Donald John Trump is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party, he previously served as the 45th president from 2017 to 2021.

Born into a wealthy family in New York City, Trump graduated from the University of Pennsylvania in 1968 with a bachelor's degree in economics. He became the president of his family's real estate business in 1971, renamed it the Trump Organization, and began acquiring and building skyscrapers, hotels, casinos, and golf courses. He launched side ventures, many licensing the Trump name, and filed for six business bankruptcies in the 1990s and 2000s. From 2004 to 2015, he hosted the reality television show The Apprentice, bolstering his fame as a billionaire.

Presenting himself as a political outsider, Trump won the 2016 presidential election against Democratic Party nominee Hillary Clinton. During his presidency, Trump imposed a travel ban on several Muslim-majority countries, expanded the Mexico–United States border wall, and enforced a family separation policy on the border. He rolled back environmental and business regulations, signed the Tax Cuts and Jobs Act, and appointed three Supreme Court justices.

In foreign policy, Trump withdrew the U.S. from agreements on climate, trade, and Iran's nuclear program, and initiated a trade war with China. In response to the COVID-19 pandemic, he downplayed its severity, contradicted health officials, and signed the CARES Act. After losing the 2020 presidential election to Joe Biden, Trump attempted to overturn the result, culminating in the January 6 Capitol attack in 2021. He was impeached in 2019 for abuse of power and obstruction of Congress, and in 2021 for incitement of insurrection; the Senate acquitted him both times.

Despite legal challenges, Trump won the 2024 presidential election against Kamala Harris. His leadership style and political agenda have been referred to as Trumpism, reshaping the Republican Party's identity. Many of his comments and actions have been characterized as racist or misogynistic, and he has made false and misleading statements to a degree unprecedented in American politics.