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The Global Insight

How does dual citizenship work in the US and Canada?

Author

Robert Miller

Updated on March 07, 2026

Under the right circumstances, you are allowed to become a citizen of both Canada and the United States, simultaneously. Many people enjoy the benefits of dual citizenship, allowing them to to travel back and forth freely, vote, and otherwise take advantage of the rights of citizens in both countries.

Can a dual citizen be denied entry?

On this page. If you are a dual citizen and travel to the other country where you hold citizenship, local authorities could refuse to give you access to Canadian consular services. All Canadian travellers must obey the laws of the country they are visiting.

Does us care about dual citizenship?

U.S. law does not mention dual nationality or require a person to choose one nationality or another. A U.S. citizen may naturalize in a foreign state without any risk to his or her U.S. citizenship. Dual nationals owe allegiance to both the United States and the foreign country.

Can I enter a country with one passport and exit with another?

Can I Enter a Country With One Passport and Exit With Another? In most cases, travelers should show the same passport that they used to enter the country when they depart. However, most countries require the passport to be shown at border control when departing and will either stamp or scan the document.

Can I live in the US as a Canadian citizen?

The green card allows a Canadian to live, work and reside full-time in the United States. Canadians are eligible for green cards through one of the four methods: Marriage Green Card for Canadians.

Does Canada allow for dual citizenship?

Canadian law allows you to hold two or more citizenships. This means that you do not have to give up your citizenship in order to become Canadian. Some other countries, however, will take away your citizenship if you become Canadian.

How to become a dual citizen of the US and Canada?

Here are the requirements for Canadian-American Dual Citizenship. Both the United States and Canada follow the Anglo Law system. Thus, the following are the primary ways to gain citizenship in these countries: 1) birth in the nation, 2) marriage or 3) naturalization. For normal citizenship, most people were both born and reside in the same country.

Is it legal to have more than one citizenship in Canada?

Dual (or multiple) citizenship or nationality means that you are a citizen of more than one country. Dual or multiple citizenship is legal in Canada. However, it may not be legal in the other country or countries where you hold citizenship.

Do you have to renounce your US citizenship if you have dual citizenship?

If you have dual citizenship from birth or have become a citizen of another country, even after having U.S. citizenship, then U.S. law, even going back to the Constitution, offers you the right to keep both citizenships for life. This assumes that the second country has no law requiring you to renounce a previous citizenship.

Are there any other countries that allow dual citizenship?

Countries that Allow Dual Citizenship (or Don’t) Country of Birth More Information Mexico Mexican citizens who naturalize in the U Philippines Filipino citizens who naturalize in the United Kingdom British citizens who naturalize in the U Vietnam Vietnamese citizens who naturalize in th