The chart above reflects the results of the Economist / YouGov Poll -- done between April 19th and 22nd of a nationwide sample of 1,625 adults (including 1,446 registered voters). The margin of error for both groups is 3.3 points.
The chart above is from the Washington Post / ABC News Poll -- done between April 18th and 22nd of a nationwide sample of 2,464 adults, with a 2 point margin of error.