(CNN) – A national poll released Sunday showed President Barack Obama with an edge over Republican nominee Mitt Romney in the last couple days of the 2012 presidential campaign.
The Pew Research Center poll indicates Obama with 50% support among likely voters nationwide and Romney with 47% in their final pre-election survey.
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The Pew survey showing Obama with a three-point edge over his Republican challenger indicates the largest advantage for the president of three other non-partisan, live operator, national polls released since Saturday.
A Pew survey released a week ago, conducted before Superstorm Sandy hit the East Coast on Monday, showed an even tighter race with both candidates receiving 47% support from likely voters.
The latest ABC/Washington Post tracking poll, conducted from October 31 through November 3 and released Sunday, showed Obama with a one point edge over Romney, 49% to Romney's 48%. The survey's sampling error of plus or minus 2.5 percentage points.
Another national poll from Politico/George Washington University, conducted from October 29 through November 1 and also released Sunday, showed the race for the White House in a dead heat with both candidates at 48% support among likely voters.
The Pew Research Center survey was conducted from October 31 through November 3 among 2,709 likely voters reached by telephone with a sampling error of 2.2 percentage points.
–CNN's Dana Davidsen and Paul Steinhauser contributed to this report.