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Quinnipiac University poll, conducted Dec. 16-20: "Would you support or oppose a law requiring background checks on people buying guns at gun shows or online?" Support: 89 percent. Oppose: 9 percent. Unsure/No answer: 1 percent.
CBS/New York Times poll, conducted Oct. 21-25: "Do you favor or oppose a federal law requiring background checks on all potential gun buyers?" Favor: 92 percent. Oppose: 7 percent. Unsure/No answer: 1 percent.
Gallup poll, conducted Oct. 7-11: "Would you favor or oppose a law which would require universal background checks for all gun purchases in the U.S. using a centralized database across all 50 states?" Favor: 86 percent. Oppose: 12 percent. Unsure: 2 percent.
Quinnipiac University poll, conducted Sept. 17-21: "Do you support or oppose requiring background checks for all gun buyers?" Support: 93 percent. Oppose: 6 percent. Unsure/No answer: 1 percent.
Pew Research Center poll, conducted July 14-20: Do you favor or oppose "making private gun sales and sales at gun shows subject to background checks"? Favor: 85 percent. Oppose: 13 percent. Unsure/Refused: 2 percent.
Pew found that support for background checks spans all partisan and demographic groups, and it is also favored by a majority of households that own guns and those that do not.