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

Answers from the USCIS list

Give this answer. Words in light (parentheses) are optional.

• Twenty-seven optional: (27)

Our explanation

An amendment is a change to the Constitution. The Constitution was written in 1787. Since then, 27 amendments have been added. The first 10 are called the Bill of Rights.

Remember it

10 in the Bill of Rights + 17 more = 27 amendments.

Source

USCIS 2025 Study Guide p. 8: "A change to the Constitution is called an amendment. There are 27 amendments to the Constitution." p. 16: first 10 amendments are the Bill of Rights.

• 128 Civics Questions and Answers (2025 version), M-1778 (09/25) (PDF, USCIS)

Last checked on September 29, 2026.

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