A complete list of U.S. presidents is available on the official website of the White House. The website of the Library of Congress also has a list of all the U.S. presidents.
As of 2015, the United States has had 44 presidents, with the first one being George Washington, who was elected in 1789. The lists of presidents include information about the periods they served, the parties they belonged to, as well as the main achievements of their terms. Individuals can also find the name of the first ladies and vice presidents of the United States when consulting a list of U.S. presidents.