United States presidential inauguration

===Attendees===
In addition to the public, the attendees at the inauguration generally include the [[Vice President of the United States|vice president]], members of Congress, Supreme Court justices, high-ranking military officers, former presidents and vice-presidents, living Medal of Honor recipients, and other dignitaries. The outgoing president and vice president also customarily attend the ceremony.

While most outgoing presidents have appeared on the inaugural platform with their successor, six did not:
* [[John Adams]] left Washington rather than attend the [[First inauguration of Thomas Jefferson|1801 inauguration of Thomas Jefferson]]<ref name="eapi" /><ref name=NPR01092021>{{Cite news| last=Naylor| first=Brian| title=Trump Won't Attend Inauguration; Congress Pushes Ahead With Capitol Ceremony| url=https://www.npr.org/sections/biden-transition-updates/2021/01/08/954865776/trump-wont-attend-inauguration-congress-pushes-ahead-with-capitol-ceremony| publisher=NPR| access-date=January 8, 2021}}</ref>
* [[John Quincy Adams]] also left town, unwilling to be present for the [[First inauguration of Andrew Jackson|1829 inauguration of Andrew Jackson]]<ref name="eapi" /><ref name=NPR01092021/>
* [[Martin Van Buren]] was, for reasons unknown, not present for the 1841 [[inauguration of William Henry Harrison]]<ref>{{cite web| last=Shafer| first=Ronald G.| title=How William Henry Harrison Invented the Inaugural Parade| date=January 18, 2017| url=https://www.washingtonpost.com/posteverything/wp/2017/01/18/how-william-henry-harrison-invented-the-inaugural-parade/| website=washingtonpost.com| access-date=January 9, 2021}}</ref>
* [[Andrew Johnson]] conducted a final [[Cabinet of the United States|cabinet]] meeting rather than attend the [[First inauguration of Ulysses S. Grant|1869 inauguration of Ulysses S. Grant]]<ref name="eapi" /><ref name=NPR01092021/>
* [[Woodrow Wilson]], due to poor health, remained inside the Capitol Building during the 1921 [[inauguration of Warren G. Harding]]<ref>{{cite web| url=https://www.hardinghome.org/taking-the-presidential-oath-a-look-back-at-president-hardings-inauguration-96-years-ago/| last=Hall| first=Brett| title=Taking the Presidential Oath: A Look Back at President Harding's Inauguration 96 Years Ago| date=January 20, 2017| website=hardinghome.org| access-date=January 9, 2021}}</ref>
*[[Donald Trump]] held a "departure ceremony" and then left Washington, D.C. prior to the 2021 [[inauguration of Joe Biden]]<ref name=NPR01092021/>