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SESK: Stuff Everyone Should Know · sesk.info/civics-sixteenth-amendment

Which amendment to the Constitution allows the federal income tax?

The 16th Amendment.

  1. 16th Amendment ✔
  2. 14th Amendment
  3. 18th Amendment

Why: USCIS says paying federal taxes is required by the Constitution through the 16th Amendment. Taxes fund the federal government. The 14th covers citizenship and the 18th was Prohibition.

Huh, didn't know that: The 16th Amendment was ratified in 1913.

The dad joke
Why did the calculator love tax season? It finally got to count on someone.
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Sources

  1. USCIS M-1778, 128 Civics Questions and Answers (2025 version) https://www.uscis.gov/sites/default/files/document/questions-and-answers/2025-Civics-Test-128-Questions-and-Answers.pdf

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