Why doesn't Estonia allow dual citizenship?

My understanding is that many Russian-speaking Estonian nationals qualify for Russian citizenship, and Estonia doesn't want ca. 200–250000 Russian citizens living within its borders. read more

As Eric said - It’s to avoid Russian speakers in Estonia from acquiring dual Russian citizenship. Because Russia has used that as a pretext for invasion before. But, it’s only illegal de jure. read more

Countries that allow dual citizenship *Countries with an asterisk allow dual citizenship under select conditions only. Albania. Albania generally allows dual citizenship. Angola. Despite being ranked as the worst place on earth to be a child, Angola does not impose any restrictions on dual citizenship. Australia. read more

Dual Citizenship Dual citizenships has been in much of the debate over the years. Much of the developed countries such as US, UK, Australia, Switzerland have no restrictions on holding dual nationality, whereas countries such as Singapore, Austria, India, Saudi Arabia do not “recognize” or “restrict” dual citizenships, leading to automatic loss of citizenship upon acquiring other. read more