Liste over amerikanske præsidenter under den amerikanske forfatning fra 1789 til 1921
1789 - 1797
George Washington
1857 -1861
James Buchanan
1797 - 1801
John Adams
1861 - 1865
Abraham Lincoln
1801 - 1809
Thomas Jefferson
1865 - 1869
Andrew Johnson
1809 - 1817
James Madison
1869 - 1877
Ulysses S. Grant
1817 - 1825
James Monroe
1877 - 1881
Rutherford B. Hays
1825 - 1829
John Quincy Adams
1881 - 1881
James A. Garfield
1829 - 1837
Andrew Jackson
1881 - 1885
Chester A. Arthur
1837 - 1841
Martin Van Buren
1885 - 1889
Grover Cleveland
1841 - 1841
William H. Harrison
1889 - 1893
Benjamin Harrison
1841 - 1845
John Tylor
1893 - 1897
Grover Cleveland
1845 - 1849
James K. Polk
1897 - 1901
William McKinley
1849 - 1850
Zachary Taylor
1901 - 1909
Theodore Roosevelt
1850 - 1853
Millard Fillmore
1909 - 1913
William Howard Taft
1853 - 1857
Franklin Pierce
1913 - 1921
Woodrow Wilson