Who Refs The NBA’s Referees? The league uses an advanced analytical system to monitor and grade its officials.

For two months we’ve known that Brooklyn Borough President Eric Adams won New York City’s Democratic primary for mayor with 31 percent of first-place votes (he … ...

Title IX Title IX Gave Women More Chances To Coach In College. But It Gave Even More Opportunities To Men.

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 ...

Let’s give a big round of applause to the pollsters. Measuring public opinion is, in many ways, harder than ever — and yet, the polling industry just had one of… ...

In the aftermath of the 2020 election, Republican lawmakers have pushed new voting restrictions in nearly every state. From making it harder to cast ballots ear… ...

The Big Lie’s Long Shadow How a network of conspiracy peddlers has made the GOP thirsty for major electoral change.

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. Ever… ...

Redistricting changed the electoral calculus in several battleground states: Some legislative chambers got more competitive, while other previously contested chambers got sewn up for one party.

When Rep. Kurt Schrader, a seven-term incumbent endorsed by President Biden, lost his primary in May, he joined a small but slowly growing list of congressional… ...

Welcome to the latest installment of what we’re hoping to make a biennial practice: an after-action review of FiveThirtyEight’s election forecasts, which in thi… ...

The 20 Republicans who opposed Kevin McCarthy’s bid for speaker of the House had something in common before Tuesday’s drama: They are very conservative and scor… ...