Below, the 36 main countries concerning which a child born in Japan may not be able to acquire the nationality of the parent are categorized into patterns (a) through (d), and the States are listed in the order of the number of residents in Japan, with the first one having the greatest number of residents. (a) The main States that have residency requirements, etc. As described in Case 1, when the country of nationality of the parents requires residency in the country, including travel to such country, a child will not be able to acquire the nationality of the parents if the child has never left Japan. When the parents are citizens of such a country, it is necessary to confirm if the necessary residency requirements have been met for the child to acquire the nationality of the parents. • US94 • UK95 • Paraguay96 • Republic of Ecuador97 • Oriental Republic of Uruguay98 (b) The main States that require the parents to be their citizens As described in Case 2, among the States that have adopted the jus sanguinis principle, some require both of the parents to be their citizens in order for the child to acquire their nationality. If a child is born from a national of such a State, under a complete dual-lineage jus sanguinis as it were, and if the other parent is not its citizen, then the child is not able to acquire the nationality of the country. • Myanmar99 94 U.S. Embassy in Japan, “Shusshouniyoru Beikokusekino Shutoku [Acquisition of American Citizenship at Birth]”, at https://jp.usembassy.gov/ja/u-s-citizen-services-ja/citizenship-services-ja/acquisition-americancitizenship-ja/. 95 British Nationality Act, Article 2. 96 Embassy of the Republic of Paraguay in Japan, “Paraguayan Nationality”, at http://www.embapar.jp/ja/sc/menores/nacionalidad-paraguaya/. 97 Continuous Reports System on International Migration in the Americas, “Ecuador - Nationality and citizenship”, at http://www.migracionoea.org/index.php/en/sicremi-en/273-ecuador-2-3-nacionalidad-y-ciudadania-2.html. 98 Continuous Reports System on International Migration in the Americas, “Uruguay - Nationality and citizenship”, at http://www.migracionoea.org/index.php/en/sicremi-en/310-uruguay-2-2-nacionalidad-y-ciudadania-2.html. 99 Burma Citizenship Law, Article 7. Reference was made to the English translation available at: http://www.refworld.org/docid/3ae6b4f71b.html. 49