- 1789-1797: George Washington (1732-1799) 1
- 1797-1799: George Washington, John Adams (1735-1826) 2
- 1799-1801: John Adams 1
- 1801-1809: John Adams, Thomas Jefferson (1743-1826) 2
- 1809-1817: John Adams, Thomas Jefferson, James Madison (1751-1836) 3
- 1817-1825: John Adams, Thomas Jefferson, James Madison, James Monroe (1758-1831) 4
- 1825-1826: John Adams, Thomas Jefferson, James Madison, James Monroe, John Quincy Adams (1767-1848) 5
- 1826-1829 James Madison, James Monroe, John Quincy Adams 3
- 1829-1831: James Madison, James Monroe, John Quincy Adams, Andrew Jackson (1767-1845) 4
- 1831-1836: James Madison, John Quincy Adams, Andrew Jackson 3
- 1836-1837: John Quincy Adams, Andrew Jackson 2
- 1837-1841: John Quincy Adams, Andrew Jackson, Martin Van Buren (1782-1862) 3
- 1841-1841: John Quincy Adams, Andrew Jackson, Martin Van Buren, William Henry Harrison (1773-1841) 4
- 1841-1845: John Quincy Adams, Andrew Jackson, Martin Van Buren, John Tyler (1790-1862) 4
- 1845-1845: John Quincy Adams, Andrew Jackson, Martin Van Buren, John Tyler, James K. Polk (1795-1849) 5
- 1845-1848: John Quincy Adams, Martin Van Buren, James Tyler, James K. Polk 4
- 1848-1849: Martin Van Buren, James Tyler, James K. Polk 3
- 1849-1849: Martin Van Buren, James Tyler, James K. Polk, Zachary Taylor (1784-1850) 4
- 1849-1850: Martin Van Buren, James Tyler, Zachary Taylor 3
- 1850-1853: Martin Van Buren, James Tyler, Millard Fillmore (1800-1874) 3
- 1853-1857: Martin Van Buren, James Tyler, Millard Fillmore, Franklin Pierce (1804-1869) 4
- 1857-1861: Martin Van Buren, James Tyler, Millard Fillmore, Franklin Pierce, James Buchanan (1791-1868) 5
- 1861-1862: Martin Van Buren, James Tyler, Millard Fillmore, Franklin Pierce, James Buchanan, Abraham Lincoln (1809-1865) 6
- 1862-1862: Martin Van Buren, Millard Fillmore, Franklin Pierce, James Buchanan, Abraham Lincoln 5
- 1862-1865: Millard Fillmore, Franklin Pierce, James Buchanan, Abraham Lincoln 4
- 1865-1868: Millard Fillmore, Franklin Pierce, James Buchanan, Andrew Johnson (1808-1875) 4
- 1868-1869: Millard Fillmore, Franklin Pierce, Andrew Johnson 3
- 1869-1869: Millard Fillmore, Franklin Pierce, Andrew Johnson, Ulysses S. Grant (1822-1885) 4
- 1869-1874: Millard Fillmore, Andrew Johnson, Ulysses S. Grant 3
- 1874-1875: Andrew Johnson, Ulysses S. Grant 2
- 1875-1877: Ulysses S. Grant 1
- 1877-1881: Ulysses S. Grant, Rutherford B. Hayes (1822-1893) 2
- 1881-1881: Ulysses S. Grant, Rutherford B. Hayes, James A. Garfield (1831-1881) 3
- 1881-1885: Ulysses S. Grant, Rutherford B. Hayes, Chester A. Arthur (1829-1886) 3
- 1885-1885: Ulysses S. Grant, Rutherford B. Hayes, Chester A. Arthur, Grover Cleveland (1837-1908) 4
- 1885-1886: Rutherford B. Hayes, Chester A. Arthur, Grover Cleveland 3
- 1886-1889: Rutherford B. Hayes, Grover Cleveland 2
- 1889-1893: Rutherford B. Hayes, Grover Cleveland, Benjamin Harrison (1833-1901) 3
- 1893-1897: Grover Cleveland, Benjamin Harrison 2
- 1897-1901: Grover Cleveland, Benjamin Harrison, William McKinley (1843-1901) 3
- 1901-1901: Grover Cleveland, William McKinley 2
- 1901-1908: Grover Cleveland, Theodore Roosevelt (1858-1919) 2
- 1908-1909: Theodore Roosevelt 1
- 1909-1913: Theodore Roosevelt, William Howard Taft (1857-1930) 2
- 1913-1919: Theodore Roosevelt, William Howard Taft, Woodrow Wilson (1856-1924) 3
- 1919-1921: William Howard Taft, Woodrow Wilson 2
- 1921-1923: William Howard Taft, Woodrow Wilson, Warren G. Harding (1865-1923) 3
- 1923-1924: William Howard Taft, Woodrow Wilson, Calvin Coolidge (1872-1933) 3
- 1924-1929: William Howard Taft, Calvin Coolidge 2
- 1929-1930: William Howard Taft, Calvin Coolidge, Herbert Hoover (1874-1964) 3
- 1930-1933: Calvin Coolidge, Herbert Hoover 2
- 1933-1933: Herbert Hoover 1
- 1933-1945: Herbert Hoover, Franklin D. Roosevelt (1882-1945) 2
- 1945-1953: Herbert Hoover, Harry S. Truman (1884-1972) 2
- 1953-1961: Herbert Hoover, Harry S. Truman, Dwight D. Eisenhower (1890-1969) 3
- 1961-1963: Herbert Hoover, Harry S. Truman, Dwight D. Eisenhower, John F. Kennedy (1917-1963) 4
- 1963-1964: Herbert Hoover, Harry S. Truman, Dwight D. Eisenhower, Lyndon B. Johnson (1908-1973) 4
- 1964-1969: Harry S. Truman, Dwight D. Eisenhower, Lyndon B. Johnson 3
- 1969-1969: Harry S. Truman, Dwight D. Eisenhower, Lyndon B. Johnson, Richard Nixon (1913-1994) 4
- 1969-1972: Harry S. Truman, Lyndon B. Johnson, Richard Nixon 3
- 1972-1973: Lyndon B. Johnson, Richard Nixon 2
- 1973-1974: Richard Nixon 1
- 1974-1977: Richard Nixon, Gerald Ford (1913-2006) 2
- 1977-1981: Richard Nixon, Gerald Ford, Jimmy Carter (1924-) 3
- 1981-1989: Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan (1911-2004) 4
- 1989-1993: Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, George H.W. Bush (1924-2018) 5
- 1993-1994: Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, George H.W. Bush, Bill Clinton (1946-) 6
- 1994-2001: Gerald Ford, Jimmy Carter, Ronald Reagan, George H.W. Bush, Bill Clinton 5
- 2001-2004: Gerald Ford, Jimmy Carter, Ronald Reagan, George H.W. Bush, Bill Clinton, George W. Bush (1946-) 6
- 2004-2006: Gerald Ford, Jimmy Carter, George H.W. Bush, Bill Clinton, George W. Bush 5
- 2006-2009: Jimmy Carter, George H.W. Bush, Bill Clinton, George W. Bush 4
- 2009-2017: Jimmy Carter, George H.W. Bush, Bill Clinton, George W. Bush, Barack Obama (1961-) 5
- 2017-2018: Jimmy Carter, George H.W. Bush, Bill Clinton, George W. Bush, Barack Obama, Donald Trump (1946-) 6
- 2018-2021: Jimmy Carter, Bill Clinton, George W. Bush, Barack Obama, Donald Trump 5
- 2021-: Jimmy Carter, Bill Clinton, George W. Bush, Barack Obama, Donald Trump, Joe Biden (1942-) 6
oct 6 2021 ∞
oct 11 2021 +
oct 11 2021 +