Study library

Study guides and tips

Practical advice for passing the US citizenship test, from study plans to interview prep.

interview prep

What to Expect at Your N-400 Citizenship Interview

A step-by-step guide to the US citizenship interview. Learn what to bring, how the interview works, what questions to expect, and the three possible outcomes.

14 min read
test comparison

2008 vs 2025 Civics Test: Key Differences Explained

Compare the 2008 and 2025 US citizenship civics tests side by side. Learn which version you'll take, what changed, and how to prepare for the right test.

11 min read
study guide

How to Prepare for the US Citizenship Test in 2026

Study guide for the US citizenship test in 2026: find out whether you take the 2008 or 2025 civics test, build a study plan, and pass on your first try.

14 min read
test prep

Can You Take the US Citizenship Test in Spanish? (2026)

Most applicants must answer in English. You can take the civics test in Spanish only under the 50/20 or 55/15 exemption — here is who qualifies and what changes.

8 min read
test prep

Citizenship English Test: Reading and Writing Explained

The naturalization English test has three parts: read 1 of up to 3 sentences aloud, write 1 of up to 3, and speak during the interview. Here is how it is scored.

9 min read
interview prep

N-400 Interview Vocabulary: Words the Officer Will Use

The officer uses legal words that appear on no civics list — affirm, continuance, renounce, good moral character. Here is what each one means in plain English.

9 min read
study guide

Citizenship Test for Seniors: Guide to the 65/20 Exception

If you were 65 or older with 20 years as a permanent resident when you filed Form N-400, you study only 20 civics questions. See both official designated lists.

14 min read
study guide

10 Hardest US Citizenship Test Questions and Answers

These 10 questions trip up the most applicants on the US citizenship test. See each question with the correct answer and a memory tip to help you pass.

9 min read
test preparation

What Happens If You Fail the US Citizenship Test? (2026)

If you fail the US citizenship test, USCIS schedules one retake 60 to 90 days after your interview. Learn the retake rules, denial options, fees, and appeals.

8 min read

Study on your phone between guides

The free app carries every official question — all 128 on the 2025 civics test and all 100 on the 2008 test — with audio narration, six study languages, and progress tracking that remembers what you keep missing. Or take the free citizenship practice test in your browser first.

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