How old do citizens have to be to vote for President?

Answers from the USCIS list

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

• eighteen optional: (18) and older

Our explanation

U.S. citizens who are 18 or older can vote for President. This age comes from the 26th Amendment, a change to the Constitution made in 1971. It is the same age for voting for Congress.

Remember it

Turn 18, you can vote. Men also register for Selective Service at 18.

Source

USCIS 2025 Study Guide p. 35. Quote: “Currently, U.S. citizens 18 and older can vote in federal elections.” The p. 35 sidebar matches “citizens 18 and older” to the “26th Amendment (1971).”

• Civics (History and Government) Questions for the Naturalization Test (2008 version), rev. 08/21 (PDF, USCIS)

Last checked on September 29, 2026.

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Easy to mix up with

• 57When must all men register for the Selective Service?
• 48There are four amendments to the Constitution about who can vote. Describe one of them.