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PRINCETON, NJ -- Registered voters show a slight preference for Barack Obama (46%) over John McCain (43%) if the presidential election were held today, according to the latest Gallup Poll Daily tracking results.
The three percentage point advantage for Obama matches the average since early June, when Obama clinched the number of delegates needed to head to the Democratic convention as the presumptive presidential nominee. Since then, Obama has never trailed McCain among registered voters, though McCain has tied Obama five times during this span, including Gallup Poll Daily tracking reports for last Friday and Saturday. (To view the complete trend since March 7, 2008, click here.)
The Democratic convention is now just three weeks away, while the Republican convention will begin four weeks from today. The conventions are one of the most anticipated events of the election calendar, in part because each candidate typically receives a "bounce" in support in the polls following their official nomination as the party's presidential candidate. -- Jeff Jones
Survey Methods
For the Gallup Poll Daily tracking survey, Gallup is interviewing no fewer than 1,000 U.S. adults nationwide each day during 2008.
The general-election results are based on combined data from August 1-3, 2008. For results based on this sample of 2,659 registered voters, the maximum margin of sampling error is ±2 percentage points.
Interviews are conducted with respondents on land-line telephones (for respondents with a land-line telephone) and cellular phones (for respondents who are cell-phone only).
In addition to sampling error, question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of public opinion polls.
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