The race to the White House is a close call with the two candidates neck-and-neck in the days before the election. Use our polltracker to follow the changing support for Democratic incumbent Barack Obama and his Republican rival Mitt Romney.
The 大象传媒 poll of polls uses the same methodology as the London School of Economics, known as the median smoothing method.
Looking at the five most recent polls it takes the middle value for each candidate, ie, the value which falls between two figures that are higher and two figures that are lower.
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Polls compiled in the poll tracker |
|||||
|---|---|---|---|---|---|
| Poll | Obama | Romney | Date | Margin of Error | Sampling Method |
|
Pew Research |
50 |
47 |
4 Nov |
+/-2.2 |
2709 LV |
|
Gallup |
49 |
50 |
4 Nov |
+/-2 |
2700 LV |
|
ABC News/Wash Pos |
50 |
47 |
4 Nov |
+/-2.5 |
2345 LV |
|
CNN/Opinion Research |
49 |
49 |
4 Nov |
+/-3.5 |
963 LV |
|
Pew Research |
50 |
47 |
3 Nov |
+/-2.2 |
2709 LV |
|
ABC News/Wash Post |
49 |
48 |
3 Nov |
+/-2.5 |
2069 LV |
|
ABC News/Wash Post |
49 |
49 |
30 Oct |
+/-3.0 |
1288 LV |
|
ABC News/Wash Post |
49 |
48 |
29 Oct |
+/-3.5 |
1271 LV |
|
ABC News/Wash Post |
49 |
49 |
28 Oct |
+/-3.5 |
1259 LV |
|
Gallup |
46 |
51 |
28 Oct |
+/-2 |
2700 LV |
|
Pew Research |
47 |
47 |
28 Oct |
+/-2.9 |
1495 LV |
|
Gallup |
46 |
50 |
27 Oct |
+/-2 |
2700 LV |
|
ABC News/Wash Post |
48 |
49 |
27 Oct |
+/-3 |
1382 LV |
|
Gallup |
46 |
50 |
27 Oct |
+/-2 |
2700 LV |
|
Reuters/Ipsos |
47 |
46 |
26 Oct |
+/- 2.6 |
1141 LV |
|
ABC News/Wash Post |
47 |
50 |
26 Oct |
+/-3 |
1382 LV |
|
ABC News/Wash Post |
48 |
49 |
25 Oct |
+/-3 |
1382 LV |
|
Gallup |
46 |
51 |
25 Oct |
+/-2 |
2700 LV |
|
ABC News/Wash Post |
48 |
49 |
23 Oct |
+/-3 |
1382 LV |
|
Gallup |
47 |
50 |
23 Oct |
+/-2 |
2700 LV |
|
Reuters/Ipsos |
47 |
44 |
17 Oct |
+/- 3.3 |
1141 LV |
|
Gallup |
46 |
50 |
16 Oct |
+/- 3 |
2723 LV |
|
Reuters/Ipsos |
46 |
43 |
16 Oct |
+/- 2.6 |
1846 LV |
|
Reuters/Ipsos |
47 |
45 |
15 Oct |
+/- 2.6 |
1864 LV |
|
Reuters/Ipsos |
46 |
45 |
14 Oct |
+/- 2.5 |
1793 LV |
|
ABC News/ Wash Post |
49 |
46 |
13 Oct |
+/- 3.5 |
923LV |
|
Gallup |
49 |
46 |
8 Oct |
+/-2 |
3050 RV |
|
Pew Research |
45 |
49 |
7 Oct |
+/-3.4 |
1112 LV |
|
CNN/Opinion Research |
50 |
47 |
30 Sept |
+/-3.5 |
783 LV |
|
ABC News/Wash Post |
49 |
47 |
29 Sept |
+/-4 |
813 LV |
|
Gallup |
50 |
44 |
28 Sept |
+/-2 |
3050 RV |
|
Gallup |
47 |
47 |
19 Sept |
+/-2 |
3050 RV |
|
Pew Research |
51 |
43 |
16 Sept |
+/-2.4 |
2268 LV |
|
CBS News/NY Times |
49 |
46 |
12 Sept |
+/-4 |
1162 LV |
|
Reuters/Ipsos |
48 |
45 |
10 Sept |
+/-3.4 |
873 LV |
|
ABC News/Wash Post |
49 |
48 |
9 Sept |
+/-4.5 |
710 LV |
|
CNN/Opinion Research |
52 |
46 |
9 Sept |
+/-3.5 |
709 LV |
|
Gallup |
49 |
44 |
9 Sep |
+/-2 |
3050 RV |
|
CNN/Opinion Research |
48 |
48 |
3 Sep |
+/-3.5 |
735 LV |
|
Gallup |
47 |
46 |
1 Sept |
+/-2 |
3050 RV |
|
ABC News/Wash Post |
46 |
47 |
25 Aug |
+/-4 |
857 RV |
|
CNN/Opinion Research |
49 |
47 |
23 Aug |
+/-3.5 |
719 LV |
|
Gallup |
45 |
47 |
21 Aug |
+/-2 |
3050 RV |
|
Gallup |
46 |
46 |
11 Aug |
+/-2 |
3050 RV |
|
Gallup |
47 |
45 |
1 Aug |
+/-2 |
3050 RV |
|
Pew Research |
51 |
41 |
26 July |
+/-3.2 |
1956 RV |
|
Gallup |
46 |
46 |
25 July |
+/-2 |
3050 RV |
|
CBS News/NY Times |
46 |
47 |
16 July |
+/-3 |
942 RV |
|
Gallup |
47 |
44 |
11 July |
+/-2 |
3050 RV |
|
Reuters/Ipsos |
49 |
43 |
9 July |
+/-3.4 |
885 RV |
|
Pew Research |
50 |
43 |
9 July |
+/-2.3 |
2373 RV |
|
ABC News/Wash Post |
47 |
47 |
8 July |
+/-4 |
1003 RV |
|
CNN/Opinion Research |
49 |
46 |
1 July |
+/-2.5 |
1390 RV |
|
Gallup |
48 |
43 |
28 Jun |
+/-2 |
3050 RV |
|
Pew Research |
50 |
46 |
17 Jun |
+/-2.9 |
1563 RV |
|
Gallup |
45 |
46 |
14 Jun |
+/-2 |
3050 RV |
|
Reuters/Ipsos |
45 |
44 |
11 Jun |
+/-3.4 |
848 RV |
|
Gallup |
46 |
45 |
8 Jun |
+/-2 |
3050 RV |
|
Pew Research |
49 |
42 |
3 Jun |
+/-2.3 |
2388 RV |
|
CNN/Opinion Research |
49 |
46 |
31 May |
+/-3.5 |
895 RV |
|
Gallup |
47 |
44 |
30 May |
+/-2 |
3050 RV |
|
ABC News/Wash Post |
49 |
46 |
20 May |
+/-4 |
874 RV |
|
Gallup |
45 |
46 |
17 May |
+/-2 |
3050 RV |
|
CBS News/NY Times |
43 |
46 |
13 May |
+/-4 |
562 RV |
|
Gallup |
44 |
47 |
9 May |
+/-2 |
3000 RV |
|
Reuters/Ipsos |
49 |
42 |
7 May |
+/-3.2 |
959 RV |
The data was collated by polling resource website . RV indicates those polled were registered voters. LV indicates a sample of likely voters.
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