Hold your breath and make sure you vote, because the result is likely to be a squeaker.

The chart on the left includes 95% confidence interval bars as a way of showing readers that survey estimates for some subgroups aren’t as precise as they may initially seem — and that the true value ...

Weeks ago, many Democrats were losing confidence that their party’s presumptive nominee, President Joe Biden, would be able to defeat former President Donald Trump. But Vice President Kamala ...

Harris, whose campaign says she has secured the Democratic nomination, led Trump 44% to 42% in the national poll, a difference within the 3-percentage-point margin of error.