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Greece dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Greenland |
see Denmark |
| Grenada |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 7 years for persons from a non-Caribbean state and 4 years for a person from a Caribbean state |
| Guam |
see United States |
| Guatemala |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 years with no absences of six consecutive months or longer or absences totaling more than a year |
| Guernsey |
see United Kingdom |
| Guinea-Bissau |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Guinea |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Guinea dual citizenship recognized: no residency requirement for naturalization: na |
| Guyana |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: na |
| Haiti |
citizenship by birth: no citizenship by descent only: at least one parent must be a native-born citizen of Haiti dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Holy See (Vatican City) |
citizenship by birth: no citizenship by descent: no dual citizenship recognized: no residency requirement for naturalization: not applicable note: in the Holy See, citizenship is acquired by law, ex iure, or by adminstrative decision; in the first instance citizenship is a function of holding office within the Holy See as in the case of cardinals resident in Vatican City or diplomats of the Holy See; in the second instance, citizenship may be requested in a limited set of circumstances for those who reside within Vatican City under papal authorization, as a function of their office or service, or as the spouses and children of current citizens; citizenship is lost once an individual no longer permanently resides in Vatican City, normally reverting to the citizenship previously held |
| Honduras |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 1 to 3 years |
| Hong Kong |
see China |
| Hungary |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Hungary dual citizenship recognized: yes residency requirement for naturalization: 8 years |
| Iceland |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Iceland dual citizenship recognized: yes residency requirement for naturalization: 3 to 7 years |
| India |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of India dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Indonesia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Indonesia dual citizenship recognized: no residency requirement for naturalization: 5 continuous years |
| Iran |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Iran dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Iraq |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Iraq dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Ireland |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 4 of the previous 8 years |
| Isle of Man |
see United Kingdom |
| Israel |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Israel dual citizenship recognized: yes, but naturalized citizens are not allowed to maintain dual citizenship residency requirement for naturalization: 3 years |
| Italy |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Italy dual citizenship recognized: yes residency requirement for naturalization: 4 years for EU nationals, 5 years for refugees and specified exceptions, 10 years for all others |
| Jamaica |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 4 out of the previous 5 years |
| Japan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Japan dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Jersey |
see United Kingdom |
| Jordan |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Jordan dual citizenship recognized: yes residency requirement for naturalization: 15 years |
| Kazakhstan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Kazakhstan dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Kenya |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Kenya dual citizenship recognized: no residency requirement for naturalization: 4 out of the previous 7 years |
| Kiribati |
citizenship by birth: no citizenship by descent only: at least one parent must be a native-born citizen of Kiribati dual citizenship recognized: no residency requirement for naturalization: 7 years |
| Korea, North |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of North Korea dual citizenship recognized: no residency requirement for naturalization: unknown |
| Korea, South |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of South Korea dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Kosovo |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Kosovo dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Kuwait |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Kuwait dual citizenship recognized: no residency requirement for naturalization: not specified |
| Kyrgyzstan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Kyrgyzstan dual citizenship recognized: yes, but only if a mutual treaty on dual citizenship is in force residency requirement for naturalization: 5 years |
| Laos |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Laos dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Latvia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Latvia dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Lebanon |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Lebanon dual citizenship recognized: yes residency requirement for naturalization: unknown |
| Lesotho |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Liberia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Liberia dual citizenship recognized: no residency requirement for naturalization: 2 years |
| Libya |
citizenship by birth: no citizenship by descent only: at least one parent or grandparent must be a citizen of Libya dual citizenship recognized: no residency requirement for naturalization: varies from 3 to 5 years |
| Liechtenstein |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Liechtenstein; in the case of a child born out of wedlock, the mother must be a citizen dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Lithuania |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Lithuania dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Luxembourg |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Luxembourg dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Macau |
see China |
| Macedonia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Macedonia dual citizenship recognized: no residency requirement for naturalization: 8 years |
| Madagascar |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Madagascar; in the case of a child born out of wedlock, the mother must be a citizen dual citizenship recognized: no residency requirement for naturalization: unknown |
| Malawi |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Malawi dual citizenship recognized: no residency requirement for naturalization: 7 years |
| Malaysia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Malaysia dual citizenship recognized: no residency requirement for naturalization: 10 out 12 years preceding application |
| Maldives |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Maldives dual citizenship recognized: yes residency requirement for naturalization: unknown |
| Mali |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Mali dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Malta |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Malta dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Marshall Islands |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Marshall Islands dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Mauritania |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Mauritania dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Mauritius |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 5 out of the previous 7 years including the last 12 months |
| Mexico |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: not specified residency requirement for naturalization: 5 years |
| Micronesia, Federated States of |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of FSM dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Midway Islands |
see United States |
| Moldova |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Moldova dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Monaco |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Monaco; in the case of a child born out of wedlock, the mother must be a citizen and father unknown dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Mongolia |
citizenship by birth: no citizenship by descent only: both parents must be citizens of Mongolia; one parent if born within Mongolia dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Montenegro |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Montenegro dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Montserrat |
see United Kingdom |
| Morocco |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Morocco; if the father is unknown or stateless, the mother must be a citizen dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Mozambique |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Mozambique dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Namibia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Namibia dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Nepal |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 15 years |
| Netherlands |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Netherlands dual citizenship recognized: no residency requirement for naturalization: 5 years |
| New Caledonia |
see France |
| New Zealand |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of New Zealand dual citizenship recognized: yes residency requirement for naturalization: 3 years |
| Nicaragua |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no, except in cases where bilateral agreements exist residency requirement for naturalization: 4 years |
| Nigeria |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Nigeria dual citizenship recognized: yes residency requirement for naturalization: 15 years |
| Niger |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Niger dual citizenship recognized: yes residency requirement for naturalization: unknown |
| Norfolk Island |
see Australia |
| Northern Mariana Islands |
see United States |
| Norway |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Norway dual citizenship recognized: no residency requirement for naturalization: 7 years |
| Oman |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Oman dual citizenship recognized: no residency requirement for naturalization: unknown |
| Pakistan |
citizenship by birth: yes citizenship by descent: at least one parent must be a citizen of Pakistan dual citizenship recognized: yes, but limited to select countries residency requirement for naturalization: 4 out of the previous 7 years and including the 12 months preceding application |
| Palau |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Palau dual citizenship recognized: no residency requirement for naturalization: note - no procedure for naturalization |
| Panama |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Papua New Guinea |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Papua New Guinea dual citizenship recognized: no residency requirement for naturalization: 8 years |
| Paraguay |
citizenship by birth: yes citizenship by descent: at least one parent must be a native-born citizen of Paraguay dual citizenship recognized: yes residency requirement for naturalization: 3 years |
| Peru |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 2 years |
| Philippines |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Philippines dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Pitcairn Islands |
see United Kingdom |
| Poland |
citizenship by birth: no citizenship by descent only: both parents must be citizens of Poland dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Portugal |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Portugal dual citizenship recognized: yes residency requirement for naturalization: 10 years; 6 years if from a Portuguese speaking country |
| Puerto Rico |
see United States |
| Qatar |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Qatar dual citizenship recognized: no residency requirement for naturalization: 20 years; 15 years if an Arab national |
| Romania |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Romania dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Russia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Russia dual citizenship recognized: yes residency requirement for naturalization: 3-5 years |
| Rwanda |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Rwanda; if the father is stateless or unknown, the mother must be a citizen dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Saint Barthelemy |
see France |
| Saint Helena, Ascension, and Tristan da Cunha |
see United Kingdom |
| Saint Kitts and Nevis |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 14 years |
| Saint Lucia |
citizenship by birth: yes citizenship by descent: at least one parent must be a citizen of Saint Lucia dual citizenship recognized: yes residency requirement for naturalization: 8 years |
| Saint Martin |
see France |
| Saint Pierre and Miquelon |
see France |
| Saint Vincent and the Grenadines |
citizenship by birth: yes citizenship by descent: at least one parent must be a citizen of Saint Vincent and the Grenadines dual citizenship recognized: yes residency requirement for naturalization: 7 years |
| Samoa |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Samoa dual citizenship recognized: no residency requirement for naturalization: 5 years |
| San Marino |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of San Marino dual citizenship recognized: no residency requirement for naturalization: 30 years |
| Sao Tome and Principe |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Sao Tome and Principe dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Saudi Arabia |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Saudi Arabia; a child born out of wedlock in Saudi Arabia to a Saudi mother and unknown father dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Senegal |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Senegal dual citizenship recognized: no, but Senegalese citizens do not automatically lose their citizenship if they acquire citizenship in another state residency requirement for naturalization: 5 years |
| Serbia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Serbia dual citizenship recognized: yes residency requirement for naturalization: 3 years |
| Seychelles |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Seychelles dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Sierra Leone |
citizenship by birth: no citizenship by descent only: at least one parent or grandparent must be a citizen of Sierra Leone dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Singapore |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Singapore dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Sint Maarten |
see the Netherlands |
| Slovakia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Slovakia dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Slovenia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Slovenia; both parents if the child is born outside of Slovenia dual citizenship recognized: yes, for select cases residency requirement for naturalization: 10 years, the last 5 of which have been continuous |
| Solomon Islands |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the Solomon Islands dual citizenship recognized: no residency requirement for naturalization: 7 years |
| Somalia |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Somalia dual citizenship recognized: no residency requirement for naturalization: 7 years |
| South Africa |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of South Africa dual citizenship recognized: yes, but requires prior permission of the government residency requirement for naturalization: 1 year |
| South Sudan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of South Sudan dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Spain |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Spain dual citizenship recognized: only with select Latin American countries residency requirement for naturalization: 10 years for persons with no ties to Spain |
| Sri Lanka |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Sri Lanka dual citizenship recognized: no, except in cases where the government rules it is to the benefit of Sri Lanka residency requirement for naturalization: 7 years |
| Sudan |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Sudan dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Suriname |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Suriname dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Svalbard |
see Norway |
| Swaziland |
citizenship by birth: no citizenship by descent only: both parents must be citizens of Swaziland dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Sweden |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Sweden; in the case of a child born out of wedlock, the mother must be a citizen of Sweden and the father unknown dual citizenship recognized: no, unless the other citizenship was acquired involuntarily residency requirement for naturalization: 5 years |
| Switzerland |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Switzerland dual citizenship recognized: yes residency requirement for naturalization: 12 years including at least 3 of the last 5 years prior to application |
| Syria |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Syria; if the father is unknown or stateless, the mother must be a citizen of Syria dual citizenship recognized: yes residency requirement for naturalization: 10 years |
| Taiwan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Taiwan dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Tajikistan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Tajikistan dual citizenship recognized: no residency requirement for naturalization: 5 years or 3 years of continuous residence prior to application |
| Tanzania |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Tanzania; if a child is born abroad, the father must be a citizen of Tanzania dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Thailand |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Thailand dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Timor-Leste |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Timor-Leste dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Togo |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Togo dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Tokelau |
see New Zealand |
| Tonga |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Tonga; if a child is born out of wedlock, the mother must be a citizen of Tonga dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Trinidad and Tobago |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 8 years |
| Tunisia |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Tunisia dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| Turkey |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Turkey dual citizenship recognized: yes, but requires prior permission from the government residency requirement for naturalization: 5 years |
| Turkmenistan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Turkmenistan dual citizenship recognized: yes residency requirement for naturalization: 7 years |
| Turks and Caicos Islands |
see United Kingdom |
| Tuvalu |
citizenship by birth: yes citizenship by descent: yes; for a child born abroad, at least one parent must be a citizen of Tuvalu dual citizenship recognized: yes residency requirement for naturalization: na |
| Uganda |
citizenship by birth: no citizenship by descent only: at least one parent or grandparent must be a native-born citizen of Uganda dual citizenship recognized: yes residency requirement for naturalization: an aggregate of 20 years and continuously for the last 2 years prior to applying for citizenship |
| Ukraine |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Ukraine dual citizenship recognized: no residency requirement for naturalization: 5 years |
| United Arab Emirates |
citizenship by birth: no citizenship by descent only: the father must be a citizen of the United Arab Emirates; if the father is unknown, the mother must be a citizen dual citizenship recognized: no residency requirement for naturalization: 30 years |
| United Kingdom |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of the United Kingdom dual citizenship recognized: yes residency requirement for naturalization: 5 years |
| United States |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no, but the US government acknowledges such situtations exist; US citizens are not encouraged to seek dual citizenship since it limits protection by the US residency requirement for naturalization: 5 years |
| Uruguay |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: yes residency requirement for naturalization: 3-5 years |
| Uzbekistan |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Uzbekistan dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Vanuatu |
citizenship by birth: no citizenship by descent only: both parents must be citizens of Vanuatu; in the case of only one parent, it must be the father who is a citizen dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Venezuela |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Vietnam |
citizenship by birth: no citizenship by descent only: at least one parent must be a citizen of Vietnam dual citizenship recognized: no residency requirement for naturalization: 5 years |
| Virgin Islands |
see United States |
| Wake Island |
see United States |
| Wallis and Futuna |
see France |
| Yemen |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Yemen; if the father is unknown, the mother must be a citizen dual citizenship recognized: no residency requirement for naturalization: 10 years |
| Zambia |
citizenship by birth: yes citizenship by descent: yes dual citizenship recognized: no residency requirement for naturalization: not specified |
| Zimbabwe |
citizenship by birth: no citizenship by descent only: the father must be a citizen of Zimbabwe; in the case of a child born out of wedlock, the mother must be a citizen dual citizenship recognized: no residency requirement for naturalization: 5 years |