| Order | President | Previous occupation(s) |
| 1 | George Washington | Land Surveyor, Farmer/plantation owner, Soldier (Commander-in-Chief of the Continental Army) |
| 2 | John Adams | Lawyer, Farmer |
| 3 | Thomas Jefferson | Land Surveyor, Writer, Inventor, Lawyer, Architect, Farmer/Plantation owner, Diplomat, Linguist, Theologian |
| 4 | James Madison | Farmer/plantation owner |
| 5 | James Monroe | Farmer/plantation owner, Lawyer |
| 6 | John Quincy Adams | Lawyer |
| 7 | Andrew Jackson | Soldier (Major General), Lawyer |
| 8 | Martin Van Buren | Lawyer |
| 9 | William Harrison | Soldier |
| 10 | John Tyler | Lawyer |
| 11 | James Polk | Lawyer, Plantation owner |
| 12 | Zachary Taylor | Soldier (Army Major General) |
| 13 | Millard Fillmore | Lawyer |
| 14 | Franklin Pierce | Lawyer |
| 15 | James Buchanan | Lawyer, Diplomat |
| 16 | Abraham Lincoln | Land Surveyor, Lawyer |
| 17 | Andrew Johnson | Soldier, Tailor |
| 18 | Ulysses Grant | Soldier, General of the Army |
| 19 | Rutherford Hayes | Lawyer |
| 20 | James Garfield | School teacher, minister, soldier |
| 21 | Chester Arthur | School teacher, lawyer, collector of tariffs |
| 22 !22, 24 | Grover Cleveland | Sheriff, lawyer, assistant teacher |
| 23 | Benjamin Harrison | Lawyer, journalist |
| 25 | William McKinley | Lawyer, Soldier |
| 26 | Theodore Roosevelt | Public Official, Rancher, Soldier |
| 27 | William Taft | Lawyer, judge, law reporter, dean of law school at the University of Cincinnati |
| 28 | Woodrow Wilson | Lawyer, professor, president of Princeton University |
| 29 | Warren Harding | Newspaper publisher/editor |
| 30 | Calvin Coolidge | Lawyer, Public Official, Vice President of Northampton Savings Bank |
| 31 | Herbert Hoover | Engineer, Investor |
| 32 | Franklin Roosevelt | Lawyer |
| 33 | Harry Truman | Farmer, Soldier, haberdasher |
| 34 | Dwight Eisenhower | Soldier (General of the Army), President of Columbia University |
| 35 | John F. Kennedy | Writer, Sailor (Navy Lieutenant) |
| 36 | Lyndon Johnson | Teacher, Public Official |
| 37 | Richard Nixon | Lawyer, Sailor (Navy Lieutenant Commander) |
| 38 | Gerald Ford | Football Player, Sailor (Navy Lieutenant Commander), Lawyer |
| 39 | Jimmy Carter | Sailor (Navy Lieutenant),[2] peanut farmer,[3] writer |
| 40 | Ronald Reagan[4][5] | Actor & broadcaster, President of the Screen Actors Guild[6] |
| 41 | George H. W. Bush | Pilot (Navy Lieutenant, Junior Grade),[7] Businessman (Oil),[8] C.I.A. Director, Ambassador to China. |
| 42 | Bill Clinton | Lawyer, Law lecturer |
| 43 | George W. Bush | Pilot (Texas Air National Guard), Businessman (Oil,[9] baseball)[10] |
| 44 | Barack Obama | Community Organizer, Lawyer. Lecturer (informally considered by some to be a professor)[11] |