Countries Where US Citizens Can Legally Hold Dual Citizenship

Dual citizenship is becoming more popular among Americans looking for global mobility, investment flexibility, and stronger travel rights. The United States allows its citizens to hold multiple nationalities, and many countries openly permit dual citizenship with the U.S., making the process straightforward.

Countries That Allow Dual Citizenship With the United States

1. Most European Union Countries

Many EU nations allow Americans to hold dual citizenship, including:

• Greece

• Italy

• Ireland

• Portugal

• Spain (under specific ancestry rules)

• France

• Germany (under expanded rules from 2024)

These are some of the most sought-after due to the EU mobility benefits.

2. Countries in the Americas

Most nations in the Western Hemisphere permit dual citizenship:

• Canada

• Mexico

• Brazil

• Argentina

• Colombia
  These countries often allow ancestry-based citizenship as well.

3. Countries in Oceania

• Australia

• New Zealand
  Both allow dual citizenship and are common choices for Americans relocating abroad.

4. Middle Eastern & Asian Countries (Selective)

Some nations allow U.S. citizens to hold dual nationality:

• Israel

• Philippines

• South Korea (limited categories)

However, most Asian and Gulf nations do not support dual nationality.

What the US Requires

The US does not require:

• Renouncing American citizenship,

• Declaring dual citizenship to the government,

• Taking any additional steps after acquiring a new nationality.

Americans simply must continue using their U.S. passport for entering and leaving the United States.

Final Thoughts

With dual citizenship widely accepted across Europe and the Americas, U.S. citizens have more global options than ever.

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