A few percentage points of difference in turnout by gender or education can produce very different results, both in election polls and in elections themselves.
The findings are bad news for Harris, who was leading in the September poll with 49% of the vote, compared to Trump's 44%.
Major election polls got it wrong in 2016 and again in 2020. The fault lies with the complexity of the American system and also with certain shortcomings of the polling institutes themselves.
While Harris has a slight lead nationally, there's no clear leader in the seven swing states likely to decide the election.
New polling from NBC News shows a historic gap in support between men and women for the presidential candidates. Democratic strategist Don Calloway and Republican strategist Susan Del Percio discuss the gender gap,
Abortion has emerged as the most important issue in the November election for women under age 30, according to a new survey by KFF published Friday.
A big Trump lead in the state paradoxically adds to evidence of a smaller Electoral College edge for him. And a choice by pollsters may be causing them to miss state shifts.
The Board of Elections is hiring election inspectors and interpreters, and will pay thousands of dollars for a 10-day shift.
In the latest NBC News poll, Vice President Harris lands even with former President Trump. When third party candidates are factored in, she trails by one point. Oorbit Gaming and Entertainment executive chairman and Newsweek Editor-at-large Tom Rogers dives into the reasons why both Harris and Trump should be wary of other contenders.
As the presidential election inches closer, abortion access is steadily becoming a more important issue for American voters, especially among young women. KFF poll findings released Friday
Former President Donald Trump has erased Vice President Kamala Harris' 5-point lead, according to a new poll released on Sunday. The race between Trump, the Republican presidential nominee, and Harris,