1. "I DO SOLEMNLY SWEAR (OR AFFIRM) THAT I WILL FAITHFULLY EXECUTE THE OFFICE OF PRESIDENT OF THE UNITED STATES, AND WILL TO THE BEST OF MY ABILITY, PRESERVE, PROTECT AND DEFEND THE CONSTITUTION OF THE UNITED STATES." The Presidents of the United States of America

2. George Washington April 30, 1789 - March 4, 1797

3. John Adams March 4, 1797 – March 4, 1801

4. Thomas Jefferson March 4, 1801 – March 4, 1809

5. James Madison March 4, 1809 – March 4, 1817

6. James Monroe March 4, 1817 – March 4, 1825

7. John Quincy Adams March 4, 1825 – March 4, 1829

8. Andrew Jackson March 4, 1829 – March 4, 1837

9. Martin van Buren March 4, 1837 – March 4, 1841

10. William Henry Harrison March 4, 1841 – April 4, 1841

11. John Tyler April 4, 1841 – March 4, 1845

12. James K. Polk March 4, 1845 – March 4, 1849

13. Zachary Taylor March 4, 1849 – July 9, 1850

14. Millard Fillmore July 9, 1850 – March 4, 1853

15. Franklin Pierce March 4, 1853 – March 4, 1857

16. James Buchanan March 4, 1857 – March 4, 1861

17. Abraham Lincoln March 4, 1861 – April 15, 1865

18. Andrew Johnson April 15, 1865 – March 4, 1869

19. Ulysses S. Grant March 4, 1869 – March 4, 1877

20. Rutherford B. Hayes March 4, 1877 – March 4, 1881

21. James A. Garfield March 4, 1881 – September 19, 1881

22. Chester Arthur September 19, 1881 – March 4, 1885

23. Grover Cleveland March 4, 1885 – March 4, 1889

24. Benjamin Harrison March 4, 1889 – March 4, 1893

25. Grover Cleveland March 4, 1893 – March 4, 1897

26. William McKinley March 4, 1897 – September 14, 1901

27. Theodore Roosevelt September 14, 1901 – March 4, 1909

28. William H. Taft March 4, 1909 – March 4, 1913

29. T. Woodrow Wilson March 4, 1913 – March 4, 1921

30. Warren G. Harding March 4, 1921 – August 2, 1923

31. Calvin Coolidge August 2, 1923 – March 4, 1929

32. Herbert Hoover March 4, 1929 – March 4, 1933

33. Franklin D. Roosevelt March 4, 1933 – April 12, 1945

34. Harry S Truman April 12, 1945 – January 20, 1953

35. Dwight Eisenhower January 20, 1953 – January 20, 1961

36. John F. Kennedy January 20, 1961 – November 22, 1963

37. Lyndon B. Johnson November 22, 1963 – January 20, 1969

38. Richard M. Nixon January 20, 1969 – August 9, 1974

39. Gerald R. Ford August 9, 1974 – January 20, 1977

40. Jimmy Carter January 20, 1977 – January 20, 1981

41. Ronald Reagan January 20, 1981 – January 20, 1989

42. George Bush January 20, 1989 – January 20, 1993

43. Bill Clinton January 20, 1993 – January 20, 2001

44. George W. Bush January 20, 2001 - January 20, 2009

45. Barack Obama January 20, 2009 -