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Fact check: Was the 16th amendment ratified

Checked on July 27, 2025

1. Summary of the results

Yes, the 16th Amendment was definitively ratified. Multiple sources confirm that the 16th Amendment was ratified on February 3, 1913, after being passed by Congress on July 2, 1909 [1]. The amendment grants Congress the authority to impose a federal income tax without apportioning it among the states based on population [2] [3]. Wyoming became the final state needed to achieve the required three-fourths majority for ratification [4].

The amendment's text and legitimacy have been consistently upheld by courts, and it remains a fundamental part of the U.S. Constitution's tax framework [5]. The Supreme Court continues to hear cases related to the interpretation and application of this amendment, further confirming its established legal status [6].

2. Missing context/alternative viewpoints

The original question lacks important historical context about the significant controversy surrounding the 16th Amendment's ratification process. There have been persistent claims of procedural irregularities and alleged violations of constitutional requirements during the ratification process [3]. Some critics have alleged fraud in the ratification process, leading to arguments that "The Law That Never Was" - suggesting the amendment was never properly ratified [5].

However, these challenges have been consistently rejected by courts, which have upheld the amendment's legitimacy [5]. The controversy represents an ongoing debate between:

  • Tax reform advocates and constitutional originalists who benefit from questioning the amendment's legitimacy to challenge federal income tax authority
  • Federal government institutions and tax collection agencies who benefit from maintaining the established legal framework that enables income tax collection

3. Potential misinformation/bias in the original statement

The original question itself is neutral and factual, simply asking about the ratification status. However, the question may reflect exposure to anti-tax movement narratives that promote the false claim that the 16th Amendment was never properly ratified [5].

These narratives often circulate among groups seeking to delegitimize federal income tax collection, despite the fact that courts have repeatedly confirmed the amendment's validity. The persistence of these claims represents a form of constitutional misinformation that contradicts established legal precedent and historical fact.

The question's simplicity masks the complex legal and political debates that have surrounded this amendment for over a century, potentially reflecting influence from sources that promote debunked theories about the amendment's legitimacy.

Want to dive deeper?
What is the significance of the 16th amendment in US history?
How did the 16th amendment change the US tax system?
Which states were the first to ratify the 16th amendment?
What were the main arguments for and against the 16th amendment during its ratification?
How has the 16th amendment been interpreted by the US Supreme Court over time?