Union voters made the difference in Tuesday's election, turning out in droves to elect pro-labor candidates.

The AFL-CIO, Change to Win, and Working America launched unprecedented operations to get union members to the polls in a critical election for working men and women.

According to the AFL-CIO, union members supported President-elect Barack Obama 67 percent to 30 percent over Sen. John McCain. In the top-tier battleground states the difference was even more stark, with union members going for Obama 69 to 28—a 41-point margin.

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