This is a complete full list of all the ratified and unratified amendments to the United States Constitution which have received the approval of the Congress. The procedure for amending the Constitution is governed by Article V of the original text. There have been many other proposals for amendments to the United States Constitution introduced in Congress, but not submitted to the states.
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Unratified proposed amendments

Before an amendment can take effect, it must be proposed to the states by a two-thirds vote of both houses of Congress, and ratified by three-quarters of the states. Six amendments proposed by Congress have failed to be ratified by the appropriate number of states' legislatures. Four of these amendments are still technically pending before state lawmakers—the other two have expired by their own terms.

See also

• List of unsuccessful attempts to amend the U.S. Constitution

• Conventions within the states to ratify an amendment to U.S. Constitution

• Convention to propose amendment to U.S. Constitution