Nationwide public opinion polls that were conducted relating to the 2012 United States presidential election are as follows. The election was between Democratic Incumbent President Barack Obama, Republican Mitt Romney, as well as other third-party and independent challengers.
The persons named in the polls were official candidates in the general election or former candidates for a particular party's nomination.
<small>*RV means "registered voters"; LV means "likely voters"; A means "adults". Polls with a (D), (R), or (L) indicate that they were sponsored by partisan groups affiliated with a party.</small>
<small>*RV means "registered voters"; LV means "likely voters"</small>
<small>*RV means "registered voters"; LV means "likely voters"</small>
<small>*RV means "registered voters"; LV means "likely voters"</small>
Both convention nominations were completed by September 6, 2012.
<small>*RV means "registered voters"; LV means "likely voters"; A means "adults". Polls with a (D), (R), or (L) indicate that they were sponsored by partisan groups affiliated with a party.</small>
Two-way race with Gary Johnson
Three-way race with Gary Johnson
President Barack Obama ran uncontested in most states for the 2012 Democratic presidential nomination.
Hypothetical polling
See Nationwide opinion polling for the Republican Party 2012 presidential primaries