The CIA World Factbook Edition 2015 Government

Citizenship In 11 editions of 36.

Citizenship was published in 11 editions of the CIA World Factbook, from 2015 to 2025. The 2015 edition carries it in 89 entries, in its Government section. Every entry is shown as that edition published it.

entries in the 2015 edition
89
the first edition with it
2015
the latest edition with it
2025

Published as “Citizenship” (2015 to 2025).

the entry has the field in that editionnot in that editionthe open editionEach entry below ends in its editions with Citizenship, 1990 to 2025. Point at a year above to follow it down; choose one in a row to read that edition’s text there.

2015

Every edition with Citizenship

Entries with Citizenship in each edition

19902000201020202025

Select a bar to open that edition.

Africa

19 entries

Algeria

birthright citizenship:
no

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

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

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 now Democratic Republic of the Congo

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 now Republic of the Congo

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

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

Gabon

birthright citizenship:
no, unless at least one parent is a citizen of Gabon
dual citizenship recognized:
no
residency requirement for naturalization:
10 years

Guinea-Bissau

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

Saint Helena, Ascension, And Tristan Da Cunha now Saint Helena, Ascension, and Tristan da Cunha

see United Kingdom

Sao Tome And Principe now 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

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

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 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

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

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

Arctic Region

2 entries

Greenland

see Denmark

Svalbard

see Norway

Asia

2 entries

Azerbaijan

citizenship by birth:
yes
citizenship by descent:
yes
dual citizenship recognized:
no
residency requirement for naturalization:
5 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

Central America and the Caribbean

20 entries

Antigua And Barbuda now Antigua and Barbuda

citizenship by birth:
yes
citizenship by descent:
yes
dual citizenship recognized:
yes
residency requirement for naturalization:
7 years

Aruba

see the Netherlands

Bahamas, The now The Bahamas

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

Belize

citizenship by birth:
yes
citizenship by descent:
yes
dual citizenship recognized:
yes
residency requirement for naturalization:
5 years

British Virgin Islands

see United Kingdom

Cayman Islands

see United Kingdom

Cuba

citizenship by birth:
yes
citizenship by descent:
yes
dual citizenship recognized:
no
residency requirement for naturalization:
unknown

Curacao

see the Netherlands

Dominica

citizenship by birth:
yes
citizenship by descent:
yes
dual citizenship recognized:
yes
residency requirement for naturalization:
5 years

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

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

Montserrat

see United Kingdom

Puerto Rico

see United States

Saint Kitts And Nevis now 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 Vincent And The Grenadines now 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

Sint Maarten

see the Netherlands

Trinidad And Tobago now Trinidad and Tobago

birthright citizenship:
yes

Turks And Caicos Islands now Turks and Caicos Islands

see United Kingdom

Virgin Islands

see United States

Europe

11 entries

Albania

birthright citizenship:
no

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

Faroe Islands

see Denmark

Gibraltar

see United Kingdom

Guernsey

see United Kingdom

Ireland

dual citizenship recognized:
yes

Isle Of Man now Isle of Man

see United Kingdom

Jersey

see United Kingdom

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

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

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

Middle East

8 entries

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

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

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

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

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

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

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

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

North America

2 entries

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

Saint Pierre And Miquelon now Saint Pierre and Miquelon

see France

Oceania

18 entries

American Samoa

see United States

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

French Polynesia

see France

Guam

see United States

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

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

New Caledonia

see France

Norfolk Island

see Australia

Northern Mariana Islands

see United States

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

Pitcairn Islands

see United Kingdom

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

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

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

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

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

Wallis And Futuna now Wallis and Futuna

see France

South America

3 entries

Argentina

birthright citizenship:
yes

Falkland Islands (Islas Malvinas)

see United Kingdom

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

Southeast Asia

4 entries

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

Burma now Burma (Myanmar)

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

Christmas Island

see Australia

Cocos (Keeling) Islands

see Australia

Central Intelligence Agency. The World Factbook 2015, “Citizenship”, all entries. Archived by The Factbook, thefactbook.org/fields/citizenship/2015.

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