United States Constitution

The Constitution of the United States was drafted in Philadelphia in 1787 and took effect in 1789. It has a Preamble, seven Articles and twenty-seven amendments. This section publishes the Preamble, each Article and fifteen amendments, with the National Archives transcription of the text and a plain-English guide to each.

Start with the Preamble for the purposes, then read Articles I, II and III for the three branches. Articles IV through VII cover the states, amendment, supremacy and ratification. The amendments record how the document has changed.

The Preamble and the seven Articles

Bill of Rights (Amendments 1 to 10)

All ten amendments, including the Third, Seventh and Ninth, are compared on the Bill of Rights overview.

Reconstruction Amendments

Later amendments on voting, the presidency and Congress