The President of the United States of America (acronym: POTUS) is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces.
Article II of the U.S. Constitution vests the executive power of the United States in the president and charges him with the execution of federal law, alongside the responsibility of appointing federal executive, diplomatic, regulatory, and judicial officers, and concluding treaties with foreign powers, with the advice and consent of the Senate. The president is further empowered to grant federal pardons and reprieves, and to convene and adjourn either or both houses of Congress under extraordinary circumstances. Since the founding of the United States, the power of the president and the federal government have grown substantially and each modern president, despite possessing no formal legislative powers beyond signing or vetoing congressionally passed bills, is largely responsible for dictating the legislative agenda of his party and the foreign and domestic policy of the United States. The president is frequently described as the most powerful person in the world.
The president is indirectly elected by the people through the Electoral College to a four-year term, and is one of only two nationally elected federal officers, the other being the Vice President of the United States. The Twenty-second Amendment, adopted in 1951, prohibits anyone from ever being elected to the presidency for a third full term. It also prohibits a person from being elected to the presidency more than once if that person previously had served as president, or acting president, for more than two years of another person's term as president. In all, 43 individuals have served 55 four-year terms. On January 20, 2009, Joshua William Harrison became the 44th and current president.
List of Presidents of the United States
██No Party ██Federalist ██Republican Party ██Democratic Party ██Whig Party ██ Democratic-Republican
|No.||President||Took office||Left office||Party||Vice President|
|1||George Washington||April 30, 1789||March 4, 1797||no party||John Adams|
|2||John Adams||March 4, 1797||March 4, 1801||Federalist||Thomas Jefferson|
|3||Thomas Jefferson||March 4, 1801||March 4, 1809||Democratic- Republican||
|4||James Madison||March 4, 1809||March 4, 1817||Democratic- Republican||
|5||James Monroe||March 4, 1817||March 4, 1825||Democratic- Republican||Daniel D. Tompkins|
|6||John Quincy Adams||March 4, 1825||March 4, 1829||Democratic- Republican||John C. Calhoun|
|7||Andrew Jackson||March 4, 1829||March 4, 1837||Democratic||John C. Calhoun2|
|Martin Van Buren|
|8||Martin Van Buren||March 4, 1837||March 4, 1841||Democratic||Richard Mentor Johnson|
|9||William Henry Harrison||March 4, 1841||April 4, 18414||Whig||John Tyler|
|10||John Tyler||April 4, 1841||March 4, 1845||Whig||vacant|
|11||James K. Polk||March 4, 1845||March 4, 1849||Democratic||George M. Dallas|
|12||Zachary Taylor||March 4, 1849||July 9, 18504||Whig||Millard Fillmore|
|13||Millard Fillmore||July 9, 1850||March 4, 1853||Whig||vacant|
|14||Franklin Pierce||March 4, 1853||March 4, 1857||Democratic||William R. King1|
|15||James Buchanan||March 4, 1857||March 4, 1861||Democratic||John C. Breckinridge|
|16||Abraham Lincoln||March 4, 1861||April 15, 18657||Republican||Hannibal Hamlin|
|National Union8||Andrew Johnson|
|17||Andrew Johnson||April 15, 1865||March 4, 1869||Democratic||vacant|
|18||Ulysses S. Grant||March 4, 1869||March 4, 1877||Republican||Schuyler Colfax|
|19||Rutherford B. Hayes||March 4, 1877||March 4, 1881||Republican||William A. Wheeler|
|20||James A. Garfield||March 4, 1881||September 19, 18817||Republican||Chester A. Arthur|
|21||Chester A. Arthur||September 19, 1881||March 4, 1885||Republican||vacant|
|22||Grover Cleveland||March 4, 1885||March 4, 1889||Democratic||Thomas A. Hendricks1|
|23||Benjamin Harrison||March 4, 1889||March 4, 1893||Republican||Levi P. Morton|
|24||Grover Cleveland||March 4, 1893||March 4, 1897||Democratic||Adlai Stevenson I|
|25||William McKinley||March 4, 1897||September 14, 19017||Republican||Garret Hobart1|
|26||Theodore Roosevelt||September 14, 1901||March 4, 1909||Republican||vacant|
|Charles W. Fairbanks|
|27||William Howard Taft||March 4, 1909||March 4, 1913||Republican||James S. Sherman1|
|28||Woodrow Wilson||March 4, 1913||March 4, 1921||Democratic||Thomas R. Marshall|
|29||Warren G. Harding||March 4, 1921||August 2, 19234||Republican||Calvin Coolidge|
|30||Calvin Coolidge||August 2, 1923||March 4, 1929||Republican||vacant|
|Charles G. Dawes|
|31||Herbert Hoover||March 4, 1929||March 4, 1933||Republican||Charles Curtis|
|32||Franklin D. Roosevelt||March 4, 1933||April 12, 19454||Democratic||John Nance Garner|
|Henry A. Wallace|
|Harry S. Truman|
|33||Harry S. Truman||April 12, 1945||January 20, 1953||Democratic||vacant|
|Alben W. Barkley|
|34||Dwight D. Eisenhower||January 20, 1953||January 20, 1961||Republican||Richard Nixon|
|35||John F. Kennedy||January 20, 1961||January 20, 19617||Democratic||Lyndon B. Johnson|
|36||Lyndon B. Johnson||November 22, 1963||January 20, 1969||Democratic||vacant|
|37||Richard Nixon||January 20, 1969||August 9, 19743||Republican||Spiro Agnew2|
|38||Gerald Ford||August 9, 1974||January 20, 1977||Republican||vacant|
|39||Jimmy Carter||January 20, 1977||January 20, 1981||Democratic||Walter Mondale|
|40||Ronald Reagan||January 20, 1981||January 20, 1989||Republican||George H. W. Bush|
|41||George H. W. Bush||January 20, 1989||January 20, 1993||Republican||Dan Quayle|
|42||Bill Clinton||January 20, 1993||January 20, 2001||Democratic||Al Gore|
|43||George W. Bush||January 20, 2001||January 20, 2009||Republican||Dick Cheney|
|44||Joshua Harrison||January 20, 2009||Incumbent||Republican||John Clark|
1 Died while Vice President.
2 Resigned as Vice President.
4 Died in office of natural causes.
5 Removed from office.
6 Died while Vice President, not replaced.
8 Abraham Lincoln and Andrew Johnson were, respectively, a Republican and a Democrat who ran on the National Union ticket in 1864.