Nationwide opinion polling for the United States presidential election, 2008 Support likelihood Support likelihood

| Poll_Source | Date_ | Candidate | Support | Consider | Oppose | Unsure |
|---|---|---|---|---|---|---|
| Newsweek Poll | Nov 9–10, 2006 | Condoleezza Rice | 24% | 27% | 43% | 2% |
| Newsweek Poll | Nov 9–10, 2006 | Al Gore | 21% | 24% | 53% | 2% |
| Newsweek Poll | Nov 9–10, 2006 | John McCain | 20% | 34% | 32% | 4% |
| Newsweek Poll | Nov 9–10, 2006 | Barack Obama | 20% | 19% | 24% | 3% |
| Newsweek Poll | Nov 9–10, 2006 | John Kerry | 16% | 24% | 55% | 3% |
| Newsweek Poll | Nov 9–10, 2006 | John Edwards | 15% | 28% | 36% | 5% |
| Newsweek Poll | Nov 9–10, 2006 | Newt Gingrich | 10% | 17% | 58% | 3% |
| Newsweek Poll | Nov 9–10, 2006 | Joe Biden | 7% | 17% | 34% | 6% |
| Newsweek Poll | Nov 9–10, 2006 | Mitt Romney | 6% | 13% | 27% | 6% |
| Newsweek Poll | Nov 9–10, 2006 | Sam Brownback | 3% | 7% | 23% | 6% |