Nationality law

Nationality law is the law of a sovereign state, and of each of its jurisdictions, that defines the legal manner in which a national identity is acquired and how it may be lost. In international law, the legal means to acquire nationality and formal membership in a nation are separated from the relationship between a national and the nation, known as citizenship.[1]: 66–67 [2]: 338 [3]: 73  Some nations domestically use the terms interchangeably,[4]: 61, Part II [5]: 1–2  though by the 20th century, nationality had commonly come to mean the status of belonging to a particular nation with no regard to the type of governance which established a relationship between the nation and its people.[6]: 1707–1708  In law, nationality describes the relationship of a national to the state under international law and citizenship describes the relationship of a citizen within the state under domestic statutes. Different regulatory agencies monitor legal compliance for nationality and citizenship.[7]: 4  A person in a country of which he or she is not a national is generally regarded by that country as a foreigner or alien. When the sovereignty over a territory is transferred from one state to another, individuals may be given the right of option of nationality. A person who has no recognised nationality to any jurisdiction is regarded as stateless.

Principles

Nationality laws can use several bases for acquisition. Three commonly discussed bases are:

  1. jus soli, or right by birth on the soil;
  2. jus sanguinis, or right of the blood; and
  3. jus matrimonii, or right of marriage.

Laws may combine more than one route to nationality. Comparative data show that unconditional jus soli is concentrated in the Americas, while many other states provide only conditional forms of birthright citizenship.[8]

Jus soli

Jus soli is the principle whereby birth within a country's territory can confer that country's nationality. In English common law, birth within the King's dominions generally entailed allegiance to the Crown; that doctrine influenced nationality rules in British colonies and the later American understanding of birthright citizenship.[9]

Jus soli is often conditional rather than absolute. Cambodia, for example, grants Khmer nationality at birth to a child born in Cambodia to foreign parents when both parents were themselves born and legally resident in Cambodia.[10] Comparative citizenship-law data likewise distinguish unconditional from conditional territorial birthright regimes.[8]

Nationality rules may also contain ancestry or racial qualifications. Article 27(b) of the Constitution of Liberia states that only persons who are "Negroes or of Negro descent" qualify by birth or naturalization to be citizens of Liberia.[11]

Jus sanguinis

Jus sanguinis is the principle of acquiring nationality through descent, most commonly from a parent. Italy historically permitted transmission across multiple generations, but legislation enacted in 2025 restricted automatic citizenship for people born abroad who hold another citizenship. The current rules include exceptions where a parent or grandparent held exclusively Italian citizenship, or where a parent or adoptive parent resided legally in Italy for at least two continuous years after acquiring Italian citizenship and before the child's birth or adoption.[12]

Jus matrimonii

Some states allow nationality to be acquired on the basis of marriage. In Cape Verde, a foreigner married to a Cape Verdean national may acquire nationality by making the prescribed declaration during the marriage.[13]

At the beginning of the 20th century, many legal systems treated a married woman's nationality as dependent on her husband's, so marriage to a foreign man could automatically confer the husband's nationality and cause loss of the woman's prior nationality. International reform efforts during the interwar period increasingly challenged this system.[14]

Some modern nationality statutes expressly provide that marriage does not automatically change either spouse's nationality. Bulgaria's Citizenship Act, for example, states that concluding or dissolving a marriage between a Bulgarian citizen and a foreign citizen, or a change in one spouse's nationality during marriage, does not automatically change the other spouse's nationality.[15] Other states facilitate naturalization for spouses; under Spain's Civil Code, a person married to a Spanish citizen may qualify after one year of legal residence, subject to the statutory conditions.[16]

Jus officii

Uniquely, citizenship of the Vatican City is jus officii, namely on the grounds of appointment to work in a certain capacity in the service of the Holy See. It usually ceases upon cessation of the appointment. Citizenship may also be extended to the spouse and children of a citizen, provided they are authorized to reside and are living together in the city.[17] Anyone who loses Vatican citizenship and does not possess other citizenship automatically becomes an Italian citizen as provided in the Lateran Treaty.

Naturalization

Naturalization is a common route by which a non-national may acquire nationality, generally subject to residence and other statutory conditions. In GLOBALCIT's comparison of laws in force in 2020, five years was the most frequent nominal residence requirement, and most countries with a residence-based route required no more than ten years.[8]

Limits to nationality law

By international custom, each sovereign state generally has the right to freely determine who it will recognise as its nationals and citizens.[18] Such determinations may be made by custom, statutory law, case law (precedent), or a combination of either. In some cases, the determination may be governed by public international law—e.g., by treaties and the European Convention on Nationality.

Nevertheless, states' rights to determine who their nationals are is not absolute, and states must comply with their human rights obligations concerning the granting and loss of nationality. In particular, nationals must not be arbitrarily deprived of their nationality.[19] The right to a nationality and the prohibition against arbitrary deprivation of nationality are codified in article 15 of the "Universal Declaration of Human Rights".

Article 1 of the "Convention on Certain Questions Relating to the Conflict of Nationality Laws" states:[20]

It is for each State to determine under its own law who are its nationals. This law shall be recognised by other States in so far as it is consistent with international conventions, international custom, and the principles of law generally recognised with regard to nationality.

The "Inter-American Court of Human Rights" went further in limiting state's right to determine nationality:[21]

[T]he manners in which States regulate matters bearing on nationality cannot today be deemed within their sole jurisdiction; [the powers enjoyed by the States in that area] are also circumscribed by their obligations to ensure the full protection of human rights.

Some nationality and immigration laws provide facilitated acquisition or residence for emigrants, descendants, or persons of specified national or ethnic origin. A non-exhaustive list follows.

Armenia

Article 14 of the Constitution of Armenia (1995) provides that "individuals of Armenian origin shall acquire nationality of the Republic of Armenia through a simplified procedure."[22] This provision is consistent with the Declaration on Independence of Armenia, issued by the Supreme Soviet of Armenia in 1990, which declared, in article 4, that "Armenians living abroad are entitled to the citizenship of the Republic of Armenia."

Bulgaria

According to the Constitution of Bulgaria, Article 25(2): "A person of Bulgarian origin shall acquire Bulgarian nationality through a facilitated procedure."[23]

Chapter Two of the Bulgarian Citizenship Act governs acquisition of Bulgarian citizenship. Article 9 recognizes citizenship by origin where descent from a Bulgarian citizen is established in the manner provided by law, while Article 15 provides facilitated naturalization for a person of Bulgarian origin.[15]

China

Chinese law provides special protections and appropriate preferential treatment to returned Overseas Chinese, a term that refers to Chinese citizens who had settled abroad and returned to China for permanent residence. The "rights and interests of returned overseas Chinese" are afforded special protection according to Articles 50 and 89(12) of the Chinese Constitution.[24]

Hong Kong

In April 2015, the Hong Kong Government announced a pilot scheme named "Admission Scheme for the Second Generation of Chinese Hong Kong Permanent Residents" (ASSG).[25]

= Taiwan

Taiwan's immigration rules distinguish Republic of China nationals without household registration in the Taiwan Area from nationals who have household registration. The National Immigration Agency maintains specific procedures governing the stay of nationals without household registration.[26]

Since 1 January 2024, nationals without household registration who hold a valid biometric Republic of China passport and confirmed return or onward tickets may enter without first applying for an entry permit, subject to statutory exclusions; holders of valid non-biometric Republic of China passports must apply for a temporary entry permit on arrival.[27]

Czech Republic

The Czech Republic grants nationality at birth to a child if at least one parent is a Czech national; Czech law permits dual or multiple nationality.[28] Moreover, people of Czech origin might be granted the right to permanent residence (Czech origin is a reason worth of consideration).[29]

In 1995, the Czech Republic amended its Nationality Law to provide the Interior Ministry with the discretion to waive the usual five-year residency requirement for foreigners that had been resettled in the Czech Republic by 31 December 1994. This amendment was aimed particularly at several hundred ethnic Czechs which had been brought by the Czech government from the Ukrainian region of Volhynia, and was of a limited duration.[30] The amendment was consistent with what the Czech Ministry of Labor and Social Affairs has identified as "the Czech government's policy principles regarding the resettlement of foreigners of Czech origin living abroad."[31] A private fund, the People In Need Czech Television Foundation, worked with government authorities between 1995 and 2001 to effect this resettlement in the specific instance of Russian and Kazakh nationals of Czech origin, and had resettled approximately 750 such persons as of 2000.[32]

Finland

The Finnish Aliens Act provides residence-permit routes on remigration grounds for certain people with Finnish roots. The Finnish Immigration Service identifies eligible categories including former Finnish citizens and descendants who have at least one parent or grandparent who is or was a Finnish citizen by birth.[33]

A separate remigration scheme for Ingrian Finns ended on 1 July 2016.[34] Current rules retain specified routes for people who were evacuated from Ingria to Finland in 1943–1944 and later returned to the Soviet Union, or who served in the Finnish army in 1939–1945; applicants in these categories must also meet the listed conditions, including having accommodation in Finland.[33]

Greece

The Greek Nationality Code contains specific routes for persons of Greek ethnic origin. Article 4 provides for acquisition by persons of Greek ethnic origin admitted to Greek military schools or enlisting as volunteers under specified conditions, while Article 10 provides a naturalization procedure for persons of Greek ethnic origin domiciled abroad through Greek consular authorities.[35]

India

The former Person of Indian Origin (PIO) Card scheme applied to certain foreign nationals of Indian origin. The Government of India withdrew the PIO Card scheme with effect from 9 January 2015 and merged it into the Overseas Citizen of India framework.[36]

The Citizenship (Amendment) Act 2003 and later amendments established the Overseas Citizen of India (OCI) framework. An OCI cardholder is a foreign national, not an Indian citizen.[37] A person registered as an OCI cardholder for five years and ordinarily resident in India for the twelve months before applying may apply for Indian citizenship, subject to statutory conditions.[38]

Ireland

Irish nationality law permits some people born abroad to acquire citizenship through an Irish-born grandparent by registration in the Foreign Births Register.[39] A person born on the island of Ireland before 1 January 2005 is generally entitled to Irish citizenship; for births on or after that date, entitlement depends on the citizenship or residence history of a parent.[40]

Section 16 of the Irish Nationality and Citizenship Act 1956, as amended, gives the responsible minister discretion to waive specified naturalization conditions for an applicant of Irish descent or with Irish associations.[41]

Israel

The Law of Return, enacted by Israel in 1950 and amended in 1954 and 1970, gives Jews a statutory right to immigrate to Israel as olim and extends specified rights to a child and grandchild of a Jew and to their spouses. The extended family-member provisions do not apply to a person who has been a Jew and voluntarily changed religion.[42] The law also permits refusal in specified cases involving activity directed against the Jewish people, danger to public health or state security, or a criminal past likely to endanger public welfare.[43]

Japan

Under Japanese law, nationality is acquired at birth when the child's father or mother is a Japanese national, subject to the rules in the Nationality Act. Foreign nationals may acquire Japanese nationality through naturalization.[44] The Ministry of Justice notes that some naturalization conditions are relaxed under Articles 6–8 for applicants with specified special relationships to Japan, including certain people born in Japan, spouses of Japanese nationals, children of Japanese nationals, and former Japanese nationals.[44]

Norway

Norwegian citizenship rules contain special residence provisions for the Kola Norwegians, descendants of Norwegian citizens who emigrated to the Murmansk or Arkhangelsk areas of Russia from the 1850s until the border closed in the late 1920s. The Norwegian Directorate of Immigration states that qualifying applicants may be exempt from the permanent-residence-permit requirement and the ordinary residence-period requirement if their residence or work permit was granted because of that affiliation and they have completed two years of qualifying residence in Norway.[45]

Philippines

Republic Act No. 9225, approved 29 August 2003, provides that natural-born citizens of the Philippines who lost Philippine citizenship by reason of naturalization as citizens of a foreign country are deemed to have reacquired Philippine citizenship upon taking an oath of allegiance; natural-born Philippine citizens who acquire foreign citizenship after the Act's effectivity retain Philippine citizenship upon taking the same oath. The unmarried children, whether legitimate, illegitimate or adopted, below 18 years of age, of those who reacquire Philippine citizenship under the Act are deemed citizens of the Philippines.[46]

Russia

Russia provides simplified routes to citizenship for several categories of foreign citizens and stateless persons. Article 16 of the current citizenship law includes, among other categories, certain people with direct-line ancestors who were born or permanently resident in the Russian Soviet Federative Socialist Republic, or in territory of the Russian Empire or Soviet Union that lies within the present borders of the Russian Federation.[47]

Spain

Spanish nationality may be acquired through several routes in the Civil Code, including nationality de origen (by origin), por opción (by option), por carta de naturaleza (by discretionary grant), por residencia (by residence), and por posesión de estado (by possession of status).[16]

Nationality de origen includes, among other cases, a person born to a Spanish father or mother. Article 20 provides an option route for specified categories with close family ties to Spain and sets age-related rules for some forms of option.[16]

For naturalization by residence, Article 22 sets a general period of ten years, reduced to two years for nationals by origin of Ibero-American countries, Andorra, the Philippines, Equatorial Guinea or Portugal, and for Sephardim. A one-year period applies in several specified cases, including a person born outside Spain to a father or mother, grandfather or grandmother who was originally Spanish, and a person who has been married to a Spanish citizen for one year and is not legally or de facto separated.[16]

Article 26 provides that the legal-residence requirement for recovery of Spanish nationality does not apply to emigrants or their children.[16] The Democratic Memory Law created additional temporary routes for specified descendants and other categories; the deadline for requesting an appointment to submit a new application under those provisions was 22 October 2025.[48]

A separate procedure under Law 12/2015 created an exceptional route to Spanish nationality for Sephardim of Spanish origin without the ordinary residence requirement; that procedure was time-limited.[49] The preamble to that law recounts earlier Spanish protection of Sephardic communities, including the 1924 decree that opened a temporary naturalization process for certain former Spanish protégés, their descendants, and members of families of Spanish origin; the period ended in 1930. It also describes later consular protection of some Sephardim during the Second World War, including the work of Ángel Sanz Briz.[49]

In October 2006, the Andalusian Parliament asked the three parliamentary groups that form the majority to support an amendment that would ease the way for Morisco descendants to gain Spanish nationality. The proposal was originally made by IULV-CA, the Andalusian branch of the United Left.[50] Such a measure might have benefited an indeterminate number of people, particularly in Morocco.[51] However, the call went unheeded by the central Spanish authorities.

Ukraine

Article 3 of Ukraine's citizenship law treats as Ukrainian citizens all citizens of the former Soviet Union who were permanently resident in Ukraine when independence was proclaimed on 24 August 1991, as well as people who were living in Ukraine when the first citizenship law entered into force on 13 November 1991 and who were not citizens of another state.[52]

United Kingdom

The British Nationality Act 1948 introduced citizenship of the United Kingdom and Colonies (CUKC) while retaining "British subject" (also called Commonwealth citizen) as a common status for citizens of the United Kingdom and Colonies and independent Commonwealth countries; at the time, British subjects were generally free to enter the United Kingdom.[53] The Commonwealth Immigrants Act 1968, amending legislation passed in 1962, removed the right of entry from 200,000 south Asians long resident in British East Africa who had become the victims of the Africanization drive in newly independent Kenya and wished to move to Britain.[54] The act required "substantial connection" to Britain, defined as:

  1. birth or the birth of a parent or grandparent in the United Kingdom;
  2. a parent or grandparent who was Naturalised in the United Kingdom;
  3. a parent or grandparent who became a national of the United Kingdom or its colonies by adoption;
  4. had acquired British Nationality under legislation passed in 1948 or 1964.

Further provisions extended rights to stepchildren. The wording of this legislation refers to 'Citizenship', 'Naturalisation' and 'Residence', and at no point refers to any specific ethnicity or ethnic group.[54][55] Announcing his support for right of return legislation in Britain, Member of Parliament Quintin Hogg stated that, "All the great nations of the earth have what the Jews call a Diaspora," and affirmed that nations "special and residual obligation(s) toward them," which include recognizing their right to nationality.[56]

The Immigration Act 1971 affirmed the principles of the 1968 legislation by creating a right of abode for specified people with close connections to the United Kingdom, including citizens of the United Kingdom and Colonies with qualifying connections through birth, adoption, registration or naturalisation.[56]

The British Nationality Act 1981 created British citizenship, British Overseas Citizenship, and British Dependent Territories Citizenship. From 1 January 1983, British citizenship was acquired by citizens of the United Kingdom and Colonies who had the right of abode in the United Kingdom; the right of abode was also preserved for a limited group of Commonwealth citizens who had already held it under the 1971 Act.[56]

United States

The Immigration and Nationality Act of 1952, as amended—including substantially by the 1965 amendments—forms the core of United States nationality and immigration law. This is codified in Chapter 12 of Title 8 of the U.S. Code, in which section 101(a)(22) states that the term "national of the United States" means:[57]

  1. "a citizen of the United States;" or
  2. "a person who, though not a citizen of the United States, owes permanent allegiance to the United States."

The explanatory comments of this section, when originally written in 1940, provided clarification that all citizens were nationals of the United States but not all nationals were citizens.[6]: 1709 

Other countries

  • Belarus: Official citizenship guidance states that the ordinary permanent-residence period may be reduced or waived for Belarusians, persons identifying as Belarusians, and their direct-line descendants born outside the present territory of Belarus, subject to the applicable legal conditions.[58]
  • Croatia: Croatian citizenship law provides a facilitated route for qualifying emigrants from the territory of present-day Croatia before 8 October 1991, as well as their spouses and descendants. Official guidance notes that applicants in this category are exempt from the Croatian-language and culture test otherwise required in some naturalization cases.[59]
  • Estonia: Article 36 (3) of the Constitution of Estonia states that "Every Estonian is entitled to settle in Estonia."[60]
  • Ghana: Ghana's right of abode law allows for people of African descent to settle in the country.[61]
  • Hungary: In 2010, Hungary passed a law granting nationality and the right of return to descendants of Hungarians living mostly on the former territory of the Hungarian Kingdom and now residing in Hungary's neighbouring countries. Slovakia, which at the time was reported as having about 500,000 ethnic Magyar citizens (roughly 10% of its population), objected vociferously.[62]
  • Iraq: see Iraqi nationality law.
  • Kazakhstan: see Oralman.
  • Lithuania: From the Constitution of Lithuania, Article 32(4): "Every Lithuanian person may settle in Lithuania."[63]
  • Poland: From the Constitution of Poland, Article 52(5): "Anyone whose Polish origin has been confirmed in accordance with statute may settle permanently in Poland."[64] (see Polish nationality law.)
  • Portugal: On April 12, 2013, the Portuguese parliament approved unanimously an amendment to its nationality laws which would permit the descendants of Jews expelled from Portugal in the 16th century to become Portuguese citizens.[65]
  • Romania: Romanian law allows former nationals and their descendants through the second degree to apply to reacquire Romanian nationality, subject to statutory conditions; for certain former nationals who lost citizenship for reasons not attributable to them, descendants through the third degree may qualify.[66]
  • South Korea: A former South Korean national who returns to South Korea for permanent residence after reaching age 65 and is granted restoration of nationality may retain a foreign nationality by making the statutory pledge not to exercise that foreign nationality in South Korea.[67]
  • Serbia: The Citizenship Law allows an emigrant or descendant of an emigrant to be admitted to citizenship under Article 18 if the statutory conditions are met, including a written declaration that the applicant considers Serbia their state.[68] Article 23 provides a route for a member of the Serbian people who does not reside in Serbia, again subject to the statutory declaration and other conditions.[69]

See also

References

  1. ↑ Boll, Alfred Michael (2007). Multiple Nationality And International Law. Leiden: Martinus Nijhoff Publishers. ISBN 978-90-04-14838-3.
  2. ↑ Honohan, Iseult; Rougier, Nathalie (October 2018). "Global Birthright Citizenship Laws: How Inclusive?". Netherlands International Law Review. 65 (3). The Hague, Netherlands: Springer Science+Business Media, T.M.C. Asser Press: 337–357. doi:10.1007/s40802-018-0115-8. ISSN 1741-6191. OCLC 1189243655. S2CID 149761560. Retrieved 16 March 2021.
  3. ↑ Guerry, Linda; Rundell, Ethan (2016). "Married Women's Nationality in the International Context (1918–1935)". Clio. 43 (1: Gender and the Citizen). Paris: Éditions Belin: 73–94. ISSN 2554-3822. JSTOR 26242543. OCLC 7788119453. Retrieved December 19, 2020.
  4. ↑ Stevens, Doris (November 28, 1933). Report on the Nationality of Women (PDF). 7th Conference of American Republics, Montevideo, December 1933. Washington, D.C.: Inter-American Commission of Women – via Alexander Street Press: Women and Social Movements.
  5. ↑ Sawyer, Caroline; Wray, Helena (December 2014). "Report on Citizenship Law: United Kingdom" (PDF). Badia Fiesolana: European University Institute. Archived (PDF) from the original on 28 May 2019. Retrieved 16 March 2021.
  6. 1 2 Villazor, Rose Cuison (March 2017). "American Nationals and Interstitial Citizenship". Fordham Law Review. 85 (4). New York, New York: Fordham University School of Law: 1673–1724. ISSN 0015-704X. OCLC 8090930759. Archived from the original on March 22, 2020. Retrieved March 9, 2021.
  7. ↑ Fransman, Laurie (2011). Fransman's British Nationality Law (3rd ed.). Haywards Heath, West Sussex: Bloomsbury Professional. ISBN 978-1-84592-095-1.
  8. 1 2 3 Vink, Maarten Peter; Luk, Ngo Chun; Bauböck, Rainer (30 November 2021). "A New GLOBALCIT Citizenship Law Dataset: What, Why and How?". GLOBALCIT. Retrieved 21 August 2026.
  9. ↑ "British and American Colonial Naturalization". Constitution Annotated. Congress.gov, Library of Congress. Retrieved 21 August 2026.
  10. ↑ "Law on Nationality of 20 August 1996". Refworld. United Nations High Commissioner for Refugees. 20 August 1996. Retrieved 21 August 2026.
  11. ↑ "Constitution of the Republic of Liberia, Chapter IV: Citizenship". Laws of Liberia. Retrieved 21 August 2026.
  12. ↑ "Citizenship". Ministry of Foreign Affairs and International Cooperation. Government of Italy. Retrieved 21 August 2026.
  13. ↑ "Acquisition of Nationality by Marriage". Consular Portal. Ministry of Foreign Affairs, Cooperation and Regional Integration, Cabo Verde. Retrieved 21 August 2026.
  14. ↑ Guerry, Linda; Rundell, Ethan (2016). "Married Women's Nationality in the International Context (1918–1935)". Clio. 43 (1: Gender and the Citizen). Paris: Éditions Belin: 73–94. ISSN 2554-3822. JSTOR 26242543. OCLC 7788119453. Retrieved 21 August 2026.
  15. 1 2 "Закон за българското гражданство". Ministry of Justice of the Republic of Bulgaria (in Bulgarian). Retrieved 21 August 2026.
  16. 1 2 3 4 5 "Real Decreto de 24 de julio de 1889 por el que se publica el Código Civil". Boletín Oficial del Estado (in Spanish). Government of Spain. Retrieved 21 August 2026.
  17. ↑ "Law on citizenship, residence and access" (PDF) (in Italian). Vatican City State. 22 February 2011. Retrieved 31 July 2022.
  18. ↑ de Groot, Gerard-René. 2006. "Nationality Law." Pp. 476–92 in Elgar Encyclopedia of Comparative Law, edited by J. Smiths. p. 479. Edward Elgar Publishing.
  19. ↑ "Right to a Nationality and Statelessness." OHCHR.org. Office of the United Nations High Commissioner for Human Rights.
  20. ↑ "Convention on Certain Questions Relating to the Conflict of Nationality Laws." League of Nations. 1930. Archived from the original on 26 December 2014.
  21. ↑ "Proposed Amendments to the Naturalization Provisions of the Constitution of Costa Rica." Advisory Opinion OC 4/84. Inter-American Court of Human Rights. 19 January 1984. § 3, para. 32, p. 9.
  22. ↑ "ICL - Armenia - Constitution". Retrieved 7 February 2015.
  23. ↑ "Конституция на Република България". Ministry of Justice of the Republic of Bulgaria (in Bulgarian). Retrieved 21 August 2026.
  24. ↑ "CONSTITUTION OF THE PEOPLE'S REPUBLIC OF CHINA". Retrieved 7 February 2015.
  25. ↑ Government of Hong Kong. 28 April 2015. "Immigration Department to implement pilot Admission Scheme for 2nd Generation of Chinese HK Permanent Residents & enhancements to talent admission arrangements" (press release).
  26. ↑ "Application Instructions for Nationals without Household Registration in the Taiwan Area Extending their Stay in Taiwan". National Immigration Agency, R.O.C. (Taiwan). 22 January 2024. Retrieved 21 August 2026.
  27. ↑ "Application Instructions for Nationals without Household Registration in the Taiwan Area Visiting Taiwan". National Immigration Agency, R.O.C. (Taiwan). 22 January 2024. Retrieved 21 August 2026.
  28. ↑ "Granting Nationality of the Czech Republic - Ministry of the interior of the Czech Republic". Chamber of Deputies of the Czech Republic. Retrieved 2016-11-16.{{cite web}}: CS1 maint: deprecated archival service (link)
  29. ↑ "Permanent residence permit for persons with Czech origin". Chamber of Deputies of the Czech Republic. Retrieved 2017-04-25.
  30. ↑ "Romové v České republice - cizinci ve vlastní zemi". Czech Radio (in Czech). Retrieved 7 February 2015.
  31. ↑ "Ministerstvo práce a sociálních věcí". Ministry of Labor and Social Affairs of the Czech Republic. Archived from the original on January 12, 2002. Retrieved September 29, 2013.
  32. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2006-04-10. Retrieved 2006-02-08.{{cite web}}: CS1 maint: archived copy as title (link)
  33. 1 2 "Remigration". Finnish Immigration Service. Retrieved 21 August 2026.
  34. ↑ "Remigration of Ingrian Finns ends on 1 July 2016". Finnish Immigration Service. Retrieved 21 August 2026.
  35. ↑ "Κώδικας Ελληνικής Ιθαγένειας (Ν. 3284/2004)" (PDF). Ministry of the Interior, Greece (in Greek). Retrieved 21 August 2026.
  36. ↑ "PIO Cards". Embassy of India, Buenos Aires. Ministry of External Affairs, Government of India. Retrieved 21 August 2026.
  37. ↑ "Overseas Citizen of India Cardholder". Ministry of Home Affairs, Government of India. Retrieved 21 August 2026.
  38. ↑ "OCI Services: Frequently Asked Questions". OCI Services. Government of India. Retrieved 21 August 2026.
  39. ↑ "Citizenship". Department of Foreign Affairs, Ireland. Retrieved 21 August 2026.
  40. ↑ "Born abroad". Department of Foreign Affairs, Ireland. Retrieved 21 August 2026.
  41. ↑ "Apply for Irish citizenship by Irish descent or Irish associations". Immigration Service Delivery. Department of Justice, Home Affairs and Migration, Ireland. Retrieved 21 August 2026.
  42. ↑ "The Law of Return and its 1970 amendment". The Knesset. Retrieved 21 August 2026.
  43. ↑ "Knesset background on the Law of Return". The Knesset. Retrieved 21 August 2026.
  44. 1 2 "Nationality Q&A". Ministry of Justice, Japan. Retrieved 21 August 2026.
  45. ↑ "Shorter residency requirement for certain groups". Norwegian Directorate of Immigration. Retrieved 21 August 2026.
  46. ↑ Citizenship Retention and Re-acquisition Act of 2003, Chan Robles Law Library, 29 August 2003, retrieved 2008-10-06.
  47. ↑ "Статья 16. Прием в гражданство Российской Федерации отдельных категорий иностранных граждан и лиц без гражданства". КонсультантПлюс (in Russian). Retrieved 21 August 2026.
  48. ↑ "Urgent notice regarding Spanish nationality – Democratic Memory Law". Consulate General of Spain in London. Ministry of Foreign Affairs, European Union and Cooperation. Retrieved 21 August 2026.
  49. 1 2 "Ley 12/2015, de 24 de junio, en materia de concesión de la nacionalidad española a los sefardíes originarios de España". Boletín Oficial del Estado (in Spanish). Government of Spain. 25 June 2015. Retrieved 21 August 2026.
  50. ↑ Propuesta de IU sobre derecho preferente de moriscos a la nacionalidad Archived 2008-12-11 at the Wayback Machine (in Spanish)
  51. ↑ Piden la nacionalidad española para los descendientes de moriscos Archived 2009-05-18 at the Wayback Machine (in Spanish)
  52. ↑ "Stateless persons". UNHCR Ukraine. United Nations High Commissioner for Refugees. Retrieved 21 August 2026.
  53. ↑ Joppke, Christian, Immigration and the Nation-State; The United States, Germany and Great Britain, Oxford, Oxford University Press, 1999, p.101
  54. 1 2 Joppke, Christian, Immigration and the Nation-State; The United States, Germany and Great Britain, Oxford, Oxford University Press, 1999, p.109
  55. ↑ Commonwealth Immigrants Act 1968 http://www.britishcitizen.info/CIA1968.pdf Archived 2011-06-07 at the Wayback Machine
  56. 1 2 3 Joppke, Christian, Immigration and the Nation-State; The United States, Germany and Great Britain, Oxford, Oxford University Press, 1999, p.110
  57. ↑ "U.S. Citizenship Laws and Policy : Dual Nationality". travel.state.gov. Archived from the original on February 27, 2021. Retrieved February 20, 2020.
  58. ↑ "Acquisition of citizenship". Brest Regional Executive Committee. Retrieved 21 August 2026.
  59. ↑ "Croatian Citizenship Overview" (PDF). Ministry of Foreign and European Affairs of the Republic of Croatia. July 2022. Retrieved 21 August 2026.
  60. ↑ "The Constitution of the Republic of Estonia – Riigi Teataja". Retrieved 15 July 2016.
  61. ↑ Ghana, a place for African-Americans to resettle
  62. ↑ Pandora's Passport, Hungary extends citizenship beyond its borders, Slovakia retaliates," The Economist, June 5, 2010, p. 60.
  63. ↑ "ICL - Lithuania - Constitution". Retrieved 15 July 2016.
  64. ↑ "ICL - Poland - Constitution". Retrieved 15 July 2016.
  65. ↑ "Descendants of Jews who fled persecution may claim Portuguese citizenship". The Times of Israel. 13 April 2013. Retrieved 15 July 2016.
  66. ↑ "Legea cetățeniei române nr. 21/1991". Portal Legislativ (in Romanian). Retrieved 21 August 2026.
  67. ↑ "Multiple nationality following restoration of nationality". Easy Law. Ministry of Government Legislation, Republic of Korea. Retrieved 21 August 2026.
  68. ↑ "Citizenship". Consulate General of the Republic of Serbia in Toronto. Retrieved 21 August 2026.
  69. ↑ "Citizenship". Ministry of Foreign Affairs of the Republic of Serbia. Retrieved 21 August 2026.
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