1、亚洲承认双重国籍的国家和地区：

　　中国香港（中华人民共和国）、中国澳门（中华人民共和国）、中国台湾（中华民国）、韩国（有条件承认）、菲律宾、越南、印度尼西亚、柬埔寨、孟加拉国、印度，斯里兰卡、巴基斯坦、叙利亚、约旦、巴勒斯坦、黎巴嫩、以色列、格鲁吉亚、亚美尼亚、伊朗、伊拉克、阿富汗、爱沙尼亚、阿塞拜疆、土库曼斯坦、塔吉克斯坦、卡塔尔、泰国、马尔代夫、东帝汶、哈萨克斯坦、吉尔吉斯斯坦、也门、日本（注：22岁前选择）、新加坡，乌兹别克共35个

　　注：韩国2011年修订的法律规定艺人可以有双国籍。所以韩国艺人可以是双重国籍。

　　日本拥有双重国籍的公民必须在22岁之前放弃其中的一个。如果你选择日本国籍，那你的别国护照在日本不能用。虽然日本国籍法上规定本人应该为放弃外国国籍而努力。（第16条））

　2、欧洲承认双重国籍的国家和地区：

　　欧盟成员国除一些原来就在不同程度上各自承认双重国籍外，实际上在1997年欧洲理事会制定的《欧洲国籍公约》规定的某些范围内，如公约第五章第14条“法定的多重国籍”之1规定“任何缔约国应允许：

　　（1）如果儿童因出生而自动获得了多重国籍，则可保留这些国籍。”，是承认双重国籍的。目前的欧盟成员国包括：法国、德国（有限期承认）、意大利、荷兰、比利时、卢森堡、爱尔兰、英国（含北爱尔兰）、丹麦、希腊、西班牙、葡萄牙、芬兰、瑞典、奥地利、爱沙尼亚、拉脱维亚、立陶宛、波兰（默许）、捷克、匈牙利、斯洛伐克、斯洛文尼亚、马耳他、塞浦路斯、罗马尼亚、保加利亚、克罗地亚（默认）共28个国家。

　　此外还有下述国家：挪威、罗马尼亚、波士尼亚和黑塞哥维那、塞尔维亚、阿尔巴尼亚、乔治亚、摩尔多瓦、瑞士、土耳其、俄罗斯、乌克兰、格鲁吉亚、马其顿、列支敦士登、摩纳哥公国、安道尔、梵蒂冈，共17个国家也是承认或一定程度承认双重国籍的。

　　奥地利一般不承认双重国籍，但对奥有特殊贡献者，可保留其奥地利国籍；

　　西班牙与下列国家互认双重国籍

　　阿根廷，玻利维亚，智利，哥伦比亚，哥斯达黎加，多米尼加共和国，厄瓜多尔，危地马拉，洪都拉斯，尼加拉瓜，巴拉圭，秘鲁和乌拉圭，安道尔，葡萄牙，菲律宾，赤道几内亚。

1. Countries and regions in Asia that recognize dual nationality:

Hong Kong, China (People's Republic of China), Macau, China (People's Republic of China), Taiwan, China (Republic of China), South Korea (conditional recognition), Philippines, Vietnam, Indonesia, Cambodia, Bangladesh, India, Sri Lanka, Pakistan, Syria, Jordan , Palestine, Lebanon, Israel, Georgia, Armenia, Iran, Iraq, Afghanistan, Estonia, Azerbaijan, Turkmenistan, Tajikistan, Qatar, Thailand, Maldives, Timor-Leste, Kazakhstan, Kyrgyzstan, Yemen, Japan (Note: Before the age of 22 Choice), Singapore, Uzbekistan, a total of 35

Note: South Korea's 2011 revised law stipulates that artists can have dual nationalities. So Korean artists can be dual nationals.

Japanese citizens with dual citizenships must renounce one of them by the age of 22. If you choose Japanese nationality, your passport of another country cannot be used in Japan. Although the Japanese Nationality Law stipulates that I should work hard to renounce foreign nationality. (Article 16))

2. Countries and regions in Europe that recognize dual citizenship:

Except for some EU member states that originally recognized dual nationality to varying degrees, in fact, within certain scopes stipulated in the "European Nationality Convention" formulated by the European Council in 1997, such as Article 14 of Chapter V of the Convention "statutory". Multiple Nationality"-1 states that "any Contracting State shall allow:

(1) If the child automatically acquires multiple nationalities by birth, these nationalities may be retained. ”, which recognizes dual nationality. The current EU member states include: France, Germany (limited recognition), Italy, the Netherlands, Belgium, Luxembourg, Ireland, the United Kingdom (including Northern Ireland), Denmark, Greece, Spain, Portugal, Finland , Sweden, Austria, Estonia, Latvia, Lithuania, Poland (default), Czech Republic, Hungary, Slovakia, Slovenia, Malta, Cyprus, Romania, Bulgaria, Croatia (default) a total of 28 countries.

In addition to the following countries: Norway, Romania, Bosnia and Herzegovina, Serbia, Albania, Georgia, Moldova, Switzerland, Turkey, Russia, Ukraine, Georgia, Macedonia, Liechtenstein, Principality of Monaco, Andorra, Vatican, a total of 17 Many countries also recognize or recognize dual citizenship to some extent.

Austria generally does not recognize dual nationality, but those who have made special contributions to Austria can retain their Austrian nationality;

Spain recognizes dual citizenship with the following countries

Argentina, Bolivia, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, Guatemala, Honduras, Nicaragua, Paraguay, Peru and Uruguay, Andorra, Portugal, Philippines, Equatorial Guinea.