N400 Ready — free U.S. citizenship test practice in English and Vietnamese
N400 Ready is a free app from Manna One Solution that helps you prepare for your U.S. naturalization interview (Form N-400). Practice the 128 questions of the 2025 civics test, speaking, writing and full mock interviews, in English and Vietnamese, on your phone or computer.
What you can practice
Civics questions
All 128 questions of the 2025 test, with Vietnamese translations, audio, flashcards and review of missed questions.
Speaking
The N-400 yes/no questions and the “What does … mean?” questions officers often ask.
Writing
Listen to an English sentence and write it down, like the writing test.
Answer out loud
Say your answer and get graded right away, as you would with a USCIS officer.
Mock tests
Practice tests for civics, writing, speaking, or the full interview.
Answers for where you live
Four of the 128 questions depend on where you live: your U.S. senators (question 23), your representative (29), your governor (61) and your state capital (62). Enter your address and N400 Ready fills in the answers for your state and congressional district.
Choose your state
See the answers to questions 23, 29, 61 and 62 for where you live.
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
- American Samoa
- District of Columbia
- Guam
- Northern Mariana Islands
- Puerto Rico
- Virgin Islands
2025 or 2008 test? Over 65?
Applicants who file Form N-400 on or after October 20, 2025 take the 2025 test with 128 questions; earlier filings take the 2008 test. USCIS: the naturalization interview and test
Age 65 or older with a green card for 20 years or more? You may be able to take the civics test in your own language with a shorter question set. USCIS: exceptions and accommodations
The full list of 128 questions
Read all 128 questions with the official USCIS answers. USCIS 2025 civics test questions (PDF)
Frequently asked questions
Is N400 Ready really free?
Yes. You create an account and use every practice section without paying.
My English is not strong. Can I still use it?
Yes. Every question has a Vietnamese translation and English audio to listen to. You can switch the app between English and Vietnamese at any time.
Does it work on a phone?
Yes. N400 Ready runs in the browser on phones and computers, with nothing to install.
Where do the state answers come from?
From the lists of current senators, representatives and governors, with the date they were checked. Answer with whoever holds the office on your interview day; if anything differs, uscis.gov/citizenship/testupdates is the standard.
Is N400 Ready made by USCIS?
No. N400 Ready is made by Manna One Solution and is not affiliated with USCIS or the U.S. government.
Does N400 Ready give legal advice?
No. Manna One Solution is not a law firm and does not give legal advice. For questions about your own case, ask a licensed immigration attorney.
Manna One Solution is not a law firm and does not give legal advice. N400 Ready is not affiliated with USCIS or the U.S. government. The official question list on uscis.gov is the standard.