Largest delegate percentage reflects the largest number of delegate votes won by the former president on a ballot for the presidential nomination, out of the total number of delegate votes at the ...

In the iconic skating film “Ice Castles,” Lexie — the main character who happens to be a top-notch figure skater — takes to the ice in a maroon jumpsuit and attempts a triple jump. It apparently was ...

Longtime readers of FiveThirtyEight are probably familiar with our pollster ratings: letter grades that we assign to pollsters based on their historical accuracy and transparency. Since 2008, we have ...

Sometimes statistical analysis is tricky, and sometimes a finding just jumps off the page. Here’s one example of the latter.

Apportionment, or the process of determining the number of seats each state has in the U.S. House of Representatives, happens like clockwork at this point. Every 10 years, the Census Bureau counts how ...

Since Donald Trump effectively wrapped up the Republican nomination this month, I’ve seen a lot of critical self-assessments from empirically minded journalists — FiveThirtyEight included, twice over ...

But trying to distinguish the effects of only one type of restriction, like voter ID requirements, is challenging because a new election law rarely changes only one voting provision. “The actual ...

FiveThirtyEight is a data journalism organization. Let me explain what we mean by that, and why we think the intersection of data and journalism is so important. If you’re a casual reader of ...

On Monday, I wrote about my three key questions heading into Election Day. I’ll address the first two — about polling error and turnout — at length once results ...

Matt Araiza’s favorite punt of the season was an 81-yard boomer. It wasn’t just the distance that the San Diego State junior enjoyed, but what it did to the punt returner. “It was a moonshot,” Araiza ...

It used to be, if you wanted to see a Poweshiek skipperling butterfly, the thing to do was go out on the prairie and stare into the middle distance, like you were trying to see a sailboat buried in a ...

When the 2022 World Cup made its debut on Sunday, it kicked off one of the most significant in-game uses of technology in sports history. All tournament long, match balls will contain a sensor that ...