Nationwide opinion polling for the 2008 United States presidential election
Scientific, nationwide public opinion polls conducted relating to the 2008 United States presidential election include: == Presidential election == === Two-way contest: Barack Obama vs John McCain === Three-way contest === Four-way contest === === Five-way contest === == Earlier polls == === Two-way contest === Related article: Graphical Representations of Two-Way Contest Data ==== Democratic nominee vs. Republican nominee ==== Three-way race Four-way race ==== Democratic field vs. ====