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 ...

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 ...

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

The U.S. House of Representatives isn’t the only chamber whose district lines are being redrawn to reflect the 2020 census. State-legislative chambers are being redistricted too — and as we’ve written ...

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, ...

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 ...

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 ...

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 ...

This is the 11th and final article in a series that reviews news coverage of the 2016 general election, explores how Donald Trump won and why his chances were underrated by most of the American media.

The opening of Camden Yards in 1992 ushered in a retro era of MLB ballparks. The downtown Baltimore stadium was a game-changer in design, aesthetics and location. It sparked the greatest boom period ...

Here we are, in the middle of a pandemic, staring out our living room windows like aquarium fish. The question on everybody’s minds: How bad will this really get? Followed quickly by: Seriously, how ...

After a cacophonous two weeks of political news, a new sound has begun to emerge from Washington: the word “impeachment.” Following the news that President Trump may have tried to bully FBI director ...