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How many amendments does the U.S. Constitution have?

Answer
Twenty-seven (27)
Remember it: The Bill of Rights is the first 10. Seventeen more came later: 27.

Source: U.S. Citizenship and Immigration Services, 2025 civics test. Last reviewed September 5, 2026.

This is question 7 of 128 on the 2025 USCIS civics test, in the section Principles of government. It is one of the 20 questions on the 65/20 version.

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These questions cover the ideas the United States is built on: the Constitution as the supreme law, the Bill of Rights, the rule of law, and why power is divided among three branches. Officers draw from this section often because it has no dates or names to trip over, only concepts.

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Principles of government: read aloud, answered out loud, repeated until solid.

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