The charts above reflect the results of the new Economist / YouGov Poll -- done between August 16th and 18th of a national sample of 1,500 adults (including 1,246 registered voters). The margin of error is 3.4 points for both adults and registered voters.
This poll has been showing a 9 point margin for Biden for several weeks now. This week marks the first time that advantage has reached double-digits -- 10 points.