Nationwide opinion polling for the United States presidential election of 2012 (SIADD)

{| class="wikitable" style="text-align:center" border="1px solid #AAAAAA" ! Poll Source ! Dates ! Highlites
 * - style="background:#cccccc"
 * -style="background:#AAAAAA;"
 * Zogby Margin of Error: 0.6% Sample Size: 460
 * December 1 - 2, 2008
 * Barack Obama 35%,Hillary Clinton 33%, Mark Warner 20%, Joe Biden 6%, Not Sure 7%
 * -style="background:#AAAAAA;"
 * CNN/Opinion Research Corporation Margin of Error: 4.5% Sample Size: 24,964
 * November 7 - 18, 2008


 * All Voters: Hillary Clinton 28%,Barack Obama 25%, Mark Warner 16%, Joe Biden 7%, Evan Bayh 5%, Not Sure 6%, Someone Else 13%
 * -style="background:#AAAAAA;"