Amendments to US Constitution

The United States Constitution has been amended 27 times since its adoption in 1787. Each amendment represents a change or addition to the original text of the Constitution. The first 10 amendments form the Bill of Rights.

First Amendment 1791: Protects the freedom of speech, religion, press, assembly, and petition. It guarantees the right to express oneself, practice any religion, publish and disseminate information, peacefully gather, and petition the government for redress of grievances.

Second Amendment 1791: Ensures the right of the people to keep and bear arms. It protects the individual right to own firearms for self-defence, hunting, and other lawful purposes.

Third Amendment 1791: Prohibits the government from quartering troops in private homes during peacetime without the consent of the homeowner. This amendment was primarily a response to abuses suffered by colonists under British rule.

Fourth Amendment 1791: Protects against unreasonable searches and seizures. It requires that warrants be supported by probable cause and specifically describe the place to be searched or the persons or things to be seized.

Fifth Amendment 1791: Guarantees various rights in criminal proceedings. It protects against self-incrimination, ensures due process of law, prohibits double jeopardy (being tried twice for the same offence), and requires just compensation for private property taken for public use (eminent domain).

Sixth Amendment 1791: Protects the rights of individuals in criminal prosecutions. It ensures the right to a speedy and public trial by an impartial jury, the right to be informed of the nature and cause of the accusation, the right to confront witnesses, and the right to assistance of counsel.

Seventh Amendment 1791: Preserves the right to a jury trial in civil cases that exceed a certain monetary threshold. It ensures that disputes over property, contracts, and other civil matters are decided by a jury if desired by either party.

Eighth Amendment 1791: Prohibits cruel and unusual punishment and excessive bail or fines. It sets limits on the severity of punishment that can be imposed and ensures that bail and fines are not unreasonably high.

Ninth Amendment 1791: Declares that the enumeration of certain rights in the Constitution shall not be construed to deny or disparage other rights retained by the people. It recognises that individuals have rights beyond those explicitly listed in the Constitution.

Tenth Amendment 1791: Affirms the principle of federalism by reserving powers not delegated to the federal government to the states or the people. It reinforces the idea that the federal government has limited, enumerated powers and that states have their own areas of authority.

Eleventh Amendment 1795: Protects states from lawsuits by citizens of other states or foreign countries. It limits the jurisdiction of federal courts in cases where a state is sued by individuals.

Twelfth Amendment 1804: Changes the procedure for electing the President and Vice President. It requires electors to cast separate votes for President and Vice President and establishes procedures for tie-breaking in case of electoral college deadlock.

Thirteenth Amendment 1865: Abolishes slavery and involuntary servitude, except as punishment for a crime. It was enacted after the Civil War to ensure the freedom of former slaves.

Fourteenth Amendment 1868: Provides equal protection of the law and due process to all persons born or naturalised in the United States, including former slaves. It prohibits states from infringing upon basic civil rights and ensures that all citizens are treated equally under the law.

Fifteenth Amendment 1870: Prohibits the denial of voting rights based on race, colour, or previous condition of servitude. It aimed to protect the voting rights of African Americans following the Civil War.

Sixteenth Amendment 1913: Grants Congress the power to levy an income tax on individuals and corporations. It authorised the federal government to collect taxes on income as a means of funding its operations.

Seventeenth Amendment 1913: Changes the method of electing Senators. It allows for the direct election of Senators by the people, rather than their selection by state legislatures.

Eighteenth Amendment 1919: Prohibited the manufacture, sale, and transportation of alcoholic beverages in the United States. This amendment, also known as Prohibition, aimed to reduce social problems associated with alcohol but was later repealed by the Twenty-first Amendment.

Nineteenth Amendment 1920: Grants women the right to vote. It was a significant milestone in the women's suffrage movement and ensured that gender could not be used as a basis for denying citizens the right to vote.

Twentieth Amendment 1933: Sets the dates for the beginning and ending of the terms of the President and Congress. It also outlines procedures for succession in case of the President's death or inability to perform their duties.

Twenty-first Amendment 1933: Repealed the Eighteenth Amendment and ended Prohibition. It gave states the power to regulate the sale and consumption of alcoholic beverages within their borders.

Twenty-second Amendment 1951: Limits the President to serving a maximum of two terms in office. It was enacted in response to Franklin D. Roosevelt's four-term presidency and seeks to prevent excessive concentration of power in the executive branch.

Twenty-third Amendment 1961: Grants residents of Washington DC, the right to vote in presidential elections. Prior to this amendment, DC residents did not have representation in the Electoral College.

Twenty-fourth Amendment 1964: Prohibits the imposition of poll taxes as a condition for voting in federal elections. It aimed to eliminate barriers to voting faced by African Americans and low-income individuals.

Twenty-fifth Amendment 1967: Establishes procedures for presidential succession and the filling of vacancies in the office of Vice President. It also provides a mechanism for the President to temporarily transfer power to the Vice President in case of illness or other inability to fulfil their duties.

Twenty-sixth Amendment 1971: Lowers the voting age from 21 to 18. It was enacted in response to protests during the Vietnam War, recognising that individuals old enough to fight and be drafted should have the right to vote.

Twenty-seventh Amendment 1992: Regulates changes to congressional salaries. It prohibits Congress from giving itself immediate pay raises and ensures that any changes to compensation take effect in the subsequent term.

Each of these amendments represents a significant development in the evolution of the US Constitution and the protection of individual rights and democratic principles.
Back to blog

UOL Case Bank

Upon joining, you become a valuable UOL student and gain instant access to over 2,100 essential case summaries. UOL Case Bank is constantly expanding. Speed up your revision with us now.

Subscribe Now

Where are our students from?

Council of Europe
Crown Prosecution Service
Baker Mckenzie 
Yale University
University of Chicago
Columbia University
New York University
University of Michigan 
INSEAD
University of London
University College London (UCL)
London School of Economics (LSE)
King’s College London (KCL)
Royal Holloway, University of London 
Birkbeck, University of London
SOAS, University of London
University of Manchester
University of Zurich
University of York
Brandeis University
University of Exeter
University of Sheffield
Boston University
University of Washington
University of Leeds
University of Law
University of Kent
University of Hull
Queen’s University Belfast
Toronto Metropolitan University
Hong Kong University of Science and Technology
University of Buckingham
ESSEC Business School

  • Criminal Practice

    Diagrams and Charts

    Our carefully designed diagrams and charts will guide you through complex legal issues.

  • Criminal Law

    Clear and Succinct Definitions

    Key concepts are concisely defined to help you understand legal topics quickly.

  • Property Law

    Statutory Provisions

    Statutory provisions are provided side by side with legal concepts to help you swiftly locate the relevant legislation.

  • Public Law

    Case Summaries

    We have summarised important cases for you so that you don't need to read long and boring cases.

  • Evidence

    Rules and Exceptions

    Rules and exceptions are clearly listed so that you know when a rule applies and when it doesn't.

  • Company Law

    Terminology

    Legal terms and key concepts are explained at the beginning of each chapter to help you learn efficiently.

  • Case Law

    Case law is provided side by side with legal concepts so that you know how legal principles and precedents were established.

  • Law Exam Guide

    Law Essay Guide

    You will learn essential law exam skills and essay writing techniques that are not taught in class.

  • Law Exam Guide

    Problem Question Guide

    We will show you how to answer problem questions step by step to achieve first-class results.

  • Conflict of Laws

    Structured Explanations

    Complex legal concepts are broken down into concise and digestible bullet point explanations.

  • Legal System and Method

    Legal Research

    You will learn legal research techniques with our study guide and become a proficient legal researcher.

  • Jurisprudence and Legal Theory

    Exam-focused

    All essential concepts, principles, and case law are included so that you can answer exam questions quickly.