List of amendments to the United States Constitution

This is a complete list of all the ratified and unratified amendments to the United States Constitution which have received the approval of the United States Congress. Twenty-seven amendments have been ratified since the original signing of the Constitution, the first ten of which are known collectively as the Bill of Rights. 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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Amendments
Proposal date Enactment date Full text
1st
Protects the freedom of religion, speech, and the press, as well as the right to assemble and petition the government
September 25, 1789 December 15, 1791 Full text
2nd September 25, 1789 December 15, 1791 Full text
3rd
Prohibits the forced quartering of soldiers
September 25, 1789 December 15, 1791 Full text
4th
Prohibits unreasonable searches and seizures and sets out requirements for search warrants based on probable cause
September 25, 1789 December 15, 1791 Full text
5th Sets out rules for indictment by grand jury and eminent domain, protects the right to due process, and prohibits self-incrimination and double jeopardy September 25, 1789 December 15, 1791 Full text
6th
Protects the right to a fair and speedy public trial by jury, including the rights to be notified of the accusations, to confront the accuser, to obtain witnesses and to retain counsel
September 25, 1789 December 15, 1791 Full text
7th September 25, 1789 December 15, 1791 Full text
8th September 25, 1789 December 15, 1791 Full text
9th September 25, 1789 December 15, 1791 Full text
10th September 25, 1789 December 15, 1791 Full text
11th
Immunity of states from suits from out-of-state citizens and foreigners not living within the state borders. Lays the foundation for sovereign immunity
March 4, 1794 February 7, 1795 Full text
12th
Revises presidential election procedures
December 9, 1803 June 15, 1804 Full text
13th
Abolishes slavery and involuntary servitude, except as punishment for a crime
January 31, 1865 December 6, 1865 Full text
14th
Defines citizenship and deals with post–Civil War issues
June 13, 1866 July 9, 1868 Full text
15th
Prohibits the denial of suffrage based on race, color, or previous condition of servitude
February 26, 1869 February 3, 1870 Full text
16th
Allows the federal government to collect income tax
July 12, 1909 February 3, 1913 Full text
17th
Allows senators to be directly elected
May 13, 1912 April 8, 1913 Full text
18th December 18, 1917 January 16, 1919 Full text
19th
Allows for women's suffrage
June 4, 1919 August 18, 1920 Full text
20th
Fixes the dates of term commencements for Congress (January 3) and the President (January 20); known as the "lame duck amendment"
March 2, 1932 January 23, 1933 Full text
21st February 20, 1933 December 5, 1933 Full text
22nd
Limits the president to two terms, or a maximum of 10 years (i.e., if a Vice President serves not more than one half of a President's term, he can be elected to a further two terms)
March 24, 1947 February 27, 1951 Full text
23rd
Provides for representation of Washington, D.C. in the Electoral College
June 16, 1960 March 29, 1961 Full text
24th
Prohibits the revocation of voting rights due to the non-payment of poll taxes
September 14, 1962 January 23, 1964 Full text
25th
Codifies the Tyler Precedent; defines the process of presidential succession
July 6, 1965 February 10, 1967 Full text
26th
Establishes 18 as the national voting age
March 23, 1971 July 1, 1971 Full text
27th
Prevents laws affecting Congressional salary from taking effect until the beginning of the next session of Congress
September 25, 1789 May 7, 1992 Full text