Overview
The presidency of Donald Trump began when he was inaugurated at noon on January 20, 2017 as the 45th President of the United States. He succeeded Barack Obama and led an administration affiliated with the Republican Party. The Trump administration advanced an "America First" agenda that emphasized economic nationalism, deregulation and a confrontational political style that relied heavily on direct communications and social media.
Major domestic actions
Key domestic initiatives included a major tax overhaul, large-scale deregulatory efforts across energy and financial sectors, and sustained attempts to reshape immigration policy. The administration also prioritized judicial appointments, confirming three Supreme Court justices and many federal judges, which altered the federal judiciary's composition for years.
- Tax and regulation: tax legislation in 2017 and rollbacks of federal regulations.
- Judiciary: three Supreme Court nominees and numerous circuit court confirmations.
- Immigration: stricter enforcement, travel restrictions on certain countries, and policies that drew legal and public scrutiny.
Foreign policy and diplomacy
The administration pursued a transactional foreign policy: renegotiating trade deals (leading to USMCA), imposing tariffs in disputes with China, withdrawing from international agreements such as the Paris climate accord and the Iran nuclear agreement, and engaging directly with North Korean leadership. It also recognized Jerusalem as Israel's capital and moved the U.S. embassy there, actions that shifted longstanding diplomatic stances.
Controversies, investigations and crisis response
Trump's tenure featured repeated controversies and formal inquiries. A Special Counsel investigation examined foreign interference in the 2016 election and related contacts; its findings were complex and widely reported. The president was impeached twice by the House of Representatives—first over Ukraine-related matters and later after the January 6, 2021 attack on the U.S. Capitol—but was acquitted by the Senate in both cases.
Pandemic, election and legacy
The COVID-19 pandemic dominated the final year of the administration, prompting large-scale economic relief legislation and contentious public debate over health measures. In the 2020 election, Trump lost re-election to Joe Biden; his post-election claims and the events of January 6 led to additional political and legal scrutiny. Historians and analysts debate the long-term effects of his policies on institutions, political norms, the judiciary and both domestic and international alignments.
For further reading, see official profiles and timelines: biography and profile, inauguration details, presidential chronology, succession context, prior administration, party information.



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