First inauguration of Donald Trump — 58th United States presidential inauguration
Donald Trump was inaugurated as the 45th U.S. president on January 20, 2017, marking the start of his first term and making him the oldest person to assume the presidency at that time.
Key Facts
- Inauguration number
- 58th presidential inauguration
- Attendance estimate
- 300,000 to 600,000 people
- Trump's age at inauguration
- 70 years, 220 days
- Oath administered by
- Chief Justice John Roberts
- Bibles used
- Personal Bible and the Lincoln Bible
- Vice presidential oath
- Administered by Justice Clarence Thomas
By the Numbers
Location
Cause → Event → Consequence
Donald Trump won the 2016 U.S. presidential election, defeating Democratic candidate Hillary Clinton, which set in motion the constitutional transfer of executive power from outgoing President Barack Obama to the president-elect.
On January 20, 2017, Donald Trump was sworn in as the 45th president of the United States at the West Front of the U.S. Capitol, with Chief Justice John Roberts administering the oath. Mike Pence simultaneously assumed the vice presidency. The ceremony drew an estimated 300,000 to 600,000 attendees and was part of a broader series of inaugural events spanning January 17–21.
Trump's inauguration began his first presidential term, during which his administration pursued major policy shifts in immigration, trade, and regulation. The event was protested worldwide, reflecting deep political divisions. Four years later, Trump left office, though he later returned with a second inauguration on January 20, 2025.
Political Outcome
Donald Trump assumed the U.S. presidency as the 45th president; Mike Pence assumed the vice presidency.
Barack Obama (President), Joe Biden (Vice President)
Donald Trump (President), Mike Pence (Vice President)