Which countries in the world do not recognize dual citizenship?

Asia: Hongkong, China, Macau, China, Taiwan Province Province, China, China, Korea (with conditional recognition), Philippines, Vietnam, Cambodia, Bangladesh, Sri Lanka, Pakistan, Syria, Jordan, Lebanon, Israel, Palestine, Georgia, Turkey and Iran.

Europe: Ireland, United Kingdom, Portugal, Spain, France, Belgium, Netherlands, Germany (limited recognition), Sweden, Switzerland, Finland, Poland (acquiescence), Austria (special contribution), Hungary, Italy, Bosnia and Herzegovina (conditional recognition), Serbia, Albania, Bulgaria, Moldova, Cyprus and Malta.

North America: Greenland (Denmark), Canada, USA (acquiescence), Mexico, Barbados, Dominica, Costa Rica, Trinidad and Tobago, Jamaica, El Salvador and Guatemala.

South America: Colombia, Venezuela, Peru, Chile, Bolivia, Brazil and Argentina.

Oceania: Australia, New Zealand, Samoa, Cook Islands (New), Solomon Islands, Guam (United States), New Caledonia (France), French Polynesia, Pitcairn Island (United Kingdom), wallis islands and Futuna Islands (France), Niue (New), Tokelau (New), American Samoa and Northern Mariana Islands (United States).

Africa: Egypt, Congo * * Republic (Congo [Brazzaville]), Democratic Republic of Congo (Congo [Kinshasa]), Morocco, Cameroon, Ethiopia, Somalia, Azores (Portugal), Madeira Islands (Portugal), Eritrea, Sao Tome and Principe, Djibouti, Uganda, Gabon, Equatorial Guinea, Algeria, Tunisia.

C? te d 'Ivoire, Chad, Rwanda, South Africa, Yemen, Nigeria, Gambia, Mali, Burkina Faso, Cape Verde, Sierra Leone, Liberia, Canary Islands (West), Angola, Senegal, Seychelles, Namibia, Swaziland, Mauritius, Madagascar, C? te d 'Ivoire, Reunion (France), Saint Helena (UK), Lesotho, * * * 40.

Extended data:

For the positive conflict of nationality, the conflict laws of different countries distinguish different situations and adopt the following methods to solve it:

(1) If one of the two or more nationalities of the parties is domestic, the domestic nationality shall generally prevail, that is, the domestic law shall be the domestic law of the parties. Because every sovereign state has the right to decide who its citizens are, and it has no obligation to submit to the conflict provisions of another country.

(2) When two or more nationalities are foreign, countries have different practices, and the main solutions are as follows:

① The nationality of the country where the parties have their domicile or habitual residence shall prevail.

(2) In the order of nationality.

One way is to obtain priority nationality first. The reason is that acquired rights should be respected. However, multiple nationalities acquired at birth are often acquired at the same time, and there is no order. Another way is to obtain the nationality of the latter first. The reason is that the parties have the freedom to choose their nationality. However, in the case of natural acquisition, you can acquire multiple nationalities at the same time, in no particular order.

(3) The country that has the closest connection with the parties concerned is the country of nationality. This method is reasonable, but it is not as simple as the first two methods. When determining which country's nationality has the closest relationship with the party concerned, the main factors to be considered should be: which country the party concerned was born in, which country has domicile or habitual residence, which country exercises political rights, which country engages in business activities, etc.

Baidu Encyclopedia-Dual Nationality

Phoenix. Com- The Mystery of Dual Nationality: South Korea and Vietnam are strictly forbidden in China and Japan.