18John Adams(+)
17 Thomas Jefferson
16 Theodore D. Roosevelt
16 George Washington
16 Franklin D. Roosevelt
12 James Madison
11 Grover Cleveland
11 James K. Polk
10 Dwight D. Eisenhower
10 James Monroe
10 John Tyler
10 Franklin Pierce
10 Zachary Taylor
10 Abraham Lincoln
10 Millard Fillmore
10 Andrew Johnson
10 Chester Alan Arther
10 Grover Cleveland
10 Benjamin Harrison
10 John F. Kennedy
9 William McKinley
9 William H. Taft
9 Martin V. Buren
9 William H. Harrison
9 Gerald R. Ford
9 Lyndon B. Johnson
9 Rutherford B. Hayes
9 Warren G. Harding
9 Calvin Coolidge
8 Harry S. Truman
8 Ulysses S. Grant
8 Bill J. Clinton
7 Woodrow Wilson
7 George H. W. Bush
7 Barack H. Obama
7 Warren G. Harding
6 John Q. Adams
5 James A. Garfield
5 George H. W. Bush
5 Andrew Jackson
4 Richard M. Nixon
2Ronald W. Reagan(-)
Assassinated:
1. George W. Bush
2. Jimmy E. Carter
3. James Buchanan
4 Herbert Hoover
5 Barack H. Obama (-)