Title: President of the United States
Content:  , there were five living former U.S. presidents. The most recent death of a former president was that of George H. W. Bush (1989–1993), on November 30, 2018. The living former presidents, in order of service, are:
Title: 2021 in the United States
Content: President: Donald Trump (R-Florida) (until January 20), Joe Biden (D-Delaware) (since January 20) ; Vice President: Mike Pence (R-Indiana) (until January 20), Kamala Harris (D-California) (since January 20) ; Chief Justice: John Roberts (New York) ; Speaker of the House of Representatives: Nancy Pelosi (D-California) ; Senate Majority Leader: Mitch McConnell (R-Kentucky) (until January 20), Chuck Schumer (D-New York) (since January 20) ; Congress: 116th (until January 3), 117th (starting January 3)  {| class="wikitable collapsible collapsed" |- ! Governors and lieutenant governors |- |
Title: 2024 United States presidential election
Content: Joe Biden, 46th President of the United States (2021–present); 47th Vice President of the United States (2009–2017); United States Senator from Delaware (1973–2009), New Castle County Councillor for District 4 (1971–1973); Democratic Party candidate for president in 1988 and 2008 , individuals in this section have expressed an interest in running for president within the previous six months. 
Title: United States
Content:  a repeat of the crisis. Republican Donald Trump was elected as the 45th president in 2016, a result viewed as one of the biggest political upsets in American history. Trump led the country through the first waves of the COVID-19 pandemic in the United States, which as of December 2021 is estimated to have killed over 900,000 Americans. In 2020, in what was seen as a repudiation of Trump's divisive leadership, Democrat Joe Biden was elected as the 46th president. On January 6, 2021, supporters of outgoing President Trump stormed the United States Capitol in an unsuccessful effort to disrupt the presidential Electoral College vote count.
Title: 2024 United States presidential election
Content:  Democrat Joe Biden is the incumbent president, elected in 2020, and has stated he intends to run for re-election in 2024, which was later confirmed by Press Secretary Jen Psaki in November 2021, although no official statements have been released as of yet. He is the oldest person to assume the office, at age 78, and would be 82 at the end of his first term and 86 at the end of his second term, if re-elected. During late 2021, as President Biden was suffering from low approval ratings in the polls, there was speculation that he would not seek re-election. In the event of this occurring, Vice President Kamala Harris and Secretary of Transportation Pete Buttigieg were considered likely candidates for the Democratic presidential nomination, having both run for president in 2020. Also, if he chooses not to seek re-election, he woud be the first president since Lyndon B. Johnson to do so.
Title: 2019 in the United States
Content: President: Donald Trump (R-New York, then R-Florida) ; Vice President: Mike Pence (R-Indiana) ; Chief Justice: John Roberts (New York) ; Speaker of the House of Representatives: Paul Ryan (R-Wisconsin) (until January 3), Nancy Pelosi (D-California) (starting January 3) ; Senate Majority Leader: Mitch McConnell (R-Kentucky) ; Congress: 115th (until January 3), 116th (after January 3)  {| class="wikitable collapsible collapsed" |- ! Governors and lieutenant governors |- |
Title: Joe Biden
Content:  Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who is the 46th and current president of the United States. A member of the Democratic Party, he served as the 47th vice president from 2009 to 2017 under Barack Obama and represented Delaware in the United States Senate from 1973 to 2009. Biden was born and raised in Scranton, Pennsylvania, moving with his family to New Castle County, Delaware in 1953 when he was ten. He studied at the University of Delaware before earning his law degree from Syracuse University in 1968. He was elected to the New Castle County Council in 1970 and became the sixth-youngest senator in U.S. history after 
Title: 2022 in the United States
Content: President: Joe Biden (D-Delaware) ; Vice President: Kamala Harris (D-California) ; Chief Justice: John Roberts (New York) ; Speaker of the House of Representatives: Nancy Pelosi (D-California) ; Senate Majority Leader: Chuck Schumer (D-New York) ; 117th 
Title: 2017 in the United States
Content: President: Barack Obama (D-Illinois) (until January 20), Donald Trump (R-New York) (starting January 20) ; Vice President: Joe Biden (D-Delaware) (until January 20), Mike Pence (R-Indiana) (starting January 20) ; Chief Justice: John Roberts (New York) ; Speaker of the House of Representatives: Paul Ryan (R-Wisconsin) ; Senate Majority Leader: Mitch McConnell (R-Kentucky) ; Congress: 114th (until January 3), 115th (starting January 3)  {| class="wikitable collapsible collapsed" ! Governors and lieutenant governors
Title: 2024 United States presidential election
Content:  Donald Trump was defeated by Joe Biden in 2020 and was impeached by the House of Representatives for the second time. He was acquitted in his second impeachment trial in 2021 by the Senate, and is currently eligible to run again in 2024. If he decides to run, he would be seeking to become the second president, after Grover Cleveland, to serve two non-consecutive terms. The last president to run after leaving office was Theodore Roosevelt, who came in second in the 1912 election as the presidential nominee of the Progressive Party, although Herbert Hoover did briefly seek the Republican presidential nomination at national conventions subsequent to his leaving office in 1933.

Question: who is the president of usa right now?
Answer: Donald Trump.