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 ...

If you’re one of the approximately 320 million Americans who don’t live in New York City, it might seem like its Democratic mayoral primary has gotten an outsized amount of media coverage. But even I, ...

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 ...

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 ...

All market ratings are adjusted for projected population growth through 2040. Popularity measured by Google Trends. Sources: Zach Miller, Google Trends, The New York Times, CollegeRaptor.com, ...

Layla Houshmand was eight weeks pregnant in the spring of 2021 when she woke up to find her field of vision smeared with a hazy sheen, like Vaseline rubbed on the lens of a camera. She was already ...

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 ...

If you follow the headlines, your confidence in science may have taken a hit lately. Peer review? More like self-review. An investigation in November uncovered a scam in which researchers were ...