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Constitutional Amendments Explorer

Explore all 27 amendments to the US Constitution in plain language. Browse the Bill of Rights by category, then quiz yourself on which amendment protects each right.

Showing 27 of 27 amendments.

1

1st Amendment

Ratified 1791

Bill of Rights

Freedom of religion, speech, press, assembly, and petition

Protects five freedoms. The government cannot establish an official religion or stop you from practicing your faith, and it cannot silence your speech, censor the press, ban peaceful gatherings, or stop people from petitioning the government.

Rights & Freedoms
2

2nd Amendment

Ratified 1791

Bill of Rights

Right to keep and bear arms

Protects the right of the people to keep and bear arms, connected in its text to the need for a well regulated militia.

Rights & Freedoms
3

3rd Amendment

Ratified 1791

Bill of Rights

No forced quartering of soldiers

The government cannot force you to house soldiers in your home during peacetime without your consent.

Rights & Freedoms
4

4th Amendment

Ratified 1791

Bill of Rights

Protection from unreasonable searches and seizures

Protects against unreasonable searches and seizures. Police generally need a warrant supported by probable cause before searching your home or belongings.

Criminal Justice
5

5th Amendment

Ratified 1791

Bill of Rights

Due process, no self-incrimination, no double jeopardy

Guarantees due process of law. You cannot be tried twice for the same crime, you cannot be forced to testify against yourself, and the government cannot take private property without fair payment.

Criminal Justice
6

6th Amendment

Ratified 1791

Bill of Rights

Right to a speedy and public trial

Guarantees the rights of people accused of crimes, including a speedy and public trial by an impartial jury, the right to a lawyer, and the right to confront witnesses.

Criminal Justice
7

7th Amendment

Ratified 1791

Bill of Rights

Right to a jury trial in civil cases

Guarantees the right to a trial by jury in many civil cases, the kind of lawsuits that are about money or property rather than crimes.

Criminal Justice
8

8th Amendment

Ratified 1791

Bill of Rights

No excessive bail or cruel and unusual punishment

Bans excessive bail, excessive fines, and cruel and unusual punishment for people convicted of crimes.

Criminal Justice
9

9th Amendment

Ratified 1791

Bill of Rights

Rights not listed are still protected

Just because a right is not specifically listed in the Constitution does not mean people do not have it. The people keep other rights too.

Rights & Freedoms
10

10th Amendment

Ratified 1791

Bill of Rights

Powers not given to the federal government go to the states

Any powers that the Constitution does not give to the federal government, and does not forbid to the states, are reserved for the states or the people.

Government Structure
11

11th Amendment

Ratified 1795

Limits lawsuits against states in federal court

Limits when a state can be sued in federal court by citizens of another state or of a foreign country.

Government Structure
12

12th Amendment

Ratified 1804

Separate electoral votes for president and vice president

Changed how the Electoral College works so that electors cast separate votes for president and for vice president.

Voting & Elections
13

13th Amendment

Ratified 1865

Abolished slavery

Abolished slavery and involuntary servitude throughout the United States, except as punishment for a crime.

Slavery & Equality
14

14th Amendment

Ratified 1868

Citizenship and equal protection under the law

Grants citizenship to all people born or naturalized in the United States and guarantees equal protection of the laws and due process for everyone.

Slavery & Equality
15

15th Amendment

Ratified 1870

Right to vote cannot be denied based on race

The right to vote cannot be denied based on race, color, or previous condition of servitude.

Voting & Elections
16

16th Amendment

Ratified 1913

Allows a federal income tax

Gives Congress the power to collect an income tax on what people earn.

Government Structure
17

17th Amendment

Ratified 1913

Direct election of US senators

Senators are now elected directly by the people of each state, rather than being chosen by state legislatures.

Government Structure
18

18th Amendment

Ratified 1919

Banned alcohol (Prohibition)

Banned the making, selling, and transporting of alcoholic beverages across the United States. This period is known as Prohibition.

Prohibition Era
19

19th Amendment

Ratified 1920

Women's right to vote

The right to vote cannot be denied based on sex. This gave women the constitutional right to vote.

Voting & Elections
20

20th Amendment

Ratified 1933

Sets start dates for presidential and congressional terms

Sets the dates when the terms of the president, vice president, and members of Congress begin and end, shortening the lame-duck period.

Government Structure
21

21st Amendment

Ratified 1933

Repealed Prohibition

Repealed the 18th Amendment, ending Prohibition and making alcohol legal again. It is the only amendment that cancels an earlier one.

Prohibition Era
22

22nd Amendment

Ratified 1951

Limits the president to two terms

Limits a president to being elected to office no more than two times.

Government Structure
23

23rd Amendment

Ratified 1961

Electoral votes for Washington, DC

Gives residents of Washington, DC the right to electoral votes in presidential elections.

Voting & Elections
24

24th Amendment

Ratified 1964

Bans poll taxes in federal elections

Makes it illegal to charge a poll tax, a fee for voting, in federal elections.

Voting & Elections
25

25th Amendment

Ratified 1967

Presidential succession and disability

Spells out what happens if the president dies, resigns, or becomes unable to do the job, and how the vice presidency is filled.

Government Structure
26

26th Amendment

Ratified 1971

Voting age set at 18

Lowered the voting age to 18, so the right to vote cannot be denied to citizens who are 18 or older based on age.

Voting & Elections
27

27th Amendment

Ratified 1992

Delays congressional pay raises until after an election

A change to the pay of members of Congress cannot take effect until after the next election of representatives.

Government Structure

How it works

The Constitution can be changed through amendments. So far there are 27. The first ten, ratified in 1791, are known as the Bill of Rights and protect basic freedoms.

In Reference mode, filter the amendments by category and read each one in plain language. In Quiz mode, a right or scenario appears and you pick the amendment that protects it. Choose Learn for the Bill of Rights with a hint, Practice for the most commonly tested amendments, or Challenge for all 27.

Curriculum alignment

Built for middle school and high school civics and US history. It supports state standards on the Bill of Rights, the Reconstruction amendments, and the expansion of voting rights.

Students practice matching constitutional rights to the amendments that guarantee them, a core skill on civics assessments and the US citizenship test.

Reference Guide: The Bill of Rights

First through Fifth

  • 1st. Freedom of religion, speech, press, assembly, and petition.
  • 2nd. The right to keep and bear arms.
  • 3rd. No forced quartering of soldiers in your home during peacetime.
  • 4th. Protection from unreasonable searches and seizures.
  • 5th. Due process, no double jeopardy, and no forced self-incrimination.

Sixth through Tenth

  • 6th. The right to a speedy, public trial by an impartial jury and to a lawyer.
  • 7th. The right to a jury trial in many civil cases.
  • 8th. No excessive bail, fines, or cruel and unusual punishment.
  • 9th. Rights not listed in the Constitution are still kept by the people.
  • 10th. Powers not given to the federal government belong to the states or the people.

Key later amendments

  • 13th (1865). Abolished slavery.
  • 14th (1868). Citizenship and equal protection under the law.
  • 15th (1870). The right to vote cannot be denied based on race.
  • 19th (1920). Women's right to vote.
  • 26th (1971). The voting age set at 18.

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