President Obama now holds a 10-point lead over former Pennsylvania Senator Rick Santorum in a hypothetical 2012 presidential election matchup.

A new Rasmussen Reports national telephone survey of Likely U.S. Voters shows Obama with 48% of the vote to Santorum’s 38%. Nine percent (9%) prefer some other candidate, and five percent (5%) remain undecided. (To see survey question wording, click here.)

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The survey of 1,000 Likely Voters was conducted on January 17-18, 2012 by Rasmussen Reports. The margin of sampling error is +/- 3 percentage points with a 95% level of confidence. Field work for all Rasmussen Reports surveys is conducted by Pulse Opinion Research, LLC. See methodology.