Dual Citizenships Allowed: Australia, Barbados, Belgium, Bangladesh, Canada, Cyprus, Denmark, United States, United Kingdom, Switzerland, South Korea, South Africa (requires permission) , Egypt(requires prior permission), Greece, France, Finland, Germany (requires prior permission), Iraq, Italy, Israel, Ireland, Hungary, Iceland, Sweden, Slovenia, Syria, Serbia, Armenia, Lebanon, Malta, Spain ( allows only with certain Latin American countries), Tonga, Philippines, Sierra Leone, Sri Lanka (by retention), Pakistan (accepts only with 16 countries), Portugal, Turkey (requires permission)
Dual Citizenships Not Allowed Andorra, Austria, Azerbaijan ,Burma, Bahrain, Botswana, Japan, China , Czech Republic, Fiji,India,Indonesia, Ecuador, Estonia, Iran, Poland, Papua New Guinea, Brunei, Japan, Peru, Kuwait , Kenya, Kazakhstan, Chile, Kiribati, Poland, Korea, Kuwait, Latvia,Singapore, Slovakia, Ecuador, Lithuania, Solomon Islands ,Fiji ,Malaysia, Mauritius, Netherlands, United Arab Emirates (UAE), Romania, Thailand, Mexico, Nepal, Venezuela, Norway, Zimbabwe, Mauritius, Myanmar, Nepal