The underlying assumption of elections is that they capture voters’ preferences. Voters go into a booth, push a button/punch a card/pop a chad and when they’re all counted up we know that the person who wins over 50% of the votes is the winner. It’s obvious, right?
Not necessarily. In 1992, Bill Clinton became President with 43 percent of the vote. In 1998, Jesse “The Body” Ventura became governor of Minnesota while winning about 37 percent of the vote. In 2010 (again in Minnesota) Mark Dayton became governor with 43.6 percent of the vote. The runner- up was behind by just .4 (point four) percentage points – 43.2 percent.
A plurality system is simple, but some argue it is fundamentally unfair to let a candidate win with a plurality, let alone a plurality that is far short of a bare majority. [Read more…] about Hi, I’m IRV