| PollTaker |
Polling organization |
| PollDates |
Dates the poll data were collected |
| MidDate |
Midpoint of the polling period |
| Days |
Number of days after August 28th (end of Democratic convention) |
| n |
Sample size for the poll |
| Pop |
A=all, LV=likely voters, RV=registered voters |
| McCain |
Percent supporting John McCain |
| Obama |
Percent supporting Barack Obama |
| Margin |
Obama percent minus McCain percent |
| Charlie |
Indicator for polls after Charlie Gibson interview with VP candidate Sarah Palin (9/11) |
| Meltdown |
Indicator for polls after Lehman Brothers bankruptcy (9/15) |