2008 test · Question 21 of 100
The House of Representatives has how many voting members?
Official USCIS answers
- four hundred thirty-five (435)
Why this is the answer
The U.S. House of Representatives is fixed at 435 voting members by law. This number has stayed the same since 1929, even as the population has grown, because seats are divided among the states by population.
💡 Memory tip: Remember 435: it's the number of seats in the House, set by law since 1929.
This is the 2008 test, for N-400s filed before October 20, 2025. Filed on or after that date? Use the 2025 test.
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Source: USCIS, Civics (History and Government) Questions for the Naturalization Test (rev. 01/19).