01/03/2015 04:15 pm ET Updated Jan 03, 2015

The Senate's 46 Democrats Got 20 Million More Votes Than Its 54 Republicans

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On Tuesday, 33 US senators elected in November will be sworn in by Vice President Joe Biden — including 12 who are new to the chamber. The class includes 22 Republicans and 11 Democrats, a big reason why the GOP has a 54-46 majority in the Senate overall.

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