There is no global cap on how many passports one person can have. The number is set by how many citizenships you hold, because each country of citizenship can issue you its own passport, and by whether any of those countries will also issue you a second book for practical travel reasons. A person with three citizenships can carry three passports. A U.S. citizen with a legitimate travel conflict can carry a fourth. The limit isn’t a universal rule; it’s the citizenship laws of each country you belong to.
One Passport Per Citizenship
Most people who hold multiple passports hold them because they hold multiple citizenships. Citizenship comes through several paths: birth in a country that grants nationality by location, descent from a parent who is a citizen, naturalization after living somewhere long enough to qualify, or marriage to a foreign national whose country extends citizenship to spouses. A smaller group of countries sells citizenship through investment programs in exchange for a substantial financial contribution.
The United States places no restrictions on how many citizenships you can hold. U.S. law does not require you to choose between American citizenship and another nationality, and naturalizing in a foreign country carries no risk to your U.S. citizenship.1U.S. Department of State. Dual Nationality The United Kingdom, Canada, Australia, France, and Germany take the same approach. A child born in the U.S. to a British mother and a Canadian father can hold three passports before their first birthday.
Countries That Refuse to Let You Stack Citizenships
Not every country plays along, and this is where the count can stall or even shrink. China requires complete renunciation of any foreign citizenship. Japan requires citizens to choose a single nationality by age 22. India does not permit dual citizenship at all, though it offers Overseas Citizenship of India status as a partial substitute. Singapore demands proof you’ve relinquished other citizenships before granting naturalization. Saudi Arabia, the United Arab Emirates, Kuwait, and Qatar prohibit dual citizenship, and so do Indonesia and Malaysia.
The consequence matters. If you naturalize in a new country without checking, and your original country forbids dual citizenship, you can lose the passport you started with. Check both sides before you apply.
Getting a Second Passport From the Same Country
Beyond passports from different countries, one government can issue you more than one at the same time. The United States does this in two situations.
A Second U.S. Passport Book
You can apply for a second U.S. passport book if your travel pattern creates a genuine problem with carrying only one. The State Department approves second books for reasons like conflicting entry stamps (an Israeli stamp, for instance, can block entry to some Middle Eastern countries), frequent visa processing that leaves you without a passport when you need to travel, and urgent trips while an embassy is holding your primary passport for a visa application.2U.S. Department of State. Applying for a Second Passport Book
A second book is valid for four years or less, not the standard ten. You have to submit a signed, dated statement explaining why you need one. If you can send in your current full-validity passport, use Form DS-82 by mail. If you can’t part with it, use Form DS-11 in person at a passport acceptance facility.2U.S. Department of State. Applying for a Second Passport Book The application fee is $130, plus a $35 acceptance fee if you apply in person.3U.S. Department of State. Passport Fees Keep the justification straightforward and specific to the recognized scenarios.
Emergency Passports
If your passport is lost or stolen abroad, or you face a life-or-death situation requiring immediate travel, a U.S. embassy or consulate can issue an emergency passport. These are valid for one year or less and exist to get you home.4U.S. Department of State. Replace a Limited Validity Passport Replace it with a full-validity passport once you’re back in the United States.
Which Passport to Use at Which Border
Owning several passports is only useful if you present them correctly. The core rule: when entering a country where you hold citizenship, use that country’s passport. Federal law makes it illegal for a U.S. citizen to enter or leave the United States without a valid U.S. passport.5Office of the Law Revision Counsel. 8 USC 1185 – Travel Control of Citizens and Aliens Other countries enforce similar requirements, and the State Department notes that dual nationals may be required by their other country of nationality to use that country’s passport for entry and exit there as well.1U.S. Department of State. Dual Nationality
Traveling to a third country where you don’t hold citizenship is where choice comes in. One passport might grant visa-free entry while another requires an advance visa. Use whichever smooths the way. Just stay consistent within a trip: enter and exit the same country on the same passport so the immigration records line up.
If you use Global Entry, bring all your passports to your enrollment interview so CBP can add each one to your profile.6U.S. Customs and Border Protection. Global Entry Frequently Asked Questions
What Comes With the Extra Passports
More passports mean more obligations, and some catch people by surprise.
Consular Protection Isn’t Universal
A U.S. passport doesn’t guarantee American consular help everywhere. When you’re in your other country of citizenship, local authorities generally treat you as their own citizen. They may not recognize your U.S. nationality, especially if you entered on the other country’s passport, and U.S. consular officers may be denied access to you entirely.7U.S. Department of State. Dual Nationality
Military Service
Some countries with mandatory military service consider dual citizens eligible for conscription when they visit, no matter where they normally live. Switzerland, South Korea, Israel, and Turkey all maintain some form of mandatory service that can apply to dual nationals. If you carry citizenship in a country with conscription, research your obligations before you go.
Tax and Financial Reporting
The United States taxes citizens on worldwide income regardless of where they live, so a U.S. passport carries a filing obligation even if you haven’t set foot in the country in years.8Internal Revenue Service. U.S. Citizens and Resident Aliens Abroad The foreign earned income exclusion for 2026 is $132,900, and the foreign tax credit can prevent double taxation, but you only get these benefits by filing.9Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026
Foreign accounts trigger their own reporting. If your foreign financial accounts exceed $10,000 in aggregate value at any point during the year, you must file a Report of Foreign Bank and Financial Accounts (FBAR) with FinCEN.10FinCEN.gov. Report Foreign Bank and Financial Accounts IRS Form 8938 applies separately when your foreign financial assets pass its thresholds, which are lower for filers in the U.S. and higher for filers living abroad.11Internal Revenue Service. Do I Need to File Form 8938, Statement of Specified Foreign Financial Assets? Penalties for willful FBAR violations can reach $165,353 per violation or 50% of the unreported account balance, whichever is greater. Treat these filings as non-negotiable.
Security Clearances
If you hold a security clearance or work for a federal contractor that requires one, a foreign passport draws extra scrutiny. Being a dual citizen is not by itself disqualifying under the National Security Adjudicative Guidelines. What creates problems is failing to disclose the foreign passport or using it to enter or leave the United States, which is specifically listed as a potentially disqualifying condition.12Director of National Intelligence. National Security Adjudicative Guidelines You don’t have to destroy the foreign passport. You do have to disclose it and use your U.S. passport at American borders.
Giving a Passport Back
Sometimes an extra passport is more burden than benefit. The United States allows voluntary renunciation, but the process requires appearing in person at a U.S. embassy or consulate abroad and signing an oath. As of April 2026, the State Department fee dropped from $2,350 to $450.
Renunciation doesn’t erase your tax history. The IRS imposes an expatriation tax on “covered expatriates,” defined by three tests: average annual net income tax liability above an inflation-adjusted threshold (roughly $206,000 based on the most recent published figure), net worth of $2 million or more, or failure to certify five years of tax compliance on Form 8854.13Internal Revenue Service. Expatriation Tax If you’re a covered expatriate, the IRS treats most of your assets as if sold at fair market value the day before you renounce, which can generate a large tax bill. Run the numbers before you book the appointment.
Other countries have their own procedures. Some make renunciation slow or difficult, and a few don’t allow it at all or require you to complete military service first. Confirm the process and consequences with that country’s consulate before you commit.