These charts reflect the results of the latest ABC News / Washington Post Poll -- done between June 28th and July 1st of a national sample of 1,008 adults, with a margin of error of 3.5 points.
It shows that among all adults, Joe Biden would beat Trump by the largest margin. He has a 14 point margin over Trump. The others -- Sanders has a 6 point margin, Warren has a 7 point margin, Harris has an 8 point margin, and Buttigieg has a 4 point margin.
The charts below help explain. The Democratic supporters are much more enthusiastic about the coming election -- and Trump remains the most unpopular of all modern presidents.