N-400 Test: Your Guide to US Citizenship Success
N-400 Application for Naturalization Practice Test 2026 FREE 991+ Questions. Prepare for the exam with instant results &

Starting your journey to US citizenship is exciting and a bit scary. The N-400 test is a big step towards becoming a citizen. This guide will help you understand the process and feel ready for it.
The N-400 test, also called the Application for Naturalization, is very important. It checks if you know about American history, government, and English. Passing this test shows you're serious about becoming a US citizen.
N-400 Practice Test Questions
Prepare for the N-400 - Application for Naturalization exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
N-400 Common Pitfalls
N-400 Exam Questions covering Common Pitfalls. Master N-400 Test concepts for certification prep.
Start FREE TestN-400 Eligibility Requirements
Free N-400 Practice Test featuring Eligibility Requirements. Improve your N-400 Exam score with mock test prep.
Start FREE TestN-400 Processing Time
N-400 Mock Exam on Processing Time. N-400 Study Guide questions to pass on your first try.
Start FREE TestN-400 Required Supporting Documents
N-400 Test Prep for Required Supporting Documents. Practice N-400 Quiz questions and boost your score.
Start FREE TestN-400 Civics Test Preparation
N-400 Questions and Answers on Civics Test Preparation. Free N-400 practice for exam readiness.
Start FREE TestN-400 English Language Requirements
N-400 Mock Test covering English Language Requirements. Online N-400 Test practice with instant feedback.
Start FREE TestN-400 Naturalization Interview Process
Free N-400 Quiz on Naturalization Interview Process. N-400 Exam prep questions with detailed explanations.
Start FREE TestN-400 Oath of Allegiance and Naturalizatio...
N-400 Practice Questions for Oath of Allegiance and Naturalization Ceremony. Build confidence for your N-400 certification exam.
Start FREE TestN-400 Rights and Responsibilities of U.S. ...
N-400 Test Online for Rights and Responsibilities of U.S. Citizens. Free practice with instant results and feedback.
Start FREE TestKey Takeaways
Free N-400 Practice Test Online
- The N-400 test is a key step to US citizenship
- Knowing English and civic knowledge is crucial
- It's important to know the eligibility and application process
- Studying and practicing can improve your chances
- Being confident and determined is key to success
Understanding the N-400 (Application for Naturalization) Test
The naturalization process in the United States follows specific laws and criteria. The N-400, or Application for Naturalization, is a key step. This guide will cover the N-400 test, including eligibility, fees, and needed documents.
Basic Eligibility Requirements for Naturalization
To get U.S. citizenship through naturalization, you must meet certain criteria. The U.S. Citizenship and Immigration Services (USCIS) sets these rules. Some key requirements include:
- Holding a permanent resident (green card) status for a specific period, usually 5 years
- Demonstrating continuous residence and physical presence in the United States
- Passing the English language and civics tests
- Possessing good moral character
- Taking the Oath of Allegiance
Application Fees and Processing Timeline
The N-400 application has a fee, which changes over time. As of 2026, the fee is $725. But, some may qualify for fee waivers or reductions. The USCIS aims to finish the review in 5 to 11 months, on average.
Required Documentation and Forms
Applicants need to submit many documents and forms. These include:
- Completed N-400 form
- Copy of permanent resident card (green card)
- Proof of continuous residence and physical presence in the U.S.
- Documents related to criminal history, if applicable
- Photographs and fingerprints
- Evidence of English language proficiency
- Payment for the application fee
Knowing the requirements and preparing the right documents is vital. By understanding the N-400 test and its criteria, you can start your journey to U.S. citizenship.
Components of the US Citizenship Exam
Becoming a US citizen is a big step. The naturalization process includes a detailed exam. This exam tests your English skills and knowledge of American history and government.

English Language Tests
Applicants must show their English skills through several tests. These include:
- Reading Test: You read a sentence in English aloud to show your fluency and understanding.
- Writing Test: You write a sentence in English to demonstrate your writing ability.
- Speaking Test: You have a conversation with a USCIS officer to check your speaking skills.
Civics Test
Applicants also need to pass a civics exam. This exam tests your knowledge of US government, US history, and American values. The test has 10 questions, and you must answer at least 6 correctly to pass.
The civics test covers many topics. These include the US government's structure, important historical events, and the rights and duties of American citizens. It's important to study well for this part of the exam.
By passing the English language tests and the civics exam, applicants show they are ready to embrace American values. This is a big step towards becoming a proud US citizen.
Preparing for the Naturalization Interview
The naturalization interview is the last step to becoming a U.S. citizen. It's vital to prepare well for this important event. This guide will help you get ready, from learning English to practicing for the interview.

English Language Proficiency Requirements
To become a citizen, you must show you can speak English well. This means you can read, write, speak, and understand it. In the interview, you'll talk with an immigration officer and show your English skills.
Civics Test Study Materials
The civics test checks your knowledge of U.S. history and government. Use the study materials from the U.S. Citizenship and Immigration Services (USCIS) to get ready. These materials cover many topics, like government branches and historical events.
Mock Interview Practice Tips
Practicing for the interview is key to feeling confident. Try mock interviews with friends, family, or an immigration expert. This helps you get used to the questions and how to answer them well.

(N-400) Application for Naturalization Questions and Answers
About the Author
Public Administration Expert & Civil Service Exam Specialist
Harvard Kennedy SchoolDr. Margaret Chen holds a PhD in Public Administration and an MPA from Harvard Kennedy School. With 17 years of federal and state government experience and 8 years of civil service exam preparation coaching, she specializes in helping candidates navigate postal service exams, USPS assessments, government employment tests, and public sector civil service examinations.