Application for Naturalization & U.S. Citizenship (Form N-400)

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How much does it cost to become a U.S. citizen?

Currently it costs $725 to become a U.S. citizen through the naturalization process (for most applicants). There are various ways to pay for the N-400 filing fee and even a fee waiver for certain individuals that qualify.
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What are the benefits of U.S. citizenship?

The Constitution and laws of the United States give many rights to both citizens and non-citizens living in the United States. However, some rights are only for U.S. citizens.
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Am I eligible to become a U.S. citizen?

Many lawful permanent residents are eligible to become a U.S. citizen and don’t even realize it. In fact, an estimated seven million green card holders are eligible right now.
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My parent is a U.S. citizen. Am I also U.S. citizen?

In most cases you are a U.S. citizen if your parent became a U.S. citizen (or was already a citizen) before your 18th birthday. But immigration laws have changed over the years. Before filing Form N-400, Application for Naturalization, determine if you are already a U.S. citizen.
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How do I list time outside the United States on Form N-400?

Form N-400 requires applicants to list each trip that was made outside the United States over the previous five years. Itemizing this "time outside the United States" can be a challenging task for applicants with numerous trips abroad.
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How do I list frequent trips outside the U.S. on Form N-400?

Some permanent residents live close to a U.S. border and have family or business purposes for routine trips across the border. These regular and frequent trips outside the U.S. may be impossible to list individually for the purposes of preparing Form N-400, Application for Naturalization.
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Do you have a sample cover letter to submit with Form N-400?

CitizenPath has created a sample cover letter to help you file Form N-400, Application for Naturalization. It's not required, but an N-400 cover letter can help clarify unusual circumstances or itemize the supporting documents for your case.
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Where can I find my Alien Registration Number?

Also known as an A-Number, your Alien Registration Number is an 8 or 9 digit number that can be found on a variety of documents from U.S. Citizenship and Immigration Services (USCIS) or the former INS.
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Can I travel outside the U.S. after filing Form N-400?

There are no restrictions on travel just because you’ve submitted Form N-400, Application for Naturalization. You may travel outside the U.S. after filing Form N-400, but there ways that travel can affect you and your application.
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