How Long to Become a US Citizen in 2026? With Advice From Immigration Lawyers

Who Qualifies Under the Five-Year Rule?

The five-year permanent residence rule is a big part of naturalization in the US. It ensures that applicants have established an integrated presence in the country.

Generally, you must have been a lawful permanent green card holder for at least five years before the date you file your application (Form N-400).

Continuous Residence: How Travel Can Affect Your Eligibility

To meet the continuous residence requirement, you must maintain your principal residence in the United States throughout the required five-year period, or three-year period if applying under the qualifying marriage provision.

An absence of more than six months but less than one year is generally presumed to interrupt continuous residence unless you provide evidence to overcome that presumption. An absence of one year or more normally breaks continuous residence unless an applicable exception, such as an approved Form N-470, applies.

A break in continuous residence for naturalisation purposes does not automatically mean your Green Card status has been revoked. USCIS considers abandonment of permanent residence separately.

Physical Presence and Other Naturalisation Requirements

Physical presence is different from continuous residence. Most applicants must have been physically present in the United States for at least 30 months (913 days) during the five-year qualifying period. Applicants applying under the qualifying marriage provision generally need 18 months (548 days) during the three-year period.

You must also have lived in the state or USCIS district where you are applying for at least three months before filing, meet the good moral character requirement and satisfy the applicable English and civics requirements unless exempt.

Keep your tax and residence records accurate and be prepared to provide supporting evidence where required.

How the 90-Day Early Filing Rule Works 

When you apply for U.S. Citizenship there is a rule that allows you to submit your N 400 application form up to 90 days before completing the continuous residence period.

Starting the process ahead of time allows the United States Citizenship and Immigration Services (USCIS) to review and handle your case more efficiently.

The 90-day early filing rule allows eligible applicants to submit Form N-400 before completing the required continuous residence period, but it does not guarantee faster processing or approval.

However, it is not without risks, these can include:

• If you apply too early (before 90 days), your application will be rejected, and you’ll need to wait and resubmit, potentially delaying the process.
• You do not lose your eligibility by applying after the five-year date. You can generally apply once you meet the residence requirement and all other eligibility conditions.

How to Calculate Your Earliest N-400 Filing Date

1. Identify your 5-year residency date on your Permanent Resident Card.
2. Subtract 90 days from that date to determine the earliest filing date.

For example, if your green card date is July 4, 2019, the earliest date that you could apply under the 90-day rule would be April 5, 2024.

Who Qualifies for the Three-Year Naturalisation Rule?

You may qualify to apply for US citizenship after three years as a lawful permanent resident if you have been living in marital union with the same US citizen spouse for the required three-year period. Your spouse must have been a US citizen throughout that period, and you must remain married through naturalisation.

You must also meet the applicable continuous residence, physical presence and other eligibility requirements. The physical presence requirement for this route is generally 18 months within three years.

The main requirements include:

• You must have continuously resided in the U.S. for at least three years.
• You must demonstrate good moral character.
• You may also need to pass the English and Civic tests.
• Your marriage must be valid for at least three years.

Documents to Prove Eligibility Through Marriage

• Provide a valid marriage certificate and evidence of cohabitation, such as joint tax returns, utility bills, or lease agreements.
• Provide official documents like pay stubs, bank statements, or travel records.
• Provide police clearance certificates or letters of reference.

When Does the Naturalisation Residence Period Start for Refugees?

If you are a refugee in the United States and a valid green card holder, part of your time spent in the country as a refugee can be counted as if you were a permanent resident.

The rule is provided by the Immigration and Nationality Act. It takes into account the time spent as a refugee to enable you to apply for U.S citizenship or permanent residency status.

Documents for Refugee-Based Naturalisation

To be eligible, your green card must have been obtained based on your refugee status.

You must also meet all other requirements, such as:

• Continuous residency after receiving the green card
• Show good moral character in the US
• Pass the English and civics tests.

To prove it applies to your case, you must provide documentation proving your refugee status in the U.S. You must also demonstrate your continuous residency after receiving your green card, such as submitting tax returns, utility bills, or employment records in your name.

Common Reasons for N-400 Delays

Beyond the basic requirements to apply for citizenship, there are other factors that can trigger additional vetting by United States authorities.

Such as your criminal history, if you have committed a crime in the past that is considered serious by the US government. It can delay your visa application and may even lead to denial.

Other possible reasons for delay can include:

• If you have experienced past immigration violations.
• Unpaid taxes or outstanding debts to the US government.
• Complex marital history, especially involving international marriages or divorces.

How Evidence Requests and Background Checks Affect Processing

• If your application triggers a Request for Evidence (RFE), you may need to submit additional documents to address any concerns they have.
• In some cases, additional background checks may need to happen. This can take more time, especially if USCIS needs to verify information from foreign sources.

For example, if you have a DUI conviction, you might be required to submit proof of rehabilitation before your application is considered. Likewise, if you have overstayed your visa, you might need to provide additional documentation explaining your reasons why.

If you require help with obtaining US citizenship, consulting with an immigration attorney can help you better navigate the process. Contact the Immigration Advice Service at +1 844 290 6312 or message us online to discuss how to become a US citizen.

The Steps From N-400 Filing to the Oath Ceremony

Becoming a U.S. citizen with a valid green card involves several complex yet essential steps. First, you need to ensure that you meet the requirements for eligibility.

You will then need to:

1. Submit Form N-400 for Naturalization. Along with any documents and pay the filing fee. Generally, you can file up to 90 days before completing the residency period.
2. Attend a biometrics appointment for a fingerprinting and photograph session.
3. You will then need to prepare for an interview with a USCIS officer to discuss your application and demonstrate your understanding of U.S. history.
4. Then wait for a decision. If approved, you need to participate in a formal ceremony where you take the Oath of Allegiance before becoming a citizen.

How Long Does Form N-400 Take to Process in 2026?

After filing Form N-400, typically, it takes about 14-24 months to become a legal citizen of the United States. It can vary depending on your location and the workload at the USCIS. Once approved, the Oath ceremony is usually scheduled within a few weeks.

How to Check Your USCIS N-400 Processing Time

You can check the processing times for citizenship applications through your USCIS account. You will need the login details you used to create the account, such as an email and password.

After logging in, you can check the estimated processing times based on your filing date and location. Alternatively, visit the USCIS processing times webpage. Here you can filter by form type, field office location, and action, giving you a general idea of current wait times.

How Often Should You Check Processing Times?

Waiting for an update on your application status is undoubtedly nerve-wracking. But, checking too frequently may lead to unnecessary stress.

Processing timeframes tend to change quite often, so it is advisable to check regularly for updates, especially if your case is approaching the estimated timeframe. You can also set up regular reminders to keep track of any updates regarding your application.

Can You Request Expedited Processing of Form N-400?

The USCIS offers expedited processing for certain situations. However, due to the stringent requirements and limited situations, the success rate for being granted it is very low.

To request the service, call the USCIS at 1-800-375-5283. 

Be prepared to explain your reasons clearly and concisely.

Acceptable scenarios typically involve:

• Extreme situations like immediate threats to your personal safety.
• Medical emergencies affecting you or your immediate family members.

Also highlight any humanitarian or emergency factors that may be involved. You may need to gather supporting documentation to substantiate your claims.

US Citizenship Application Fees in 2026

The Form N-400 filing fee is $710 when filed online or $760 when filed by paper. Eligible applicants may qualify for a reduced fee or fee waiver.

Payment can be made through the USCIS website using either a U.S. bank account or credit card. It is also possible to submit a money order or personal check.