A U.S. citizen needs a passport to depart or enter the United States and to enter and depart most foreign countries. Exceptions include short-term travel between the United States and Mexico, Canada, and some countries in the Caribbean, where a U.S. birth certificate or other proof of U.S. citizenship may be accepted.
Your travel agent or airline can tell you if you need a passport for the country that you plan to visit. The embassy or consulate of the country where you plan to travel can also advise you about its entry requirements.
Please Remember!
Even if you are not required to have a passport to visit a foreign country, U.S. Immigration requires you to prove your U.S. citizenship and identity to reenter the United States. Make certain that you take with you adequate documentation to pass through U.S. Immigration upon your return. A U.S. passport is the best proof of U.S. citizenship.
Other documents to prove U.S. citizenship include an expired U.S. passport, a certified copy of your U.S. birth certificate, a Certificate of Naturalization, a Certificate of Citizenship, or a Report of Birth Abroad of a Citizen of the United States. To prove your...