Republican vice presidential candidate and Ohio Sen. J.D. Vance said on Wednesday night that journalists have informed him ...

Here at 538, we cover polls year-round, so we'd like to share with you some tips we've learned over the years on how to ...

Presidential debates are one of those things. Last week's debate between Vice President Kamala Harris and former President ...

How can two polls say two different things? And can you even trust polls, anyway? Here at 538, we cover polls year-round, so we'd like to share with you some tips we've learned over the years on ...

To create them, 538 collect the data from individual polls carried out both nationally and in battleground states by lots of polling companies. As part of their quality control, 538 only include ...

How can two polls say two different things? And can you even trust polls, anyway? Here at 538, we cover polls year-round, so we'd like to share with you some tips we've learned over the years on how ...

538's averages of national and state polls agree that Harris has made marginal gains since the debate. As of 9 a.m. Eastern on Tuesday, Sept. 17, Harris leads Trump by an average of 2.9 points in ...