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Jus sanguinis (English: / / juss SANG-gwin-iss, / -/ yoos -, Latin: [juːs ˈsaŋɡwɪnɪs]; 'right of blood') is a principle of nationality law by which citizenship is determined or acquired by the nationality or ethnicity of one or both parents. Children at birth may be citizens of a particular state if either or both of their parents have citizenship of that state. It may also apply to national identities of ethnic, cultural, or other origins. Citizenship can also apply to children whose parents belong to a diaspora and were not themselves citizens of the state conferring citizenship. This principle contrasts with jus soli ('right of soil'), which is solely based on the place of birth.
Today, almost all states apply some combination of jus soli and jus sanguinis in their nationality laws to varying degrees, one exception being the Vatican City State. Historically, the most common application of jus sanguinis is a right of a child to his / her father's nationality. Today, the vast majority of countries extend this right on an equal basis to the mother. Some apply this right irrespective of the place of birth, while others may limit to those born in the state. Some countries provide that a child acquires the nationality of the mother if the father is unknown or stateless, and some irrespective of the place of birth. Some such children may acquire the nationality automatically while others may need to apply for a parent's nationality.
At the end of the 19th century, the French-German debate on nationality saw the French, such as Ernest Renan, oppose the German conception, exemplified by Johann Fichte, who believed in an "objective nationality", based on blood, race or language. Renan's republican conception, but perhaps also the presence of a German-speaking population in Alsace-Lorraine, explains France's early adoption of jus soli.
Many nations have a mixture of jus sanguinis and jus soli, including the United States, Canada, Israel, Greece, the Republic of Ireland, and recently Germany. Today French nationality law narrowly applies jus sanguinis, but it is still the most common means of passing on citizenship in many continental European nations.
Complications due to imposed boundaries
Some modern European states which arose out of the dissolved Austro-Hungarian or Ottoman empires have huge numbers of ethnic populations outside of their new 'national' boundaries, as do most of the former Soviet states. Such long-standing diasporas do not conform to codified 20th-century European rules of citizenship.
In many cases, jus sanguinis rights are mandated by international treaty, with citizenship definitions imposed by the international community. In other cases, minorities are subject to legal and extra-legal persecution and choose to immigrate to their ancestral home country. States offering jus sanguinis rights to ethnic citizens and their descendants include Italy, Greece, Turkey, Bulgaria, Lebanon, Armenia, Hungary and Romania. Each is required by international treaty to extend those rights.
Current Jus sanguinis states
This section needs additional citations for verification. (November 2020)
|Morocco||Moroccan nationality law works in accordance to Article 6, that says a child born of a Moroccan father, or a Moroccan mother is a Moroccan by filiation.|
|Kenya||According to Article 14(1) of the Constitution of Kenya, 2010 a person becomes a citizen by birth if on the day of the person birth either parent is a citizen of Kenya|
|Nigeria||Nigerian nationality law works in accordance to chapter 3, section 25 1C of the Nigerian Constitution.|
|Tunisia||When one of the parents is Tunisian, a child is considered Tunisian regardless of the child's place of birth or whether the child has acquired the nationality of another country. Children with at least one Tunisian parent, no matter where they are born, are considered Tunisian citizens, and must travel to and from Tunisia only with a Tunisian passport.|
|Canada||Under Canadian nationality law any person born to a Canadian-citizen parent is automatically a Canadian citizen. An exception to this was introduced in 2009 to limit citizenship by descent to one generation born outside Canada: those born outside Canada within one generation of a native-born or naturalized citizen parent are Canadian citizens by descent, but their children are no longer granted citizenship by descent.|
|Chile||Chilean nationality law|
|Colombia||Colombian nationality law|
|Dominican Republic||According to the Dominican constitution, a child born abroad, to at least one of whose parents is a Dominican, is a citizen.|
|Haiti||According to Haitian nationality law, every child born to a Haitian father or mother, no matter where he or she was born, is Haitian by the Haitian Constitution. This has been a big issue in the current Dominican nationality law; because of this and other factors, illegal migrants' children born in the DR of Haitian origin are considered non-Dominicans, and therefore Haitians.|
|Mexico||Article 30 of the Mexican Constitution indicates that Mexicans are also persons born abroad, to a parent or parents who at that time were Mexicans born in Mexican territory. Also, a person born abroad is also Mexican, if at the time of birth either or both parents were Mexicans by naturalization. Mexico's Constitution considers them Mexicans by birth.|
|Surinam||Surinamese nationality law|
|United States||U.S. nationality law states that a child born abroad is given United States citizenship at birth if at least one parent is a citizen or national, subject to certain conditions.|
|Venezuela||Articles 32 to 42 of the Constitution of Venezuela.|
|Armenia||Armenian nationality law|
|China||Nationality law of the People's Republic of China|
|India||A child born in India must have at least one parent who is an Indian citizen to be conferred citizenship. Earlier, people born in India were given citizenship regardless of the citizenship held by parents, but this was changed on 3 December 2004. Persons with at least one Indian grandparent may apply for a Person of Indian Origin card, provided that neither the applicant nor any ancestor has ever been a citizen of Pakistan, Bangladesh, Nepal, Sri Lanka, Afghanistan, or China. The government may add other countries to the list. This card is a travel document and permits the holder to enter and stay in India without a visa, work, start a business, own land, and attend educational institutions, but it does not give the right to vote or hold office. In addition, persons of Indian origin who are nationals of countries not on the list may apply for overseas citizenship of India, which confers similar rights and also permits the holder to apply for full Indian nationality after one year of residence.|
|Iran||According to the Iranian nationality law the following people are considered to be Iranian subjects:
|Israel||Israeli nationality law confers citizenship by law, upon all children of Israeli citizens born in Israel, as well as the first generation of descendants of Israeli expatriates living abroad. All children born abroad must be registered within 30 days of birth. Israel refuses travel of children holding foreign passport and were born abroad to Israeli parent.|
|Japan||Japanese nationality law|
|Mongolia||Mongolian nationality law allows citizens to gain citizenship if one parent is a Mongolian.|
|Philippines||Philippine nationality law is based upon the principles of jus sanguinis and therefore descent from a parent who is a citizen or national of the Philippines is the primary method of acquiring Philippine citizenship.|
|South Korea||South Korean nationality law|
|Thailand||Thai nationality law|
|Taiwan||According to Article 2 of Taiwan's nationality Act, a person shall have the nationality of the ROC under any of the conditions provided by following subparagraphs, the first subparagraph being: his/her father or mother was a national of the ROC when he/she was born.|
|United Arab Emirates (UAE)||Emirati nationality law is covered by UAE federal law No. 17 of year 1972 which states a child born to at least one parent who is an Emirati citizen is an Emirati national by descent.|
|Austria||Austrian nationality law|
|Czech Republic||Under Czech nationality law, children and some grandchildren of citizens automatically receive citizenship regardless of birth location|
|Denmark||Danish nationality law|
|Estonia||Article 8 of the Estonian Constitution states that every child with at least one parent who is an Estonian citizen shall have the right, by birth, to Estonian citizenship.|
|Finland||Finnish nationality law|
|France||French nationality law|
|Germany||German nationality law. Any person born to a German-citizen parent is a German citizen. However, this is not the case for children born abroad if their German parent(s) was / were born abroad after 31 December 1999 and do(es) not have their primary residence in Germany: the child is not automatically a German citizen by birth, but can acquire German citizenship as long as their German parent(s) register(s) their birth with the responsible German diplomatic mission within one year of the child's birth. This limitation does not apply if the child would otherwise be stateless or if one foreign-born German parent was born on or before 31 December 1999. Thus, the German citizenship of future generations born abroad can be preserved by having each child's birth registered with the German diplomatic mission within one year of birth. Furthermore, Article 116(1) of the German Basic Law confers, within the confines of the laws regulating the details, a right to citizenship upon any person who is admitted to Germany (in its borders of 1937) as "refugee or expellee of German ethnic origin or as the spouse or descendant of such a person." At one time, ethnic Germans living abroad in a country in the former Eastern Bloc (Aussiedler) could obtain citizenship through a virtually automatic procedure. Since 1990 the law has been steadily tightened to limit the number of immigrants each year. It now requires immigrants to prove language skills and cultural affiliation. Article 116(2) entitles persons (and their descendants) who were denaturalised by the Nazi government, to be renaturalised if they wish. Those among them who took their residence in Germany after 8 May 1945, are automatically to be considered German. Both paragraphs (1) and (2) result in a considerable number of Poles and Israelis, residing in Poland and Israel respectively, being concurrently German.|
|Hungary||A person acquires Hungarian citizenship at birth if at least one parent is a Hungarian citizen. The place of birth is irrelevant. Furthermore, Section 4(3) of the Act on Nationality permits ethnic Hungarians (defined as persons "at least one of whose relatives in ascendant line was a Hungarian citizen") to obtain citizenship on preferential terms after one year of residence. In addition, the "Status Law" of 2001 grants certain privileges to ethnic Hungarians living in territories that were once part of the Austro-Hungarian Empire. It permits them to obtain an identification card but does not confer the right to full Hungarian citizenship. According to the latest Citizenship Law adopted in 2010, anybody, possessing certain evidence (certificates, documents) of his or her Hungarian roots from around the World can apply for Hungarian citizenship. The interview is led in Hungarian either in Hungary or at one of the Consulates abroad.|
|Iceland||Icelandic nationality law|
|Republic of Ireland||Under Irish nationality law, any person with a parent born on the island of Ireland (including Northern Ireland, which is part of the United Kingdom) is automatically an Irish citizen. Anyone with a grandparent (but not a parent) born on the island of Ireland can become an Irish citizen by registering in the Foreign Births Register at an Irish embassy or consular office, or at the Department of Foreign Affairs in Dublin. Such an individual may also pass their entitlement to Irish citizenship on to their children by registering in the Foreign Births Register, provided that they do so before the birth of those children. Thus, the Irish citizenship of future generations born abroad can be preserved as long as the youngest generation registers onto the Foreign Births Register before having any children. The minister may also waive the usual requirements for naturalisation as an Irish citizen for those of "Irish descent or Irish associations", although this power is rarely used.|
|Italy||Italian nationality law|
|Malta||Maltese nationality law grants citizenship to any person descended from "an ascendant who was born in Malta of a parent who was also born in Malta."|
|Netherlands||Dutch nationality law|
|Norway||Norwegian nationality law|
|Poland||Polish nationality law. The definition of Polish citizenship has been based for years on article 34 of the Polish Constitution; this article is based on a jus sanguinis right to citizenship. Moreover, any child born by Polish parent(s) is a de jure citizen of Poland. In 1967–1968 the Communist State issued to Jews emigrating from Poland to Israel, instead of passports, a so-called travel document which granted them the right to exit Poland but not of re-entering it, in effect taking away their Polish citizenship on the assumption that, in emigrating or traveling to Israel, they renounced it themselves. In a 2005 verdict, the Supreme Administrative Court of Poland ruled that this action was illegal based on the state of law at that time. Consequently, it is now assumed the Jews who emigrated after 1968 have remained Polish citizens and their citizenship will be certified on request.|
|Romania||Romanian nationality law|
|Russia||Russian nationality law|
|Slovakia||Persons with at least one Slovak grandparent and "Slovak cultural and language awareness" may apply for an expatriate identity card entitling them to live, work, study and own land in Slovakia. Expatriate status is not full citizenship and does not entitle the holder to vote, but a holder who moves his or her domicile to Slovakia may obtain citizenship under preferential terms. Slovakia grants full Slovak citizenship to children of Slovak parents (one or both parents) irrespective of the place of birth.|
|Sweden||Swedish nationality law|
|Switzerland||Swiss nationality law is exceptionally restrictive: someone who was born in Switzerland and has spent their entire life there has no automatic right to Swiss citizenship if neither of their parents are Swiss citizens, even if their parents are permanent residents or have themselves spent their entire lives in Switzerland. In fact, the citizenship criteria are simpler for a foreigner with no previous ties to Switzerland who marries a Swiss citizen, than for people born and raised in Switzerland but with foreign parents. Due to Switzerland's high immigrant population, there are more than a million people who were born and have spent their entire lives in Switzerland but are not Swiss citizens due to their parents being immigrants. Some Swiss-born third-generation immigrants even have Swiss-born parents but are not Swiss citizens if neither of their parents have naturalised. To obtain Swiss citizenship, people in this position must undergo naturalisation proceedings, which have a high bar to satisfy the "integration" criterion. The unusual rules hit international headlines in 2017 when a woman born in Switzerland to Turkish parents, who is a native Swiss-German speaker and has spent her entire life in Switzerland, had her citizenship application denied by the local municipality on "integration" grounds as she could not name enough Swiss mountains, cheeses and retail brands, and was deemed not to have gone skiing often enough. The decision was overruled by the cantonal government several months later. In 2017, Swiss voters in a nationwide referendum agreed to relax the citizenship criteria for third-generation immigrants slightly: although they will still not be Swiss citizens at birth and will need to apply for citizenship, they will no longer have to take naturalisation tests or interviews if their parents and grandparents are long-time permanent residents.|
|Ukraine||Article 8 of the Law on Citizenship of Ukraine permits any person with at least one Ukrainian grandparent to become a citizen upon renunciation of the former nationality. The "Status of a Foreign Ukrainian" can also be granted to foreign citizens with Ukrainian ethnic or territorial origin to work, study, and immigrate to Ukraine under preferential terms.|
|United Kingdom||By birth abroad, which constitutes "by descent" if one of the parents is a British citizen otherwise than by descent (for example by birth, adoption, registration or naturalisation in the UK). British citizenship by descent is only transferable to one generation down from the parent who is a British citizen otherwise than by descent, if the child is born abroad.|
Current Leges sanguinis states
Many countries provide citizenship on preferential terms to individuals with ethnic ties to these countries (so-called leges sanguinis).
|Afghanistan||Connection to the Afghan diaspora. There have been controversial proposals to people of Pashtun origin.|
|Armenia||Article 14 of the Constitution of Armenia (1995) provides that "individuals of Armenian origin shall acquire citizenship of the Republic of Armenia through a simplified procedure." This provision is consistent with the Declaration on Independence of Armenia, issued by the Supreme Soviet of the Republic of Armenia in 1989, which declared at article 4 that "Armenians living abroad are entitled to the citizenship of the Republic of Armenia."|
|Bulgaria||Article 25 of the 1991 constitution specifies that a "person of Bulgarian origin shall acquire Bulgarian citizenship through a facilitated procedure." Article 15 of the Law on Bulgarian Citizenship provides that an individual "of Bulgarian origin" (ethnicity) may be naturalized without any waiting period and without having to show a source of income, knowledge of the Bulgarian language, or renunciation of his former citizenship. This approach has been a tradition since the new constitutional foundation of Bulgaria in 1879, following the liberation from Ottoman yoke in 1878, when large numbers of ethnic Bulgarians remained outside of the state borders. Bulgaria and Greece were subject to a population exchange following the Second Balkan War. The conditions of the treaty settlement mandated that they accept individuals claiming respective ethnic origin.|
|Croatia||Article 11 of the Law on Croatian Citizenship allows emigrants and their descendants to acquire Croatian nationality upon return, without passing a language examination or renouncing former citizenship. In addition, Article 16 allows ethnic Croats living outside Croatia to "acquire Croatian citizenship" by making a written declaration and by submitting proof of attachment to Croatian culture.|
|Finland||Finnish law provides a right of return to ethnic Finns from the former Soviet Union, including Ingrians. Applicants must now pass an examination in one of the official languages of the country, Finnish or Swedish. Certain persons of Finnish descent who live outside the former Soviet Union also have the right to establish permanent residency, which would eventually entitle them to qualify for citizenship.|
|Germany||Article 116(1) of the German Basic Law confers, subject to laws regulating the details, a right to citizenship for anyone admitted to Germany within its 1937 borders as a "refugee or expelled of German ethnic origin or as the spouse or descendant of such a person." Until 1990, ethnic Germans from the Eastern bloc could obtain citizenship through a virtually automatic procedure, but since then the law was tightened, requiring applicants to prove German language skills and cultural affiliation.|
|Greece||Ethnic Greeks can obtain Greek citizenship by two methods under the Code of Greek Nationality. Article 5 allows ethnic Greeks who are stateless (which, in practice, includes those who voluntarily renounce their nationality) to obtain citizenship upon application to a Greek consular official. In addition, ethnic Greeks who join the armed forces acquire automatic citizenship by operation of Article 10, with the military oath taking the place of the citizenship oath. This position arises from the fact that approximately 85% of known ethnic Greeks were outside the boundaries when the country was formed, and 40% remained outside the final boundaries at the beginning of World War I. Most were de jure stripped of their host country citizenship with the outbreak of war if the host country was at war with Greece. In the late 19th century, Greece had a wider diaspora because of poverty and limited opportunities.|
|Ireland||While the child or a grandchild of an Irish citizen born in Ireland is entitled to Irish citizenship, section 16(a) of the Irish Nationality and Citizenship Act permits the Minister of Justice, at their discretion, to waive the residence requirements for a person "of Irish descent or associations."|
|Israel||The Law of Return offers citizenship to Jews wishing to immigrate, as well as non-Jews with at least one Jewish grandparent (see "Who is a Jew under the Law of Return?") and spouses of Jews. Exceptions can be made for those considered by the Minister of Interior to be a threat to the welfare or security of the state. While those with sufficient Jewish ancestry to qualify for the Law of Return who grew up with a religion other than Judaism and secular Jews are eligible to immigrate to Israel, Jews who voluntarily convert to another religion are not. Converts to Judaism who wish to immigrate to Israel are evaluated on a case-by-case basis by the Israeli Interior Ministry, which determines whether the conversion was sincere in its view. Israeli law also recognizes the descendants of Israeli emigrants living abroad as Israelis; this applies only to the first generation born abroad. Non-Jews can become naturalized after five years of residency and acquisition of a basic knowledge of Hebrew.|
|Italy||The nationality law of Italy bestows citizenship jure sanguinis. There is no limit of generations for the citizenship via blood. However, the first citizens of the modern Italian state were alive on 17 March 1861 when the state was officially formed, and for this reason all claims of Italian citizenship by jure sanguinis must stem from an ancestor who was living after 16 March 1861. Each descendant of the ancestor through whom citizenship is claimed jure sanguinis could pass Italian citizenship to the next generation only if this descendant was entitled to Italian citizenship at the time of the birth of the next person in the line. So if any person in the line lost the Italian citizenship and then had a child, that child did not inherit Italian citizenship jure sanguinis, except if the child could inherit the citizenship from the other parent. Cases of dual citizenship were possible, which is to say, for example, that a person in the line could have had Italian and Canadian citizenship concurrently. Minor children of Italian citizens were at risk of losing Italian citizenship if the child's parent naturalized in another country, unless the child was subject to an exception to this risk—and children born and residing in a country where they held dual citizenship by jus soli were subject to such an exception since 1 July 1912. Until 1 January 1948, Italian law did not generally permit women to pass on citizenship. Persons born before that date are in most cases not Italian citizens jure sanguinis if their line of descent from an Italian citizen depends on a female at some point before 1948. On several occasions, this limitation of deriving Italian citizenship only from fathers before 1948 has been successfully challenged in court.|
|Kiribati||Articles 19 and 23 of the constitution provides,|
|Liberia||The Liberian constitution allows only Negros (regardless of cultural or national affiliation) to become citizens, though people of other races may live in Liberia as permanent residents.|
|Lithuania||The Constitution of Lithuania grants a right to citizenship to foreigners of ethnic Lithuanian origins.|
|Myanmar||The Burma Citizenship Law of 1982 states:|
|Rwanda||The Rwandan constitution provides that "[a]ll persons originating from Rwanda and their descendants shall, upon their request, be entitled to Rwandan nationality."|
|Serbia||Article 23 of the 2004 citizenship law provides that the descendants of emigrants from Serbia, or ethnic Serbs residing abroad, may take up citizenship upon written declaration.|
|Spain||A Spanish law passed in 2015 allows individuals who can prove descent from the Sephardic Jews who were exiled in 1492 following the Alhambra Decree and who can show a "special link" to Spain to apply for dual citizenship. Spain had previously allowed application for such individuals but had required that they give up their citizenship from their other country. The new law has no such requirement.|
|South Korea||South Korean nationality law grants special status to ethnic Koreans and their descendants in the Korean diaspora. Under the Constitution of South Korea, North Korea is part of the Republic of Korea. Therefore, North Korean citizens are also recognized as South Korean nationals. All North Koreans of good conduct are granted citizenship upon arrival to South Korea.|
|Turkey||Turkish law allows people of Turkish origin and their spouse and children, to apply for naturalization without the five-year waiting period applicable to other immigrants. Turkey and Greece reciprocally expelled their minorities in the early 1920s after World War I. They were mandated by international treaty to accept incoming populations as citizens based on ethnic background.|
|Look up jus sanguinis in Wiktionary, the free dictionary.|
- Blood quantum laws
- Diaspora politics
- Indigenous rights
- Jus solis
- Repatriation laws
- Right of return
- Opposition to immigration
- Hereditary title
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