Article V

Amendment Process

Signed in convention September 17, 1787. Ratified June 21, 1788

The Congress, whenever two thirds of both Houses shall deem it necessary, shall propose Amendments to this Constitution, or, on the Application of the Legislatures of two thirds of the several States, shall call a Convention for proposing Amendments, which, in either Case, shall be valid to all Intents and Purposes, as Part of this Constitution, when ratified by the Legislatures of three fourths of the several States, or by Conventions in three fourths thereof, as the one or the other Mode of Ratification may be proposed by the Congress; Provided that no Amendment which may be made prior to the Year One thousand eight hundred and eight shall in any Manner affect the first and fourth Clauses in the Ninth Section of the first Article; and that no State, without its Consent, shall be deprived of its equal Suffrage in the Senate.

More about Article V

The Drafting Table

Explore key historical documents that inspired the Framers of the Constitution and each amendment during the drafting process, the early drafts and major proposals behind each provision, and discover how the drafters deliberated, agreed and disagreed, on the path to compromise and the final text.

In the Classroom

Teach the Constitution in your classroom with nonpartisan resources including videos, lesson plans, podcasts, and more. Check out our classroom resources organized by each article or amendment, and by key constitutional questions.

Media Library: Article V

Live At America's Town Hall Podcast

The Founders’ Library

May 25

Town Hall Video

The Founders' Library: Intellectual Sources of the Constitution

In celebration of the anniversary of the Constitutional Convention, join a Town hall exploring the sources the founders looked to…

May 20

Blog Post

On this day, Congress approved the 14th Amendment

On June 13, 1866, the House approved a Senate-proposed version of the 14th Amendment, sending it to the states for approval. Two…

Jun 13

Educational Video

Constitution 101: Jill Lepore on the Constitutional Convention

In this Fun Friday Session, Jill Lepore, David Woods Kemper ’41 Professor of American History at Harvard University and writer…

More from the National Constitution Center

Carry the Constitution in Your Pocket! Download the App

The Interactive Constitution is available as a free app on your mobile device.

Visit the National Constitution Center

Find out about upcoming programs, exhibits, and educational initiatives on the National Constitution Center’s website.

Support the Interactive Constitution

The National Constitution is a private nonprofit. Please support our educational mission of increasing awareness and understanding of the U.S. Constitution.