V.P. Kamala Harris is facing long odds
In U.S. history, 15 vice presidents have become president. Of those, 10 were elected to the presidency, while others succeeded on the death of a sitting president.
In the modern era, five vice presidents have been elevated to the presidency.
Harry Truman, and Lyndon Johnson moved up after the deaths of FDR and JFK.
Richard Nixon and Joe Biden, once V.P.’s, won the Presidency as private citizens.
Only George H.W. Bush was elected President while in office as Vice President.
Note: Three vice presidents—Hubert Humphrey, Walter Mondale, and Al Gore—won their party's nomination but lost in the general election.