Who Is Exempt From Taking the Citizenship Test?

Three groups of naturalization applicants are exempt from taking the citizenship test in whole or in part: long-term permanent residents who are 50 or older, long-term permanent residents who are 55 or older, and applicants with a qualifying medical disability. A fourth group, applicants who are 65 or older with 20 years as a permanent resident, takes a shortened version of the civics test in their native language. Every exemption is written into federal law and applies once you meet the criteria, though the medical route requires a doctor’s certification.¹

Which part of the test you skip depends on which exemption you use. Some waive only the English portion, one shortens the civics questions, and one can waive the whole thing.

Age and Long-Term Residency: The 50/20 and 55/15 Rules

Two age-and-residency thresholds waive the English language requirement:

50/20 rule: You are 50 or older when you file Form N-400 and have lived in the United States as a lawful permanent resident for at least 20 total years.
55/15 rule: You are 55 or older when you file and have lived in the U.S. as a lawful permanent resident for at least 15 total years.

Both rules waive the English reading, writing, and speaking test. They do not waive civics. You still answer civics questions, but you can do so in your native language and bring an interpreter to the interview.²

The 65/20 Rule and the Simplified Civics Test

Applicants who are 65 or older and have been permanent residents for at least 20 years get the English waiver plus a shorter civics test. Instead of preparing all 128 civics questions in the current bank, you study 20 designated questions. The officer asks 10 of them, and you need 6 correct to pass. You can take this simplified test in your native language.³

How USCIS Counts Your Years as a Permanent Resident

The 15-year and 20-year periods do not have to be continuous. USCIS totals your time living in the U.S. as a lawful permanent resident. Time abroad and time before you received your green card do not count. Your age and your accumulated residency both must meet the threshold on the date you file Form N-400, not the date of your interview.⁴

Medical Disability Exemption

The medical disability exemption is the only one that can waive both the English and civics portions entirely. You qualify if you have a physical, developmental, or mental impairment that prevents you from learning or demonstrating the required knowledge, and that condition has lasted or is expected to last at least 12 months.¹

You claim the exemption by filing Form N-648, Medical Certification for Disability Exceptions, along with your N-400. Only three types of licensed professionals can complete the form: medical doctors (MDs), doctors of osteopathy (DOs), and clinical psychologists. The professional must hold a license in a U.S. state or territory.⁵

The certifying professional needs to give a clear diagnosis and explain the specific connection between your condition and your inability to learn or demonstrate the material. USCIS calls this the nexus. A diagnosis on its own is not enough; the doctor has to spell out why your particular condition prevents you from meeting the particular requirement you want waived.⁵

Why N-648 Forms Get Rejected

Officers find N-648 forms insufficient more often than applicants expect. The common problems:

The form states a diagnosis but never explains how that condition prevents the applicant from learning or demonstrating the required knowledge.
The applicant was not actually examined by the certifying professional, or someone outside the three authorized categories signed the form.
Other documents in the immigration file, such as a prior Form I-693 medical exam, contradict the claimed condition.
Statements the applicant makes at the interview conflict with the disability described on the form.
Required attestations are missing, including that the condition has lasted or will last at least 12 months and that it is not caused by illegal drug use.

Submitting multiple N-648s with conflicting diagnoses, or using an interpreter during the medical exam who is suspected of immigration fraud, can also trigger rejection.⁵

What Happens If USCIS Finds Your N-648 Insufficient

The interview does not end. USCIS proceeds as though no N-648 was filed and gives you the chance to take the English and civics tests then and there. If you fail, you get a second attempt scheduled 60 to 90 days later. Only after failing both attempts does USCIS deny the application on educational grounds.⁵

When the officer issues a request for evidence on an insufficient N-648, the re-examination is usually scheduled at the same time. You can submit a corrected or new N-648 with your response, but preparing to take the test as a backup is sensible.

Bringing an Interpreter If Your English Is Waived

If you qualify for an age and residency exemption and take the civics test in your native language, you are responsible for bringing your own interpreter to the interview. USCIS does not supply one. Your interpreter must be fluent in both English and your native language.²

If USCIS finds your interpreter unqualified or suspects the interpreter of involvement in immigration fraud, the agency can disqualify them. In naturalization cases, USCIS must then provide a replacement interpreter in a timely manner rather than canceling the interview.

What Does Not Count as an Exemption

Military service is not an exemption from the test. Active-duty service members and veterans naturalizing under INA sections 328 and 329 still have to pass both English and civics. Military naturalization waives other requirements, such as continuous residence and physical presence, but not the educational requirement.⁶ A service member who happens to meet the age and residency thresholds, or who has a qualifying medical condition, can still use those exemptions like any other applicant.

Disability accommodations are also not the same as an exemption. If you have a disability that makes standard testing hard but does not prevent you from demonstrating the knowledge, USCIS adjusts how the test is given rather than waiving it. Available accommodations include extended time and breaks, a sign language interpreter provided by USCIS at no cost, large print or braille versions of the reading test, oral spelling in place of the writing test for applicants with hand impairments, and off-site interviews at a home, hospital, nursing home, or senior center when reaching a field office is not feasible. You can request accommodations without filing an N-648.⁷

Whichever exemption applies, every applicant still attends an in-person interview. The officer reviews your full application, evaluates any N-648 you filed, and decides whether you meet the other requirements for naturalization beyond the test.⁸

1
Office of the Law Revision Counsel. 8 USC 1423 – Requirements as to Understanding the English Language, History, Principles and Form of Government of the United States
2
U.S. Citizenship and Immigration Services. Exceptions and Accommodations
3
USCIS. 128 Civics Questions and Answers (2025 Version)
4
USCIS. A Guide to Naturalization (Chapter 4)
5
U.S. Citizenship and Immigration Services. Chapter 3 – Medical Disability Exception (Form N-648)
6
U.S. Citizenship and Immigration Services. Naturalization Through Military Service
7
U.S. Citizenship and Immigration Services. Chapter 3 – Types of Accommodations
8
U.S. Citizenship and Immigration Services (USCIS). Instructions for Form N-648, Medical Certification for Disability Exceptions