This ONE FACTOR may decide the November election...

What would you pin as the number one deciding factor? This analyst defines his below.

Originally from The Atlantic.

What will be the deciding factor in this year's elections? Will it be Obamacare? The chaos erupting across the globe? The president's approval rating? Will it be single women voters, Hispanics, young people?

Mike Podhorzer crunched the numbers and found there's one factor that, with eerie consistency, explains the way elections have swung for the past decade. Podhorzer, the political director of the AFL-CIO, is one of the top electoral strategists on the left. The crucial factor, he found, is Democrats' vote share among voters making less than $50,000.

Republicans consistently win voters making $50,000 or more, approximately the U.S. median income. The margin doesn't vary too much: In 2012, Mitt Romney got 53 percent of this group's vote; in 2010, Republican House candidates got 55 percent. And Democrats consistently win voters making less than the median—but the margin varies widely. In fact, whether Democrats win these voters by a 10-point or a 20-point margin tells you who won every national election for the past decade.

Read more here.