1 Died in office, April 4, 1841, and succeeded by Vice President Tyler.
2 Died in office, July 9, 1850, and succeeded by Vice President Fillmore.
3 Assassinated April 14, 1865, and succeeded by Vice President Johnson, April 15, 1865.
4 Died September 19, 1881, from wounds by assassin, and succeeded by Vice President Arthur.
5 Died September 14, 1901, from wounds by assassin, and succeeded by Vice President Roosevelt.
6 Died in office, August 2, 1923, and succeeded by Vice President Coolidge.
7 Died in office, April 12, 1945, and succeeded by Vice President Truman.
8 Assassinated November 22, 1963, and succeeded by Vice President Lyndon B. Johnson.
9 Resigned on August 9, 1974, and succeeded by Vice President Gerald R. Ford.
10 Died in office, April 20, 1812.
11 Died in office, November 23, 1832.
12 Resigned December 28, 1832, to become U.S. Senator.
13 Prior to the adoption of the 25th amendment in 1967, no consititutional provision existed to fill a
  vice-presidential vacancy.
14 Resigned October 10, 1973.