Overall, the polls show a tight race. In the two WBUR/MassINC polls, which were released on Oct. 1 and Oct. 9, Warren led the earlier poll 46-44 with 9 percent undecided, while Brown led the later poll 48-45 with 5 percent undecided. Warren had a three-point lead in the UMass-Amherst and a six-point lead in the PPP poll.
According to the U.S. Census Bureau, women accounted for 53.7 percent of the vote nationally in 2008, with 70.4 million voters out of 131.1 million who cast ballots.
In the Jan. 19, 2010 special election, Brown won over Attorney General Martha Coakley by a margin of about 107,000 votes out of 2.3 million cast.
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