Henley & Partners/Newsweek/No Dual Citizenship

By Joe Edwards

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Data mapped by Newsweek shows which countries do not allow dual citizenship.

Why It Matters

A recent Harris Poll survey revealed that 42 percent of U.S. adults have thought about or intend to move abroad to enhance their lifestyle or financial well-being. This figure climbs to 63 percent among Gen Z adults and 52 percent among millennials.

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What To Know

According to Henley & Partners—a U.K.-based investment migration consultancy—at least 39 countries do not permit dual citizenship.

In Africa, these include Botswana, Cameroon, Democratic Republic of Congo, Equatorial Guinea, Eritrea, Ethiopia, Eswatini, Guinea, Libya, Mauritania, Senegal, Tanzania, and Congo.

In the Americas, Cuba and Suriname do not allow dual citizenship; in Europe, these include Andorra, Estonia, Monaco, and San Marino.

As for Asia, Henley & Partners says countries that prohibit dual citizenship include:

• Azerbaijan
• Bhutan
• Brunei
• China
• India
• Indonesia
• Iran
• Japan
• Kazakhstan
• Kuwait
• Laos
• Malaysia
• Myanmar
• Nepal
• North Korea
• Oman
• Qatar
• Saudi Arabia
• Singapore
• Uzbekistan

Countries that ban dual citizenship typically do so to preserve national identity, ensure loyalty, and avoid legal complications, Henley & Partners said. Key reasons include concerns over divided allegiance, potential security risks (like military conflicts or espionage), legal complexities related to taxation and rights, and fears that dual nationality may dilute cultural or political cohesion.

Notable examples include China, India, and Singapore. China fully bans dual citizenship, citing the importance of loyalty and safeguarding national unity.

India disallows it to maintain legal and administrative clarity, offering Overseas Citizenship of India (OCI) status instead, which grants limited privileges without full citizenship.

Singapore upholds a firm one-citizenship rule, stressing national allegiance and requiring proof of renunciation of other citizenships before granting naturalization, the firm said.

What People Are Saying

Tim Osiecki, director of thought leadership and trends at The Harris Poll, previously told Newsweek: "For most of modern history, the American Dream was rooted in one place: America. But that's shifting,"

"While dual citizenship used to be reserved for retirees, the wealthy, or those with strong family ties abroad, it's now a growing goal for middle-class Americans who want more control over their future," he said. "It marks a real mindset shift—less about pledging allegiance to one nation, more about staying agile in a world that feels increasingly unstable."

What Happens Next

"This isn't about a mass migration overnight—but we are at a tipping point," Osiecki said previously. "One in five younger Americans say they're seriously considering moving abroad, and that kind of intent matters. So, while it may not be an exodus yet, it's certainly a movement, and it speaks volumes about how people are feeling about life in the U.S. right now," he said.

"The American Dream may not be ending—it could simply be relocating."

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