Gallup Daily tracking indicates Barack Obama is receiving less support in the 2012 presidential election from some of the white subgroups that gave him the strongest support in 2008. These include non-Hispanic white registered voters who are 18 to 29 years old, female postgrads, and the nonreligious, among others.
Obama won the 2008 election comfortably over John McCain, but the 2012 election contest with Mitt Romney is shaping up to be more competitive, with the two statistically tied since Gallup started Daily tracking on the race in April. These findings partly explain why.
For this analysis, Gallup has compared Obama’s current support among registered voters, based on Gallup Daily tracking from May 21-June 10 with 7,343 registered voters, to his support among registered voters in Gallup’s last month of interviewing in the 2008 pre-election poll, from Oct. 1-Nov. 2, comprising 30,623 registered voters.

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