| Hillary Clinton | 2016 | 3.3/5 based on 638 ratings | Democratic Party | | Former Secretary of State | 69 years | |
 | Donald Trump | 2016 | 3.6/5 based on 803 ratings | Republican Party | | President, Trump Organization | 71 years | |
| Gary Johnson | 2016, 2012 | 4.4/5 based on 112 ratings | Libertarian Party | | Former Governor of New Mexico | 64 years | |
| Jill Stein | 2016, 2012 | 4.1/5 based on 69 ratings | Green Party | | Physician | 67 years | |
| Ted Cruz | 2016 | 3.8/5 based on 187 ratings | Republican Party | Withdrew
March 23, 2015 - May 3, 2016
(14 months)
| U.S. Senator, Texas | 46 years | |
| Bernie Sanders | 2016 | 4.4/5 based on 532 ratings | Democratic Party | Withdrew
May 26, 2015 - July 26, 2016
(14 months)
| U.S. Senator, Vermont | 75 years | |
| Marco Rubio | 2016 | 3.8/5 based on 72 ratings | Republican Party | Withdrew
April 13, 2015 - March 15, 2016
(11 months)
| U.S. Senator, Florida | 46 years | |
| Rand Paul | 2016 | 4.4/5 based on 71 ratings | Republican Party | Withdrew
April 7, 2015 - February 3, 2016
(10 months)
| U.S. Senator, Kentucky | 54 years | |
| Ben Carson | 2016 | 4.2/5 based on 105 ratings | Republican Party | Withdrew
May 3, 2015 - March 4, 2016
(10 months)
| Former Neurosurgeon | 65 years | |
| John Kasich | 2016 | 3.8/5 based on 53 ratings | Republican Party | Withdrew
July 21, 2015 - May 4, 2016
(10 months)
| Governor of Ohio | 65 years | |
| Mike Huckabee | 2016 | 3.4/5 based on 26 ratings | Republican Party | Withdrew
May 5, 2015 - February 1, 2016
(9 months)
| Former Governor of Arkansas | 61 years | |
| Carly Fiorina | 2016 | 3.5/5 based on 37 ratings | Republican Party | Withdrew
May 4, 2015 - February 10, 2016
(9 months)
| Former CEO of HP | 62 years | |
| Chris Christie | 2016 | 2.7/5 based on 26 ratings | Republican Party | Withdrew
June 30, 2015 - February 10, 2016
(8 months)
| Governor of New Jersey | 54 years | |
| Martin O'Malley | 2016 | 3.7/5 based on 13 ratings | Democratic Party | Withdrew
May 30, 2015 - February 1, 2016
(8 months)
| Former Governor of Maryland | 54 years | |
| Jeb Bush | 2016 | 2.9/5 based on 45 ratings | Republican Party | Withdrew
June 15, 2015 - February 20, 2016
(8 months)
| Former Governor of Florida | 64 years | |
| Rick Santorum | 2016 | 3.3/5 based on 8 ratings | Republican Party | Withdrew
May 27, 2015 - February 3, 2016
(8 months)
| Former U.S. Senator, Pennsylvania | 59 years | |
| Jim Gilmore | 2016 | 2.4/5 based on 5 ratings | Republican Party | Withdrew
July 30, 2015 - February 12, 2016
(7 months)
| Former Governor of Virginia | 67 years | |
| George Pataki | 2016 | 3.0/5 based on 5 ratings | Republican Party | Withdrew
May 28, 2015 - December 29, 2015
(7 months)
| Former Governor of New York | 72 years | |
| Lindsey Graham | 2016 | 2.5/5 based on 11 ratings | Republican Party | Withdrew
June 1, 2015 - December 21, 2015
(7 months)
| U.S. Senator, South Carolina | 62 years | |
| Lincoln Chafee | 2016 | 2.8/5 based on 4 ratings | Democratic Party | Withdrew
June 3, 2015 - October 23, 2015
(5 months)
| Former Governor of Rhode Island | 64 years | |
| Bobby Jindal | 2016 | 1.8/5 based on 16 ratings | Republican Party | Withdrew
June 24, 2015 - November 17, 2015
(5 months)
| Governor of Louisiana | 46 years | |
