How Long Does It Take to Become a US Citizen?

Quick Answer

Becoming a US citizen takes a minimum of 5 years from the date you receive your green card (3 years if married to a US citizen). Once eligible, the N-400 naturalization application takes 8–14 months to process. The total timeline from first entering the US as an immigrant can range from 5 to 10+ years depending on your immigration pathway.

Citizenship Timeline by Pathway

Pathway	Green Card Wait	Residency Requirement	N-400 Processing	Total
Family-sponsored (immediate relative)	1–2 years	5 years	8–14 months	6–8 years
Family-sponsored (sibling of citizen)	15–23 years	5 years	8–14 months	21–29 years
Employment-based (EB-1)	1–2 years	5 years	8–14 months	6–8 years
Employment-based (EB-2/EB-3)	2–8 years	5 years	8–14 months	7–14 years
Marriage to US citizen	1–2 years	3 years	8–14 months	4–6 years
Diversity Visa (lottery)	1 year	5 years	8–14 months	6–7 years
Asylum/refugee	1–2 years	5 years	8–14 months	6–8 years

Steps to US Citizenship

1. Obtain lawful permanent residence (green card) — Through family, employment, refugee status, or other qualifying category. This is the longest step for most people.
2. Maintain continuous residence — Live in the US for 5 years as a permanent resident (3 years if married to a US citizen). You must be physically present for at least 30 months of the 5-year period.
3. File Form N-400 (Application for Naturalization) — You can file up to 90 days before meeting the residency requirement. Filing fee is $760.
4. Complete biometrics appointment — USCIS schedules fingerprinting within 2–6 weeks of filing. Appointment takes about 30 minutes.
5. Attend the naturalization interview — A USCIS officer tests your English ability and knowledge of US civics (100 questions, must answer 6 of 10 correctly). Interview lasts 15–30 minutes.
6. Receive a decision — Most applicants receive a decision the same day as the interview. Some cases require additional review.
7. Take the Oath of Allegiance — Attend a naturalization ceremony, which may be the same day as the interview or scheduled 2–6 weeks later.

Eligibility Requirements

Requirement	Details
Age	At least 18 years old
Green card	Lawful permanent resident
Continuous residence	5 years (3 if married to US citizen)
Physical presence	At least 30 months in the US during 5-year period
State residence	3 months in the state where you apply
Good moral character	No serious criminal convictions
English proficiency	Read, write, and speak basic English
Civics knowledge	Pass the US civics test
Attachment to Constitution	Willingness to support and defend the Constitution

Costs of Naturalization

Expense	Cost
N-400 filing fee	$760
Biometrics fee	Included in filing fee
Passport (after approval)	$165
Passport photos	$15–$20
Immigration attorney (optional)	$1,500–$3,000
English/civics prep courses (optional)	$0–$500
Total (without attorney)	$940–$945

Fee waivers are available for applicants with household income below 150% of the federal poverty level.

Common Reasons for Delays

• Name or background check issues — Additional security screening can add 3–12 months
• Missing documentation — Incomplete applications are returned, restarting the clock
• Extended travel outside the US — Trips longer than 6 months can reset the continuous residence requirement
• USCIS office backlogs — Some offices have significantly longer processing times

Special Cases

• Military service — Active-duty members can apply after 1 year of service; wartime service allows immediate eligibility
• Children of citizens — May acquire citizenship automatically under the Child Citizenship Act