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 ...

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 ...

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 ...

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

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 ...

Vote margin calculated based on the two-party vote, which uses just the Democratic and Republican vote totals. Together, the share of the statewide vote and the benchmark margins produce a 50-50 tie, ...

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, ...

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 ...

Around 100 million Americans will tune in this Sunday to watch Super Bowl LIV. The big game hasn’t just become the nation’s most popular sporting event; it’s also become America’s most important and ...

There are lots of people who try to predict the Oscars, and no strategy is foolproof — the Academy of Motion Picture Arts and Sciences is made up of secret voters who aren’t polled and who are ...

With the 2018 midterm elections approaching, we’ve updated FiveThirtyEight’s pollster ratings for the first time since the 2016 presidential primaries. Based on how the media portrayed the polls after ...

On Friday at noon, a Category 5 political cyclone that few journalists saw coming will deposit Donald Trump atop the Capitol Building, where he’ll be sworn in as the 45th president of the United ...