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

| Poll_Source | Date_ | Candidate | Support | Consider | Oppose | Unsure |
|---|---|---|---|---|---|---|
| WNBC/Marist Poll | Feb 12–15, 2007 | Hillary Clinton | 25% | 30% | 43% | 2% |
| WNBC/Marist Poll | Feb 12–15, 2007 | Barack Obama | 17% | 42% | 32% | 9% |
| WNBC/Marist Poll | Feb 12–15, 2007 | Al Gore | 12% | 33% | 52% | 3% |
| WNBC/Marist Poll | Feb 12–15, 2007 | John Edwards | 12% | 45% | 35% | 8% |
| WNBC/Marist Poll | Feb 12–15, 2007 | Rudy Giuliani | 16% | 51% | 30% | 3% |
| WNBC/Marist Poll | Feb 12–15, 2007 | John McCain | 14% | 44% | 37% | 5% |
| WNBC/Marist Poll | Feb 12–15, 2007 | Newt Gingrich | 6% | 25% | 64% | 5% |
| WNBC/Marist Poll | Feb 12–15, 2007 | Mitt Romney | 7% | 25% | 44% | 24% |