Based on CBS News' preliminary national exit polling, Republicans are poised for significant gains in Congress. The youth vote--18-to-29-year-olds--who helped catapult President Obama into office makes up an estimated 9 percent of voters this year, compared to 18 percent in 2008. About 58 percent of the youth vote favors Democratic candidates.
Independents make up an estimated 28 percent of voters in the early exit polls, with 39 percent voting Democratic and 56 percent Republican.
Black voter turnout also appears to be lower during the midterm election. An estimated 10 percent of blacks are voting, compared to 13 percent in 2008. The exit polling found 8 percent of voters are Hispanic, with 66 percent voting Democratic.
In addition, men are voting more Republican, 55 percent compared to 43 for the Democrats. Among women, Democrats have a one point edge, 49% are voting for Democrats and 48% for Republicans. In 2008, more women voted Democratic. In 2002, women voted 49 percent Republican and 49 percent Democratic.