These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed April 26-28, 2014 on Marco Rubio. The results show that opinion on Marco Rubio is split, but many Americans don't really know who he is. The margin of error is 4.3%. Click here to see full tables ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed May 10-12, 2014 on Elizabeth Warren. The results show that Elizabeth Warren is widely unknown, though she is popular among Democrats. The margin of error is 4.3%. Click here to see full tables and demographic crossbreaks Do ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed May 3-5, 2014 on Paul Ryan. The results show that he is seen as the most qualified candidate for President among Republicans. The margin of error is 4.2%. Click here to see full tables and demographic crossbreaks ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed April 19-21, 2014 on Mike Huckabee. The results show that opinion of Huckabee is nearly evenly divided. The margin of error is 4.1%. Click here to see full tables and demographic crossbreaks Do you have a favorable ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed March 1-April 5, 2014 on healthcare reform. The results show that Americans are still highly divided over by Obamacare.The margin of error is 4.1%. Click here to see full tables and demographic crossbreaks Do you have a ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed May 17-19, 2014 on Ted Cruz. The results show that Ted Cruz faces stiff competition for any potential 2016 run. The margin of error is 3.9%. Click here to see full tables and demographic crossbreaks Do you ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed March 29-31, 2014 on Chris Christie. The results show that Americans tend to have unfavorable, rather than favorable, opinions of the New Jersey governor.The margin of error is 4.1%. Click here to see full tables and demographic ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed April 5-7, 2014 on Rand Paul. The results show that tend to have a positive impression of Rand Paul.The margin of error is 4.2%. Click here to see full tables and demographic crossbreaks Do you have a ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed February 22-24, 2014 on Hillary Clinton. The results show that nearly half of Americans think that she has the qualifications to be President.The margin of error is 4.1%. Click here to see full tables and demographic crossbreaks ...

These are the topline results of a YouGov/Economist survey of 1000 US adults interviewed March 1 - 3, 2014 on Joe Biden. The results show that nearly half of Americans would be uneasy with Joe Biden handling an international crisis. The margin of error is 3.9%. Click here to see full ...