Vice Presidents who became President through the President dying or resigning (9):
John Tyler, Millard Fillmore, Andrew Johnson, Chester Arthur, Theodore Roosevelt, Calvin Coolidge, Harry Truman, Lyndon Johnson, Gerald Ford
Vice Presidents who became their party's nominee with Vice President as their current/last office (7):
Martin Van Buren, Richard Nixon, Hubert Humphrey, Walter Mondale, George H.W. Bush, Al Gore, Joe Biden
Vice Presidents who later ran for President under a different party and became the party's nominee (2):
John C. Breckinridge, Henry Wallace
Vice Presidents who became Vice President because the runner-up in the Presidential race became Vice President who then became President (2):
John Adams, Thomas Jefferson