Poll averages in the build-up to five
presidential elections
2020 Trump Biden
54
50
9.8 pts
This gap between Biden and
Trump appears on the next
four charts for comparison
46
42
38
140 days
to go
100
80
60
40
20
0
2016 Trump Clinton
54
50
46
6.7
42
38
140
100
60
20
2012 Obama Romney
54
50
46
1.0
42
38
140
100
60
20
54
2008 Obama McCain
50
8.2
46
42
38
140
100
60
20
2004 Bush Kerry
54
50
46
1.7
42
38
140
100
60
20
Poll averages in the build-up to five presidential elections
2020 Trump Biden
54
50
9.8 pts
This gap between Biden and Trump
appears on the next four charts
for comparison
46
42
38
140 days to go
100
80
60
40
20
0
2016 Trump Clinton
2012 Obama Romney
54
50
46
6.7
1.0
42
38
140
100
60
20
140
100
60
20
2004 Bush Kerry
2008 Obama McCain
54
50
8.2
46
1.7
42
38
140
100
60
20
140
100
60
20